CN113652577A - AL-Ca alloy and manufacturing method thereof - Google Patents
AL-Ca alloy and manufacturing method thereof Download PDFInfo
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- CN113652577A CN113652577A CN202110764246.6A CN202110764246A CN113652577A CN 113652577 A CN113652577 A CN 113652577A CN 202110764246 A CN202110764246 A CN 202110764246A CN 113652577 A CN113652577 A CN 113652577A
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- 229910000882 Ca alloy Inorganic materials 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims description 28
- 230000008018 melting Effects 0.000 claims description 28
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 15
- 238000004512 die casting Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 13
- 238000000137 annealing Methods 0.000 claims description 12
- 229910052786 argon Inorganic materials 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- RGKMZNDDOBAZGW-UHFFFAOYSA-N aluminum calcium Chemical compound [Al].[Ca] RGKMZNDDOBAZGW-UHFFFAOYSA-N 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 229910001029 Hf alloy Inorganic materials 0.000 claims description 4
- RVYOQIHOUTVEKU-UHFFFAOYSA-N aluminum hafnium Chemical compound [Al].[Hf] RVYOQIHOUTVEKU-UHFFFAOYSA-N 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 2
- 238000010791 quenching Methods 0.000 abstract description 4
- 230000000171 quenching effect Effects 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 abstract description 3
- 229910000734 martensite Inorganic materials 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
- F27B14/061—Induction furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details specially adapted for crucible or pot furnaces
- F27B14/10—Crucibles
- F27B14/12—Covers therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The invention discloses an AL-Ca alloy and a manufacturing method thereof, relating to the technical field of alloy preparation, wherein the AL-Ca alloy comprises the following raw materials in percentage by weight: 2.15 to 2.65 percent of Ca2, 1.55 to 2.45 percent of Mg1, 0.8 to 1.2 percent of Mn0, 0.4 to 0.6 percent of Fe0.3 to 0.5 percent of Si, 0.3 to 0.5 percent of Zr0, impurities and the balance of Al; the content of single impurities is less than 0.05 percent, and the total content of impurities is not less than 0.15 percent; according to the invention, the microstructure of the matrix which mainly comprises martensite and takes finely dispersed carbide as a reinforcing phase is obtained through the AL-Ca alloy, the tensile strength is more than Mpa, meanwhile, the manufacturing method does not need quenching treatment, the treatment difficulty is reduced, the practicability of the AL-Ca alloy is improved, meanwhile, the cover plate is conveniently sealed, the gas leakage of the furnace body is prevented, and the working efficiency of the furnace body is ensured.
Description
Technical Field
The invention relates to the technical field of alloy preparation, in particular to an AL-Ca alloy and a manufacturing method thereof.
Background
Aluminum is a metal element, the symbol of the element is Al, and the aluminum is a silver white light metal. Is malleable. The commodity is usually made into rod, sheet, foil, powder, strip and thread. An oxide film that prevents corrosion of the metal can be formed in humid air. The aluminum powder is heated in the air to burn violently and emit dazzling white flame. Is easy to dissolve in dilute sulfuric acid, nitric acid, hydrochloric acid, sodium hydroxide and potassium hydroxide solution, and is difficult to dissolve in water. The relative density was 2.70. Melting point 660 ℃. Boiling point 2327 ℃.
At present, various raw materials are added into molten aluminum to form alloy materials in order to improve the performance of aluminum, the performance of the AL-Ca alloy is relatively convex, but the existing AL-Ca alloy processing needs quenching treatment, so that the processing difficulty is increased, and meanwhile, the tensile strength of the AL-Ca alloy is low, so that certain limitation exists during use.
Therefore, an AL — Ca alloy and a method for manufacturing the same have been proposed to solve the above problems.
Disclosure of Invention
The present invention is directed to an AL — Ca alloy and a method for manufacturing the same, which solve the problems of the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme: an AL-Ca alloy comprises the following raw materials in percentage by weight: 2.15 to 2.65 percent of Ca2, 1.55 to 2.45 percent of Mg1, 0.8 to 1.2 percent of Mn0, 0.4 to 0.6 percent of Fe0.3 to 0.5 percent of Si, 0.3 to 0.5 percent of Zr0, impurities and the balance of Al;
the content of single impurity is less than 0.05%, and the total content of impurity is not less than 0.15%.
