CN106735223A - A kind of Metal Substrate in-situ authigenic particle strengthens the increasing material manufacturing method of component - Google Patents
A kind of Metal Substrate in-situ authigenic particle strengthens the increasing material manufacturing method of component Download PDFInfo
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- CN106735223A CN106735223A CN201611149999.1A CN201611149999A CN106735223A CN 106735223 A CN106735223 A CN 106735223A CN 201611149999 A CN201611149999 A CN 201611149999A CN 106735223 A CN106735223 A CN 106735223A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of increasing material manufacturing method that Metal Substrate in-situ authigenic particle strengthens component, it is included in fusing metal in crucible of the bottom with nozzle, add two or more two kinds of simple substance particles, by the chemical reaction between particle, generate the in-situ authigenic particle insoluble in metal, form in-situ authigenic particle, one horizontal base plate that can make three-dimensional motion is set, horizontal base plate control program is set, applying certain pressure makes the metal bath containing in-situ authigenic particle be flowed out from nozzle, the steps such as melt Layer by layer solidification, stack shaping.The present invention obtains in-situ authigenic particle by the chemical reaction between the simple substance particle that adds in the metal bath and between simple substance particle and metal bath, the viscosity of metal bath is controlled by the size and volume of in-situ authigenic particle again, reach the purpose of control flowing and shaping, the Coating combination of solving over is bad, be unfavorable for the problems such as shaping, it is proposed that a kind of Metal Substrate in-situ authigenic particle strengthens the novel preparation method of component.
Description
Technical field
The invention belongs to metal increases material manufacturing technology field, more particularly to a kind of Metal Substrate in-situ authigenic particle enhancing component
Increasing material manufacturing method.
Background technology
Patent of invention《Hardware moves micro- method of squeeze forming》(application number：CN201310139419 one kind) is disclosed
Mouldless shaping method, it is characterised in that：The metal bath that will be refined continuously is extruded from crucible bottom outlet (nozzle), nozzle lower section
About hundreds of microns is a horizontal base plate that can make x-y-z three-dimensional motions, and melt is in the small space that nozzle and substrate are constituted
In solidification with substrate shearing motion, under three-dimensional manufacture software support, melt Layer by layer solidification stack shaping, without mould
Tool.The method it is critical only that：Be between nozzle and substrate (or the previous accumulation horizon for having solidified) one it is narrow and small it is semi-open,
The temperature of hemi-closure space, wherein melt must be strict controlled in solid-liquid two-phase region, solidify a part of melt, remaining
Melt is then travelled forward by the motion of substrate and being swept along from the pressure inside crucible, makes the dendrite for just having solidified by this fortune
Dynamic to smash, crystal grain is refined, so that the performance of component is improved.The method exist subject matter be：For many
For alloys in common use, ± 1 DEG C of difference is enough to make the fraction solid of melt to change, and is changed with induced viscosity, and temperature is low,
Viscosity is high, is conducive to shaping, but be unfavorable for Coating combination；Temperature is high, and viscosity is low, is conducive to Coating combination, but be unfavorable for shaping.
Accordingly, it would be desirable to take certain method, the change of viscosity is not relied on temperature, the control combined with interlayer (interface) will be shaped
Condition is separated, to realize that metal bath direct forming (increasing material manufacturing) creates convenience.
The content of the invention
The purpose of the present invention is：There is provided a kind of Metal Substrate in-situ authigenic particle strengthens the increasing material manufacturing method of component, passes through
Addition is no less than two kinds of simple substance particles in metal bath, within the scope of the temperature residing for melt, changes between these particles
Reaction is learned, or simple substance particle chemically reacts with the element in metal bath, generates the compound insoluble in metal, is formed
In-situ authigenic particle, makes the viscosity of metal bath be controlled by the size and volume of in-situ authigenic particle, realizes that Metal Substrate is in situ
Spontaneous particle strengthens the increasing material manufacturing of component.
