CN104762502A - Impact-resistant fly ash aluminium-based composite material with high hardness and preparation method thereof - Google Patents
Impact-resistant fly ash aluminium-based composite material with high hardness and preparation method thereof Download PDFInfo
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- CN104762502A CN104762502A CN201510124919.6A CN201510124919A CN104762502A CN 104762502 A CN104762502 A CN 104762502A CN 201510124919 A CN201510124919 A CN 201510124919A CN 104762502 A CN104762502 A CN 104762502A
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- fly ash
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- aluminium
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- magnesium
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- 239000010881 fly ash Substances 0.000 title claims abstract description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 239000004411 aluminium Substances 0.000 title abstract 3
- 238000002360 preparation method Methods 0.000 title description 7
- 239000011159 matrix material Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 239000004005 microsphere Substances 0.000 claims abstract description 15
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 14
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 12
- NFMWFGXCDDYTEG-UHFFFAOYSA-N trimagnesium;diborate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]B([O-])[O-].[O-]B([O-])[O-] NFMWFGXCDDYTEG-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical compound [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000012153 distilled water Substances 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 235000011149 sulphuric acid Nutrition 0.000 claims description 3
- 239000001117 sulphuric acid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Compositions Of Oxide Ceramics (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses an impact-resistant fly ash aluminium-based composite material with high hardness, which comprises the following raw materials by weight part: 2-4 parts of mullite fiber, 7-9 parts of magnesium borate, 5-25 parts of fly ash microsphere, 65-85 parts of aluminium magnesium alloy powder, 4-6 parts of lithium powder, 4-6 parts of copper powder, 0.5-1.1 parts of polyvinyl alcohol and a proper amount of distilled water. According to the invention, the problems of poor dispersibility of a reinforcement and an aluminium-based matrix as well as poor wetability, the added mullite fiber has the advantages of good processability, excellent performance, high hardness and good impact resistance, and the added magnesium borate can obviously increase the toughness, wear resistance, corrosion resistance and mechanical property of the material.
Description
Technical field
The present invention relates to technical field of new material preparation, particularly relate to high impact-resistant flyash aluminum matrix composite of a kind of hardness and preparation method thereof.
Background technology
the light conduction instrument that optical fiber is total reflection principle in a kind of fiber utilizing light to make at glass or plastics and reaches, has a wide range of applications in the communications field.In the construction and maintenance process of fibre optic installations, often need to carry out the operation such as welding, fiber stripping to optical fiber, need to use different types of equipment.The submount material of these equipment adopts aluminum alloy materials usually, the performance such as its intensity, hardness, wear-resisting, heat-resisting and heat conduction is relevant with the metallic substance of interpolation, cost performance is not high, expensive, current people can not be met to a series of requirements such as fiber plant base humidity, hardness, intensity, fire-retardant, heat conduction, heat-resisting, fire prevention.Flyash is one of industrial residue that the current discharge capacity of China is larger, and along with the development of power industry, the flyash quantity discharged of coal-burning power plant increases year by year, and a large amount of flyash does not add process, can produce airborne dust, atmosphere pollution; Entering water system then can cause river to silt up, and toxic chemical substance wherein also can work the mischief to human body and biology.At present, the domestic comprehensive utilization aspect research to flyash is many, but the rare report of the research preparing aluminum matrix composite aspect using flyash as enhanced granule.
Flyash, as the weighting material of aluminium alloy, reduces price and the density of matrix material, and adds weather resistance, abrasion resistance, intensity, rigidity, many performances such as heat-resisting, anticorrosive.But flyash diffustivity in aluminum-based matrix is bad, wettability is poor, and traditional its preparation process easily produces pore, bonding surface is insecure, affects the mechanical property of material, mechanical strength, weather resistance, rub and examine the performance such as coefficient and coefficient of thermal expansion.In order to solve this difficult problem, finding more applicable its preparation process and being undoubtedly an effective approach.
Summary of the invention
The object of this invention is to provide high impact-resistant flyash aluminum matrix composite of a kind of hardness and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
The high impact-resistant flyash aluminum matrix composite of a kind of hardness, is made up of the raw material of following weight part: mullite fiber 2-4, magnesium borate 7-9, fly ash micro-sphere 5-25, aluminium-magnesium alloy powder 65-85, lithium powder 4-6, copper powder 4-6, polyvinyl alcohol 0.5-1.1, distilled water are appropriate;
2, the high impact-resistant flyash aluminum matrix composite of a kind of hardness according to claim 1, is characterized in that, be made up of following concrete steps:
(1) fly ash micro-sphere is immersed in 2-3 hour in the sulphuric acid soln of 10mol/l, then becomes neutral post-drying with distilled water wash surface, then utilized by copper metalikon atomised jet in spray gun to the fly ash micro-sphere surface of drying, to form one deck coating;
(2) mullite fiber is carried out short cut after and magnesium borate under 500-600 ° of C, calcine 1-2 hour, again the fly ash micro-sphere of mullite fiber, magnesium borate, aluminium-magnesium alloy powder, lithium powder and step (1) is mixed 2-4 hour in mixer, and then add polyvinyl alcohol and appropriate distilled water mix and blend formation hygrometric state compound, add after continuing mechanically mixing 2-3 hour again and be pressed into prefabricated component, dry for standby;
(3) prefabricated component is placed in tube furnace, passes into nitrogen, temperature is increased to 300-500 ° of C, keep 0.5-1 hour, then temperature is increased to 550-580 ° of C, high temperature sintering 2-3 hour, furnace cooling.
The high impact-resistant flyash aluminum matrix composite of a kind of hardness of the present invention, in described aluminium-magnesium alloy powder, the weight percent of magnesium is 3%-5%.