A method for manufacturing an AL-Ca alloy comprises the following specific steps:
s1, placing Al and Ca in a crucible of a melting device, placing other raw materials in the crucible, and sealing the melting device;
s2, adding argon into the melting device, and isolating the melting device;
s3, heating the crucible to the temperature of 720-750 ℃, reacting for 90-120min, then heating to the temperature of 800 ℃ for reacting for 15min, and generating the aluminum-calcium alloy liquid after the melting is finished;
s4, pouring the aluminum-calcium alloy liquid into a die casting mold, wherein the casting temperature is 800 ℃, the casting speed is 90-100mm/min, annealing treatment is carried out after casting, the annealing temperature is 450-460 ℃, the annealing heat preservation time is 3-5h, then the temperature is reduced to 350-370 ℃, the heat preservation time is 4-6h, and the aluminum-hafnium alloy ingot is prepared after normal temperature cooling.
A device for AL-Ca alloy is a melting device and comprises a gas inlet pipe fixedly connected with a straight hole of a furnace body and used for adding argon;
the heating furnace is characterized in that an installation cylinder is fixedly installed at the inner bottom of the furnace body, an induction coil for heating is fixedly installed on the inner wall of the installation cylinder, two ends of the induction coil are fixedly connected with connecting cables, and the connecting cables are connected with an external power cabinet;
the top straight hole of the furnace body is fixedly connected with an air outlet pipe, and the air outlet pipe is connected with the waste gas collecting box;
the middle end of the top of the furnace body is provided with a groove, the groove is connected with a containing structure, the containing structure comprises a cover plate, a first electric push rod, lifting rings, straight plates, a first rotating shaft, a first toothed plate, a toothed ring and a crucible, the top of the cover plate is fixedly provided with the lifting rings, the bottoms of the lifting rings are symmetrically and fixedly connected with the straight plates, the bottoms of the straight plates are rotatably connected with the first rotating shaft through fixedly connected bearings, the outer ends of a group of the first rotating shafts are fixedly connected with the toothed ring, the top of the cover plate is fixedly provided with the first electric push rod, the output end of the first electric push rod penetrates through the cover plate and then is fixedly connected with the first toothed plate, the first toothed plate is meshed with the toothed ring, the crucible is fixedly arranged between the first rotating shafts, and the crucible is arranged in an installation cylinder after the cover plate is installed;
the other group of the first rotating shafts are connected with an anti-shaking structure used for braking the first rotating shafts, the anti-shaking structure comprises circular plates, springs, sliding rods, transverse plates, a sanding plate, mounting rings and convex balls, the springs are fixedly connected to the tops of the transverse parts of the transverse plates, the circular plates are fixedly connected to the tops of the springs, the sliding rods are fixedly connected to the bottoms of the circular plates, the sanding plate is fixedly connected to the bottom of each sliding rod after penetrating through the transverse parts of the transverse plates, the mounting rings are fixedly connected to the outer walls of the first rotating shafts, the convex balls are uniformly and fixedly connected to the outer walls of the mounting rings along the circumferential direction, and the bottoms of the sanding plates are in contact with the convex balls in a bonding mode;
the top of the furnace body is connected with a sealing structure for sealing the cover plate, the sealing structure comprises an installation block, a second electric push rod, a second toothed plate, a pressing block, a rotating circular plate, an arc-shaped groove, a toothed plate group, a limiting sliding groove, a limiting guide rail, a push rod and a second rotating rod, the side wall of the installation block is fixedly provided with the second electric push rod, the output end of the second electric push rod is fixedly connected with the second toothed plate, the top of the furnace body is uniformly and fixedly connected with the second rotating rod and the limiting guide rail along the circumferential direction, the second rotating rod is rotatably connected with the pressing block, the outer end of the pressing block is fixedly connected with the push rod, the bottom of the rotating circular plate is provided with the limiting sliding groove, the rotating circular plate is attached and slidably connected with the limiting guide rail through the limiting sliding groove, the rotating circular plate is uniformly provided with the arc-shaped groove along the circumferential direction, and the installation block is attached and slidably connected with the arc-shaped groove, the lateral wall fixedly connected with tooth piece group of rotating the plectane, second pinion rack and tooth piece group meshing are connected.
Furthermore, the air inlet pipe is connected with an argon source through an air pump.
Furthermore, the output end of the first electric push rod drives the first toothed plate to move, the first toothed plate drives the gear ring to rotate, the gear ring drives the first rotating shaft to rotate, the first rotating shaft drives the crucible to rotate, and the crucible is cast into the die casting after rotating.
Further, the cover plate is in combined contact with the groove by selecting a convex shape.