The technical scheme is that：A kind of Metal Substrate in-situ authigenic particle strengthens the increasing material manufacturing method of component, and it is special
Levy and be, comprise the following steps：
A. the fusing metal in crucible of the bottom with nozzle, and temperature is maintained at more than liquidus curve, in metal bath
Addition is no less than two kinds of simple substance particles, within the scope of the temperature residing for melt, is chemically reacted between these particles, and generation is not
It is dissolved in the in-situ authigenic particle of metal；In-situ authigenic particle is set to be evenly distributed in metal bath by stirring, its viscosity is by original
The proportionate relationship of the molal weight of the particle diameter, the molal weight of particle and metal bath of the spontaneous particle in position is controlled；
B., one horizontal base plate and its control device that can make three-dimensional motion, the horizontal base of nozzle distance are set below nozzle
The distance of plate is 1~8 times of nozzle inside diameter；
C., predetermined program is set in horizontal base plate control device, for controlled level substrate three-dimensional motion direction and
Speed；
D. applying certain pressure makes the metal bath containing in-situ authigenic particle be flowed out from nozzle, while control device
Horizontal base plate is set to move in a predetermined direction and speed；
E. metal bath containing in-situ authigenic particle is between nozzle and horizontal base plate in solidification with substrate motion, gold
Category melt Layer by layer solidification, stack shaping obtains Metal Substrate in-situ authigenic particle enhancing component.
Further, it is anti-that the simple substance particle for being added in the step A also can occur chemistry with the element in metal bath
Should, generate the in-situ authigenic particle insoluble in metal bath.
Further, the metal bath in the step A is alloy melt.
Further, the mode of crucible heating is resistance heating or sensing heating in the step A.
Further, the method that in-situ authigenic particle is evenly distributed in metal bath is made to be machinery in the step A
Stirring or electromagnetic agitation.
Further, it is subject to inert gas shielding in metal molten and process of setting in the step A.
Further, in the step C, pressure in the controllable nozzle switch of horizontal base plate control device and crucible, from
And control the flow of metal bath.
The present invention by several simple substance particles in metal bath, within the scope of the temperature residing for melt, these particles it
Between or particle and metal bath between chemically react, generate compound insoluble in metal, formation in-situ authigenic particle, then
By the viscosity for controlling the size and volume of in-situ authigenic particle to control metal bath, the mesh of control flowing and shaping is reached
, the Coating combination of solving over is bad, be unfavorable for the problems such as shaping, and realizing metal-base particles strengthens the increasing material system of component
Make.
Brief description of the drawings
Fig. 1 is flow chart of the present invention；
Fig. 2 is practical application schematic diagram of the present invention.
1-- crucibles, 2-- in-situ authigenic particles, 3-- nozzles, the new solidification layers of 4--, 5-- simple substance particle 1,6-- simple substance particles
2,7-- blades, the previous solidification layers of 8--, 9-- horizontal base plates
Specific embodiment
Embodiment 1：Referring to Fig. 1, Fig. 2, a kind of Metal Substrate in-situ authigenic particle strengthens the increasing material manufacturing method of component, including
Following steps：
A. fusing metal aluminium in the crucible of nozzle is carried in bottom, and temperature is maintained at more than 660 DEG C, by a diameter of 50 μm
Ti, 1 μm of C particles, with mass ratio Ti:C:Al=4:1:(20~45) aluminum melt is added, metallic aluminium is made by mechanical agitation
In-situ authigenic particle in melt is uniformly distributed, and the mode of heating is resistance heating, and metal molten is subject to inert gas shielding；
B., one horizontal base plate and its control device that can make three-dimensional motion is set below nozzle, and the internal diameter of nozzle is
2mm, the distance of nozzle distance horizontal base plate is 10mm；
C., predetermined program is set in horizontal base plate control device, for controlled level substrate three-dimensional motion direction and
Speed, pressure in the controllable nozzle switch of horizontal base plate control device and crucible, so as to control the flow of metal aluminum melt；
D. applying certain pressure makes metal aluminum melt be flowed out from nozzle, while horizontal base plate control device controlled level base
Plate is moved in a predetermined direction and speed；
E. containing metal aluminum melt between nozzle and horizontal base plate in solidification with substrate motion, melt Layer by layer solidification,
Stack shaping, obtains aluminium base TiC enhancing components, and process of setting is subject to inert gas shielding.