Advantage of the present invention is: the present invention's acid makes specific surface area increase to fly ash micro-sphere surface corrosion process, add and the consistency of aluminum magnesium alloy and the tensile strength improving matrix material in copper coating process, and the lithium powder added in aluminum magnesium alloy and copper powder, reduce interface performance, enhance the wettability with fly ash micro-sphere, solve flyash dispersed bad in aluminum magnesium alloy, the problem of wettability difference, the mullite fiber processibility of adding is good, excellent performance, especially hardness is high, shock-resistance is good, the magnesium borate added significantly improves the toughness of material, wear-resisting, anti-corrosion and mechanical property.
Specific embodiments
Below by specific examples, the present invention is described in detail.
The high impact-resistant flyash aluminum matrix composite of a kind of hardness, is made up of the raw material of following weight part (kilogram): mullite fiber 3, magnesium borate 7, fly ash micro-sphere 15, aluminium-magnesium alloy powder 70, lithium powder 5, copper powder 5, polyvinyl alcohol 0.7, distilled water are appropriate;
The high impact-resistant flyash aluminum matrix composite of a kind of hardness of the present invention, be made up of following concrete steps:
(1) fly ash micro-sphere to be immersed in the sulphuric acid soln of 10mol/l 2 hours, then to become neutral post-drying with distilled water wash surface, then copper is utilized metalikon in spray gun atomised jet to the fly ash micro-sphere surface of drying, formation one deck coating;
(2) mullite fiber is carried out short cut after and magnesium borate calcine 1 hour under 600 ° of C, again the fly ash micro-sphere of mullite fiber, magnesium borate, aluminium-magnesium alloy powder, lithium powder and step (1) is mixed 2 hours in mixer, and then add polyvinyl alcohol and appropriate distilled water mix and blend formation hygrometric state compound, continue mechanically mixing again to add after 2 hours and be pressed into prefabricated component, dry for standby;
(3) prefabricated component is placed in tube furnace, passes into nitrogen, temperature is increased to 500 ° of C, keep 1 hour, then temperature is increased to 560 ° of C, high temperature sintering 2 hours, furnace cooling.
The high impact-resistant flyash aluminum matrix composite of a kind of hardness of the present invention, in described aluminium-magnesium alloy powder, the weight percent of magnesium is 4%.
Flyash Wear Resistance of Aluminum Matrix Composite average specific base aluminum magnesium alloy in the present embodiment is high by 60.7%, tensile strength mean height 10.7%, unit elongation mean height 14.6%.
Claims (3)
1. the high impact-resistant flyash aluminum matrix composite of hardness, it is characterized in that, be made up of the raw material of following weight part: mullite fiber 2-4, magnesium borate 7-9, fly ash micro-sphere 5-25, aluminium-magnesium alloy powder 65-85, lithium powder 4-6, copper powder 4-6, polyvinyl alcohol 0.5-1.1, distilled water are appropriate.
2. the high impact-resistant flyash aluminum matrix composite of a kind of hardness according to claim 1, is characterized in that, be made up of following concrete steps:
(1) fly ash micro-sphere is immersed in 2-3 hour in the sulphuric acid soln of 10mol/l, then becomes neutral post-drying with distilled water wash surface, then utilized by copper metalikon atomised jet in spray gun to the fly ash micro-sphere surface of drying, to form one deck coating;
(2) mullite fiber is carried out short cut after and magnesium borate under 500-600 ° of C, calcine 1-2 hour, again the fly ash micro-sphere of mullite fiber, magnesium borate, aluminium-magnesium alloy powder, lithium powder and step (1) is mixed 2-4 hour in mixer, and then add polyvinyl alcohol and appropriate distilled water mix and blend formation hygrometric state compound, add after continuing mechanically mixing 2-3 hour again and be pressed into prefabricated component, dry for standby;
(3) prefabricated component is placed in tube furnace, passes into nitrogen, temperature is increased to 300-500 ° of C, keep 0.5-1 hour, then temperature is increased to 550-580 ° of C, high temperature sintering 2-3 hour, furnace cooling.
3. the high impact-resistant flyash aluminum matrix composite of a kind of hardness according to claim 1-2, it is characterized in that, in described aluminium-magnesium alloy powder, the weight percent of magnesium is 3%-5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124919.6A CN104762502A (en) | 2015-03-23 | 2015-03-23 | Impact-resistant fly ash aluminium-based composite material with high hardness and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124919.6A CN104762502A (en) | 2015-03-23 | 2015-03-23 | Impact-resistant fly ash aluminium-based composite material with high hardness and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104762502A true CN104762502A (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510124919.6A Pending CN104762502A (en) | 2015-03-23 | 2015-03-23 | Impact-resistant fly ash aluminium-based composite material with high hardness and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104762502A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391834A (en) * | 2011-09-20 | 2012-03-28 | 盐城工学院 | Preparation method for high temperature-resistant automobile brake lining |
| CN103482920A (en) * | 2013-09-11 | 2014-01-01 | 上海欧墅节能科技有限公司 | Method for manufacturing environment-friendly and energy-saving composite board |
-
2015
- 2015-03-23 CN CN201510124919.6A patent/CN104762502A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391834A (en) * | 2011-09-20 | 2012-03-28 | 盐城工学院 | Preparation method for high temperature-resistant automobile brake lining |
| CN103482920A (en) * | 2013-09-11 | 2014-01-01 | 上海欧墅节能科技有限公司 | Method for manufacturing environment-friendly and energy-saving composite board |
Non-Patent Citations (1)
| Title |
|---|
| 曹银南: "粉煤灰/Al合金复合材料的制备及摩擦磨损性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
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| C06 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150708 |
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| RJ01 | Rejection of invention patent application after publication |