Furthermore, the transverse plate is fixedly arranged on the side wall of the straight plate.
Furthermore, when the crucible moves, the spring restoring force drives the circular plate and the sliding rod to move downwards, and the sliding rod drives the frosting plate to move downwards to be in contact with the mounting ring to brake the first rotating shaft.
Furthermore, the semi-limiting sliding groove is in a dovetail shape, a T shape or an inverted L shape.
Furthermore, when the push rod is in contact with the rear end of the arc-shaped groove, the pressing block rotates to the top of the cover plate to press the cover plate, the cover plate is connected with the groove in a sealing mode, and when the push rod is in contact with the front end of the arc-shaped groove, the pressing block rotates to the position below the rotating circular plate.
The invention has the beneficial effects that:
according to the invention, the cover plate is arranged in front of the groove, the second electric push rod of the sealing structure drives the second toothed plate to move backwards, the second toothed plate drives the rotating circular plate to rotate along the limiting guide rail through the toothed block group, the limiting guide rail pushes the push rod to rotate to the front end of the arc-shaped groove through the matching of the arc-shaped groove, the press block rotates to the position below the rotating circular plate when the push rod is contacted with the front end of the arc-shaped groove, then the cover plate is arranged in the groove, the second electric push rod of the sealing structure drives the second toothed plate to move forwards, the second toothed plate drives the rotating circular plate to rotate along the limiting guide rail through the matching of the arc-shaped groove, the press block rotates to the top of the cover plate to press the cover plate when the push rod is contacted with the rear end of the arc-shaped groove, the sealing connection of the cover plate and the groove is realized, the sealing treatment of the cover plate is convenient, the gas leakage of the furnace body is prevented, and the working efficiency of the furnace body is ensured;
according to the invention, after melting is finished, the external hoisting structure hoists the cover plate through the hoisting ring, and then lifts the crucible upwards through the straight plate and the first rotating shaft, when the crucible is moved to the pouring die casting position, the first electric push rod drives the first toothed plate to move downwards, the first toothed plate drives the gear ring to rotate, the gear ring drives the first rotating shaft to rotate, the first rotating shaft drives the crucible to rotate along the first rotating shaft, liquid in the crucible is poured into the die casting, and rapid blanking is convenient to carry out;
according to the invention, when the crucible moves, the spring restoring force of the anti-shaking structure drives the circular plate and the slide rod to move downwards, and the slide rod drives the frosting plate to move downwards to be in contact with the mounting ring so as to realize braking on the first rotating shaft, so that the stable movement of the crucible is ensured;
according to the invention, the microstructure of the Al-Ca alloy with the matrix mainly comprising martensite and the carbide which is finely and dispersedly distributed as the reinforcing phase is obtained, the tensile strength is more than 290Mpa, and meanwhile, the manufacturing method does not need quenching treatment, so that the treatment difficulty is reduced, and the practicability of the AL-Ca alloy is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method of manufacturing the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a rear view of the structure of the present invention;
FIG. 4 is a structural cross-sectional view of the present invention;
FIG. 5 is a bottom view in cross-section of the structure of the present invention;
FIG. 6 is a cross-sectional top view of the structure of the present invention;
FIG. 7 is a sectional view of a rotating circular plate and its coupling structure according to the present invention;
FIG. 8 is an enlarged view of the structure at A of FIG. 2 according to the present invention;
FIG. 9 is an enlarged view of the structure at B of FIG. 5 according to the present invention;
FIG. 10 is an enlarged view of the structure of FIG. 6 at C according to the present invention;
FIG. 11 is a schematic view of a ring gear and its connection structure of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. the furnace body 2, the gas inlet pipe 3, the connecting cable 4, the gas outlet pipe 5, the groove 6, the containing structure 601, the cover plate 602, the first electric push rod 603, the lifting ring 604, the straight plate 605, the first rotating shaft 606, the first toothed plate 607, the gear ring 608, the crucible 7, the cover sealing structure 701, the mounting block 702, the second electric push rod 703, the second toothed plate 704, the press block 705, the rotating circular plate 706, the arc groove 707, the toothed block group 708, the limiting sliding groove 709, the limiting guide rail 710, the push rod 711, the second rotating rod 8, the anti-sway structure 801, the circular plate 802, the spring 803, the sliding rod 804, the transverse plate 805, the sanding plate 806, the mounting ring, the convex ball 9, the induction coil 807 and the mounting cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example 1
As shown in figure 1, the Al-Ca alloy comprises the following raw materials in percentage by weight: 2.65% of Ca2, 1.55% of Mg1, 1.2% of Mn1, 0.4% of Fe0.5%, 0.3% of Si0, impurities and the balance of Al;
the content of single impurity is less than 0.05%, and the total content of impurity is not less than 0.15%.