Claims (7)
1. a kind of Metal Substrate in-situ authigenic particle strengthens the increasing material manufacturing method of component, it is characterised in that comprise the following steps：
A. the fusing metal in crucible of the bottom with nozzle, and temperature is maintained at more than liquidus curve, is added in metal bath
No less than two kinds of simple substance particles, within the scope of the temperature residing for melt, chemically reacted between these particles, generation is not dissolved in
The in-situ authigenic particle of metal；In-situ authigenic particle is evenly distributed in metal bath by stirring, its viscosity by it is in situ from
The proportionate relationship of the molal weight of the particle diameter, the molal weight of particle and metal bath of raw particle is controlled；
B., one horizontal base plate and its control device that can make three-dimensional motion is set below nozzle, nozzle distance horizontal base plate
Distance is 1~8 times of nozzle inside diameter；
C., predetermined program is set in horizontal base plate control device, direction and speed for controlled level substrate three-dimensional motion
Degree；
D. applying certain pressure makes the metal bath containing in-situ authigenic particle be flowed out from nozzle, while control device makes water
Flat substrate is moved in a predetermined direction and speed；
E. metal bath containing in-situ authigenic particle between nozzle and horizontal base plate in solidification with substrate motion, metal melts
Body Layer by layer solidification, stack shaping obtains Metal Substrate in-situ authigenic particle enhancing component.
2. a kind of Metal Substrate in-situ authigenic particle as claimed in claim 1 strengthens the increasing material manufacturing method of component, and its feature exists
In：The simple substance particle added in the step A can also chemically react with the element in metal bath, and generation does not dissolve in metal
The in-situ authigenic particle of melt.
3. a kind of Metal Substrate in-situ authigenic particle as claimed in claim 1 strengthens the increasing material manufacturing method of component, and its feature exists
In：Metal bath in the step A is alloy melt.
4. a kind of Metal Substrate in-situ authigenic particle as claimed in claim 1 strengthens the increasing material manufacturing method of component, and its feature exists
In：The mode of crucible heating is resistance heating or sensing heating in the step A.
5. a kind of Metal Substrate in-situ authigenic particle as claimed in claim 1 strengthens the increasing material manufacturing method of component, and its feature exists
In：The method for making in-situ authigenic particle be evenly distributed in metal bath in the step A is mechanical agitation or electromagnetic agitation.
6. a kind of Metal Substrate in-situ authigenic particle as claimed in claim 1 strengthens the increasing material manufacturing method of component, and its feature exists
In：In the step A inert gas shielding is subject in metal molten and process of setting.
7. a kind of Metal Substrate in-situ authigenic particle as claimed in claim 1 strengthens the increasing material manufacturing method of component, and its feature exists
In：In the step C, pressure in the controllable nozzle switch of horizontal base plate control device and crucible, so as to control metal bath
Flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611149999.1A CN106735223B (en) | 2016-12-14 | 2016-12-14 | A kind of increasing material manufacturing method of Metal Substrate in-situ authigenic particle enhancing component |
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| CN201611149999.1A CN106735223B (en) | 2016-12-14 | 2016-12-14 | A kind of increasing material manufacturing method of Metal Substrate in-situ authigenic particle enhancing component |
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| CN106735223B CN106735223B (en) | 2018-11-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262834A (en) * | 2018-01-31 | 2018-07-10 | 广东工业大学 | A kind of drawing mechanism based on increases material manufacturing technology |
| CN113458415A (en) * | 2021-09-03 | 2021-10-01 | 北京煜鼎增材制造研究院有限公司 | Laser additive manufacturing method of high-stability particle dispersion strengthened titanium alloy |
| US11772188B1 (en) * | 2021-11-04 | 2023-10-03 | Lockheed Martin Corporation | Additive friction stir deposition system for refractory metals |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262834A (en) * | 2018-01-31 | 2018-07-10 | 广东工业大学 | A kind of drawing mechanism based on increases material manufacturing technology |
| CN113458415A (en) * | 2021-09-03 | 2021-10-01 | 北京煜鼎增材制造研究院有限公司 | Laser additive manufacturing method of high-stability particle dispersion strengthened titanium alloy |
| US11772188B1 (en) * | 2021-11-04 | 2023-10-03 | Lockheed Martin Corporation | Additive friction stir deposition system for refractory metals |
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| Publication number | Publication date |
|---|---|
| CN106735223B (en) | 2018-11-02 |
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Effective date of registration: 20220921 Address after: 511458 Room 501, building 1, 1119 Haibin Road, Nansha District, Guangzhou City, Guangdong Province Patentee after: Guangdong Aerospace Science and Technology Research Institute Address before: 100190, No. 15 West Fourth Ring Road, Beijing, Haidian District Patentee before: INSTITUTE OF MECHANICS, CHINESE ACADEMY OF SCIENCES |