A method for manufacturing an AL-Ca alloy comprises the following specific steps:
s1, placing Al and Ca in a crucible of a melting device, placing other raw materials in the crucible, and sealing the melting device;
s2, adding argon into the melting device, and isolating the melting device;
s3, heating the crucible to 720 ℃, reacting for 120min, heating to 800 ℃ again, reacting for 15min, and generating aluminum-calcium alloy liquid after melting;
s4, pouring the aluminum-calcium alloy liquid into a die casting, wherein the casting temperature is 800 ℃, the casting speed is 100mm/min, annealing treatment is carried out after casting, the annealing temperature is 450 ℃, the annealing heat preservation time is 3h, then the temperature is reduced to 370 ℃, the heat preservation time is 6h, and the aluminum-hafnium alloy ingot is prepared after cooling at normal temperature.
Example 2
Example 2 is a further modification to example 1.
As shown in figure 1, the Al-Ca alloy comprises the following raw materials in percentage by weight: 2.15% of Ca2, 2.45% of Mg2, 0.8% of Mn0, 0.4% of Fe0.5%, 0.3% of Si0, impurities and the balance of Al;
the content of single impurity is less than 0.05%, and the total content of impurity is not less than 0.15%.
A method for manufacturing an AL-Ca alloy comprises the following specific steps:
s1, placing Al and Ca in a crucible of a melting device, placing other raw materials in the crucible, and sealing the melting device;
s2, adding argon into the melting device, and isolating the melting device;
s3, heating the crucible to 750 ℃, reacting for 90min, heating to 800 ℃ again, reacting for 15min, and generating aluminum-calcium alloy liquid after melting;
s4, pouring the aluminum-calcium alloy liquid into a die casting mold, wherein the casting temperature is 800 ℃, the casting speed is 90mm/min, annealing treatment is carried out after casting, the annealing temperature is 460 ℃, the annealing heat preservation time is 5h, then the temperature is reduced to 350 ℃, the heat preservation time is 4h, and the aluminum-hafnium alloy ingot is prepared after cooling at normal temperature;
the microstructure of the matrix obtained by the AL-Ca alloy, which takes martensite as the main and fine and dispersed carbide as the reinforcing phase, has the tensile strength of more than 290Mpa, and meanwhile, the manufacturing method does not need quenching treatment, thereby reducing the treatment difficulty and improving the practicability of the AL-Ca alloy.
Example 3
Example 3 is a further modification to example 1.
As shown in fig. 2, 3, 4, 5, 6 and 11, the device for the AL-Ca alloy is a melting device, and comprises a furnace body 1, wherein a straight hole is fixedly connected with an air inlet pipe 2 for adding argon, and the air inlet pipe 2 is connected with an argon source through an air pump;
the inner bottom of the furnace body 1 is fixedly provided with a mounting cylinder 10, the inner wall of the mounting cylinder 10 is fixedly provided with an induction coil 9 for heating, two ends of the induction coil 9 are fixedly connected with connecting cables 3, and the connecting cables 3 are connected with an external power cabinet;
an air outlet pipe 4 is fixedly connected with a straight hole at the top of the furnace body 1, and the air outlet pipe 4 is connected with a waste gas collecting box;
the middle end of the top of the furnace body 1 is provided with a groove 5, the groove 5 is connected with a containing structure 6, the containing structure 6 comprises a cover plate 601, a first electric push rod 602, a lifting ring 603, straight plates 604, a first rotating shaft 605, a first toothed plate 606, a gear ring 607 and a crucible 608, the top of the cover plate 601 is fixedly provided with the lifting ring 603, the bottom of the lifting ring 603 is symmetrically and fixedly connected with the straight plates 604, the bottom of the straight plates 604 is rotatably connected with the first rotating shaft 605 through fixedly connected bearings, the outer ends of a group of the first rotating shafts 605 are fixedly connected with the gear ring 607, the top of the cover plate 601 is fixedly provided with the first electric push rod 602, the output end of the first electric push rod 602 penetrates through the cover plate 601 and is fixedly connected with the first toothed plate 606, the first toothed plate 606 is meshed with the gear ring 607, the crucible 608 is fixedly arranged between the first rotating shafts 605, the crucible 608 is arranged in the mounting cylinder 10 after the cover plate 601 is mounted, the first electric push rod 602 drives the first toothed plate 606 to move, the first toothed plate 606 drives the gear ring 607 to rotate, the gear ring 607 drives the first rotating shaft 605 to rotate, the first rotating shaft 605 drives the crucible 608 to rotate, the crucible 608 rotates and then is poured into a die casting, 5 is convex, the cover plate 601 is in combined contact with the groove 5, after melting is finished, an external hoisting structure hoists the cover plate 601 through the lifting ring 603, the crucible 608 is lifted upwards through the straight plate 604 and the first rotating shaft 605, when the crucible 608 is moved to a pouring die casting position, the first electric push rod 602 drives the first toothed plate 606 to move downwards, the first toothed plate 606 drives the gear ring 607 to rotate, the gear ring 607 drives the first rotating shaft 605 to rotate, the first rotating shaft 605 drives the crucible 608 to rotate along the first rotating shaft 605, liquid in the crucible 608 is poured into the die casting, and rapid blanking is facilitated;
the other group of first rotating shafts 605 is connected with an anti-shaking structure 8 for braking the first rotating shafts 605, the anti-shaking structure 8 comprises a circular plate 801, a spring 802, a sliding rod 803, a horizontal plate 804, a frosted plate 805, a mounting ring 806 and convex balls 807, the top of the horizontal part of the horizontal plate 804 is fixedly connected with the spring 802, the top of the spring 802 is fixedly connected with the circular plate 801, the bottom of the circular plate 801 is fixedly connected with the sliding rod 803, the bottom of the sliding rod 803 penetrates through the horizontal part of the horizontal plate 804 and then is fixedly connected with the frosted plate 805, the outer wall of the first rotating shaft 605 is fixedly connected with the mounting ring 806, the convex balls 807 are uniformly and fixedly connected with the outer wall of the mounting ring 806 along the circumferential direction, the bottom of the frosted plate 805 is in contact with the convex balls, the horizontal plate 804 is fixedly mounted on the side wall of the straight plate 604, the circular plate 801 and the sliding rod 803 are driven by the restoring force of the spring 802 to move downwards when the crucible 608 moves, the sliding rod 803 drives the frosted plate 805 to move downwards to contact with the mounting ring 806 to brake the first rotating shafts 605, when the crucible 608 moves, the restoring force of the spring 802 of the anti-shaking structure 8 drives the circular plate 801 and the sliding rod 803 to move downwards, and the sliding rod 803 drives the frosted plate 805 to move downwards to contact with the mounting ring 806 to brake the first rotating shaft 605, so that the crucible 608 is ensured to move stably.
Example 4
Example 4 is a further modification to example 3.
As shown in fig. 2, 3, 4, 5, 7, 8, 9 and 10, the top of the furnace body 1 is connected with a sealing cover structure 7 for sealing the cover plate 601, the sealing cover structure 7 includes an installation block 701, a second electric push rod 702, a second toothed plate 703, a pressing block 704, a rotating circular plate 705, an arc-shaped groove 706, a toothed block group 707, a limiting sliding groove 708, a limiting guide rail 709, a push rod 710 and a second rotating rod 711, the side wall of the installation block 701 is fixedly installed with the second electric push rod 702, the output end of the second electric push rod 702 is fixedly connected with the second toothed plate 703, the top of the furnace body 1 is uniformly and fixedly connected with the second rotating rod 711 and the limiting guide rail 709 along the circumferential direction, the second rotating rod 711 is rotatably connected with the pressing block 704, the outer end of the pressing block 704 is fixedly connected with the push rod 710, the bottom of the rotating circular plate 705 is provided with the limiting sliding groove 708, the rotating circular plate 705 is attached to the limiting guide rail 709 through the limiting sliding groove 708, an arc-shaped groove 706 is uniformly formed in a rotating circular plate 705 along the circumferential direction, an installation block 701 is attached to the arc-shaped groove 706 in a sliding connection mode, a tooth block group 707 is fixedly connected to the side wall of the rotating circular plate 705, a second tooth plate 703 is in meshed connection with the tooth block group 707, a dovetail shape, a T shape or an inverted L shape is selected as a semi-limiting sliding groove 708, when a push rod 710 is in contact with the rear end of the arc-shaped groove 706, the press block 704 rotates to the top of the cover plate 601 to press the cover plate 601, sealing connection between the cover plate 601 and a groove 5 is achieved, when the push rod 710 is in contact with the front end of the arc-shaped groove 706, the press block 704 rotates to the position below the rotating circular plate 705, the cover plate 601 is installed in front of the groove 5, a second electric push rod 702 of a cover structure 7 drives the second tooth plate 703 to move backwards, the second tooth plate 703 drives the rotating circular plate 705 to rotate along a limiting guide rail 709 through the tooth block group 707, the limiting guide rail 709 drives the push rod 710 to rotate to the front end of the arc-shaped groove 706 in a matching mode, briquetting 704 rotates to the below of rotating circular plate 705 when catch bar 710 contacts with the front end of arc groove 706, install apron 601 in recess 5 again, second electric putter 702 of closing cap structure 7 drives second toothed plate 703 forward motion, second toothed plate 703 drives through toothed plate group 707 and rotates circular plate 705 along spacing guide 709 and rotate, spacing guide 709 pushes through arc groove 706 cooperation, briquetting 704 rotates when catch bar 710 contacts with the rear end of arc groove 706 and pushes down apron 601 to the top of apron 601, realize apron 601 and recess 5 sealing connection, conveniently seal the processing to apron 601, prevent that furnace body 1 from leaking gas, the work efficiency of furnace body 1 has been guaranteed.
When the crucible cover is used, raw materials are added into the crucible 608, the cover plate 601 is installed in front of the groove 5, the second electric push rod 702 of the cover sealing structure 7 drives the second toothed plate 703 to move backwards, the second toothed plate 703 drives the rotating circular plate 705 to rotate along the limiting guide rail 709 through the toothed block group 707, the limiting guide rail 709 drives the push rod 710 to rotate to the front end of the arc-shaped groove 706 through the arc-shaped groove 706 in a matching manner, the press block 704 rotates to the position below the rotating circular plate 705 when the push rod 710 contacts with the front end of the arc-shaped groove 706, the cover plate 601 is installed in the groove 5, the second electric push rod 702 of the cover sealing structure 7 drives the second toothed plate 703 to move forwards, the second toothed plate 703 drives the rotating circular plate 705 to rotate along the limiting guide rail 709 through the toothed block group 707, the limiting guide rail 709 drives the arc-shaped groove 706 in a matching manner, the press block 704 rotates to the top of the cover plate 601 to press the cover plate 601 when the push rod 710 contacts with the rear end of the arc-shaped groove 706, the cover plate 601 is connected with the groove 5 in a sealing manner, so that the cover plate 601 is conveniently sealed, the air leakage of the furnace body 1 is prevented, and the working efficiency of the furnace body 1 is ensured; the gas inlet pipe 2 injects argon gas into the furnace body 1, air and the argon gas are discharged from the gas outlet pipe 4, then the connecting cable 3 is used for electrifying the induction coil 9, heating of the crucible 608 is achieved, melting treatment is carried out on materials, an external hoisting structure hoists the cover plate 601 through the lifting ring 603 after melting is finished, the crucible 608 is lifted upwards through the straight plate 604 and the first rotating shaft 605, when the crucible 608 is moved to a pouring die casting position, the first electric push rod 602 drives the first toothed plate 606 to move downwards, the first toothed plate 606 drives the gear ring 607 to rotate, the gear ring 607 drives the first rotating shaft 605 to rotate, the first rotating shaft 605 drives the crucible 608 to rotate along the first rotating shaft 605, liquid in the crucible 608 is poured into a die casting, and rapid blanking is convenient to carry out; when the crucible 608 moves, the restoring force of the spring 802 of the anti-shaking structure 8 drives the circular plate 801 and the sliding rod 803 to move downwards, and the sliding rod 803 drives the frosted plate 805 to move downwards to contact with the mounting ring 806 to brake the first rotating shaft 605, so that the crucible 608 is ensured to move stably.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. An AL-Ca alloy characterized by: the Al-Ca alloy comprises the following raw materials in percentage by weight: 2.15 to 2.65 percent of Ca2, 1.55 to 2.45 percent of Mg1, 0.8 to 1.2 percent of Mn0, 0.4 to 0.6 percent of Fe0.3 to 0.5 percent of Si, 0.3 to 0.5 percent of Zr0, impurities and the balance of Al;
the content of single impurity is less than 0.05%, and the total content of impurity is not less than 0.15%.
2. A method of manufacturing an AL-Ca alloy according to claim 1, characterized in that: the method comprises the following specific steps:
s1, placing Al and Ca in a crucible of a melting device, placing other raw materials in the crucible, and sealing the melting device;
s2, adding argon into the melting device, and isolating the melting device;
s3, heating the crucible to the temperature of 720-750 ℃, reacting for 90-120min, then heating to the temperature of 800 ℃ for reacting for 15min, and generating the aluminum-calcium alloy liquid after the melting is finished;
s4, pouring the aluminum-calcium alloy liquid into a die casting mold, wherein the casting temperature is 800 ℃, the casting speed is 90-100mm/min, annealing treatment is carried out after casting, the annealing temperature is 450-460 ℃, the annealing heat preservation time is 3-5h, then the temperature is reduced to 350-370 ℃, the heat preservation time is 4-6h, and the aluminum-hafnium alloy ingot is prepared after normal temperature cooling.
3. An AL-Ca alloy device according to claim 1, wherein: the device is a melting device and comprises a furnace body (1), wherein a straight hole of the furnace body is fixedly connected with an air inlet pipe (2) for adding argon;
an installation cylinder (10) is fixedly installed at the inner bottom of the furnace body (1), an induction coil (9) for heating is fixedly installed on the inner wall of the installation cylinder (10), two ends of the induction coil (9) are fixedly connected with connecting cables (3), and the connecting cables (3) are connected with an external power cabinet;
an air outlet pipe (4) is fixedly connected with a straight hole at the top of the furnace body (1), and the air outlet pipe (4) is connected with a waste gas collecting box;
the furnace body is characterized in that a groove (5) is formed in the middle end of the top of the furnace body (1), the groove (5) is connected with a containing structure (6), the containing structure (6) comprises a cover plate (601), a first electric push rod (602), a lifting ring (603), a straight plate (604), a first rotating shaft (605), a first toothed plate (606), a toothed ring (607) and a crucible (608), the lifting ring (603) is fixedly mounted at the top of the cover plate (601), the straight plate (604) is symmetrically and fixedly connected to the bottom of the lifting ring (603), the first rotating shaft (605) is rotatably connected to the bottom of the straight plate (604) through a fixedly connected bearing, the toothed ring (607) is fixedly connected to the outer end of one group of the first rotating shafts (605), the first electric push rod (602) is fixedly mounted at the top of the cover plate (601), and a first toothed plate (606) is fixedly connected to the output end of the first electric push rod (602) after penetrating through the cover plate (601), the first toothed plate (606) is meshed with the gear ring (607), a crucible (608) is fixedly installed between the first rotating shafts (605), and the crucible (608) is installed in the installation cylinder (10) after the cover plate (601) is installed;
the first rotating shaft (605) of the other group is connected with an anti-shaking structure (8) for braking the first rotating shaft (605), the anti-shaking structure (8) comprises a circular plate (801), a spring (802), a sliding rod (803), a transverse plate (804), a frosted plate (805), a mounting ring (806) and a convex ball (807), the top of the transverse part of the transverse plate (804) is fixedly connected with a spring (802), the top of the spring (802) is fixedly connected with a circular plate (801), the bottom of the circular plate (801) is fixedly connected with a sliding rod (803), the bottom of the slide bar (803) penetrates through the transverse part of the transverse plate (804) and then is fixedly connected with a sanding plate (805), the outer wall of the first rotating shaft (605) is fixedly connected with a mounting ring (806), convex balls (807) are uniformly and fixedly connected to the outer wall of the mounting ring (806) along the circumferential direction, and the bottom of the sanding plate (805) is in contact with the convex balls (807) in an attaching mode;
the top of the furnace body (1) is connected with a sealing cover structure (7) for sealing the cover plate (601), the sealing cover structure (7) comprises an installation block (701), a second electric push rod (702), a second toothed plate (703), a pressing block (704), a rotating circular plate (705), an arc-shaped groove (706), a toothed block group (707), a limiting sliding groove (708), a limiting guide rail (709), a push rod (710) and a second rotating rod (711), the side wall of the installation block (701) is fixedly provided with the second electric push rod (702), the output end of the second electric push rod (702) is fixedly connected with the second toothed plate (703), the top of the furnace body (1) is uniformly and fixedly connected with the second rotating rod (711) and the limiting guide rail (709) along the circumferential direction, the second rotating rod (711) is rotatably connected with the pressing block (704), the outer end of the pressing block (704) is fixedly connected with the push rod (710), spacing spout (708) have been seted up to the bottom of rotating plectane (705), rotate plectane (705) and laminating sliding connection with spacing guide rail (709) through spacing spout (708), arc wall (706) have evenly been seted up along the circumferencial direction to rotating plectane (705), installation piece (701) and arc wall (706) laminating sliding connection, the lateral wall fixedly connected with tooth piece group (707) of rotating plectane (705), second pinion rack (703) are connected with tooth piece group (707) meshing.
4. An AL-Ca alloy apparatus according to claim 3, wherein: the air inlet pipe (2) is connected with an argon source through an air pump.
5. An AL-Ca alloy apparatus according to claim 4, wherein: the output of first electric putter (602) drives first pinion rack (606) and removes, first pinion rack (606) drive ring gear (607) and rotate, ring gear (607) drive first axis of rotation (605) and rotate, first axis of rotation (605) drive crucible (608) and rotate, pour into the die casting after crucible (608) rotate.
6. An AL-Ca alloy apparatus according to claim 5, wherein: the 5 is convex, and the cover plate (601) is in combined contact with the groove (5).
7. An AL-Ca alloy apparatus according to claim 3, wherein: the transverse plate (804) is fixedly arranged on the side wall of the straight plate (604).
8. An AL-Ca alloy apparatus according to claim 7, wherein: when the crucible (608) moves, the restoring force of the spring (802) drives the circular plate (801) and the sliding rod (803) to move downwards, and the sliding rod (803) drives the frosted plate (805) to move downwards to be in contact with the mounting ring (806) so as to brake the first rotating shaft (605).
9. An AL-Ca alloy apparatus according to claim 8, wherein: the semi-limiting sliding groove (708) is in a dovetail shape, a T shape or an inverted L shape.
10. An AL-Ca alloy apparatus according to claim 9, wherein: when the push rod (710) is in contact with the rear end of the arc-shaped groove (706), the pressing block (704) rotates to the top of the cover plate (601) to press the cover plate (601), the cover plate (601) is hermetically connected with the groove (5), and when the push rod (710) is in contact with the front end of the arc-shaped groove (706), the pressing block (704) rotates to the position below the rotating circular plate (705).
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2478132C1 (en) * | 2012-01-23 | 2013-03-27 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | High-strength alloy based on aluminium with calcium addition |
| CN104087720A (en) * | 2014-07-16 | 2014-10-08 | 谢廷声 | Aluminum base alloy for steelmaking and preparation method thereof |
| KR101591645B1 (en) * | 2014-11-27 | 2016-02-11 | 포스코강판 주식회사 | Al-Si-Ti-Mg ALLOY INGOT AND METHOD FOR MANUFACTURING THE SAME |
| CN108384995A (en) * | 2018-03-16 | 2018-08-10 | 广州宇智科技有限公司 | Die casting contains Ca and Mg aluminium alloys and its processing technology with high-damping |
| CN110440590A (en) * | 2019-08-08 | 2019-11-12 | 黄玉梅 | A kind of metal casting melting plant contour based on liquid level |
| CN111121457A (en) * | 2019-12-25 | 2020-05-08 | 广东凤铝铝业有限公司 | Aluminum smelting device and heat treatment method thereof |
| CN112779445A (en) * | 2020-12-25 | 2021-05-11 | 国家高速列车青岛技术创新中心 | Heat-resistant cast aluminum-zinc alloy and preparation method thereof |
-
2021
- 2021-07-06 CN CN202110764246.6A patent/CN113652577B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2478132C1 (en) * | 2012-01-23 | 2013-03-27 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | High-strength alloy based on aluminium with calcium addition |
| CN104087720A (en) * | 2014-07-16 | 2014-10-08 | 谢廷声 | Aluminum base alloy for steelmaking and preparation method thereof |
| KR101591645B1 (en) * | 2014-11-27 | 2016-02-11 | 포스코강판 주식회사 | Al-Si-Ti-Mg ALLOY INGOT AND METHOD FOR MANUFACTURING THE SAME |
| CN108384995A (en) * | 2018-03-16 | 2018-08-10 | 广州宇智科技有限公司 | Die casting contains Ca and Mg aluminium alloys and its processing technology with high-damping |
| CN110440590A (en) * | 2019-08-08 | 2019-11-12 | 黄玉梅 | A kind of metal casting melting plant contour based on liquid level |
| CN111121457A (en) * | 2019-12-25 | 2020-05-08 | 广东凤铝铝业有限公司 | Aluminum smelting device and heat treatment method thereof |
| CN112779445A (en) * | 2020-12-25 | 2021-05-11 | 国家高速列车青岛技术创新中心 | Heat-resistant cast aluminum-zinc alloy and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 戴志勇等: "铝钙合金熔化和凝固过程中的气泡演变", 《热加工工艺》 * |
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