CN110643844B - Modified waste aluminum for improving corrosion resistance of aluminum alloy - Google Patents
Modified waste aluminum for improving corrosion resistance of aluminum alloy Download PDFInfo
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- CN110643844B CN110643844B CN201910928551.7A CN201910928551A CN110643844B CN 110643844 B CN110643844 B CN 110643844B CN 201910928551 A CN201910928551 A CN 201910928551A CN 110643844 B CN110643844 B CN 110643844B
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- 239000002699 waste material Substances 0.000 title claims abstract description 60
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 33
- 230000007797 corrosion Effects 0.000 title claims abstract description 30
- 238000005260 corrosion Methods 0.000 title claims abstract description 30
- 150000004767 nitrides Chemical class 0.000 claims abstract description 22
- 238000000227 grinding Methods 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 36
- 238000002156 mixing Methods 0.000 claims description 35
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 15
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 15
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 12
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 12
- 239000002202 Polyethylene glycol Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229910000553 6063 aluminium alloy Inorganic materials 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
-
- 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
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0068—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only nitrides
-
- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- 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
Abstract
The invention discloses modified waste aluminum for improving corrosion resistance of aluminum alloy, and relates to the technical field of environmental protection, wherein the modified waste aluminum is obtained by performing composite grinding on nitride, waste aluminum powder and copper powder; the modified waste aluminum prepared by the invention can obviously improve the corrosion resistance of the aluminum alloy.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to modified waste aluminum for improving corrosion resistance of aluminum alloy.
Background
Aluminum has extremely high cost and huge energy consumption from ores to finished metals and then to finished products, but a large amount of waste is generated in the production and the life at present, so that not only is the environment polluted, but also huge resource waste is caused. More and more enterprises have researched the technology of recycling and reusing waste metal aluminum, and the technology has great significance in saving resources on the earth, saving energy consumption and cost, shortening the production flow period, protecting the environment, improving the ecological environment of human beings and the like.
When the aluminum alloy spare exposes in the air, because contain oxygen, moisture, temperature variation and other corrosivity factors in the air for the corruption of aluminum alloy spare is inevitable, and when the stack of corroding for a long time, can direct lead to the reduction by a wide margin of aluminum alloy spare performance, can't continue to work, consequently, how to improve the corrosion resisting property of aluminum alloy spare is the technical problem that needs the solution.
Disclosure of Invention
The invention aims to provide modified waste aluminum for improving the corrosion resistance of aluminum alloy aiming at the existing problems.
The invention is realized by the following technical scheme:
the modified waste aluminum for improving the corrosion resistance of the aluminum alloy is obtained by carrying out composite grinding on nitride, waste aluminum powder and copper powder.
As a further technical scheme, the mixing mass ratio of the nitride to the waste aluminum powder to the copper powder is 3-5:12: 1.
As a further technical scheme, the nitride is formed by mixing silicon nitride and titanium nitride according to the mass ratio of 1: 3.
As a further technical scheme, the preparation method of the modified waste aluminum comprises the following steps:
(1) evenly dividing waste aluminum powder into two parts with equal quantity ab, evenly mixing a part of waste aluminum powder and silicon nitride, then adding glycerol with the total mass 5 times of that of the mixture, carrying out ultrasonic treatment for 1min, grinding for 2 hours according to a ball-to-material ratio of 20:1, then filtering and drying to obtain a mixed material 1;
(2) uniformly mixing b parts of waste aluminum powder and titanium nitride, adding the mixture into polyethylene glycol with the total mass being 5 times of the mixed mass, grinding for 1 hour according to the ball-to-material ratio of 25:1, filtering, and drying to obtain a mixed material 2;
(3) and mixing the mixed materials 1 and 2, adding copper powder, mixing with polyethylene glycol which is 5 times of the total mass of the mixed materials, grinding for 30min at a ball-to-material ratio of 25:1, filtering, drying to constant weight, and sieving with a 800-mesh sieve to obtain the copper-based catalyst.
As a further technical scheme, the frequency of the ultrasonic wave is 30kHz, and the power is 500W.
As a further technical scheme, the mixing ratio of the modified waste aluminum to the aluminum alloy is 1-1.5: 100.
As a further technical scheme, the modified waste aluminum is added in an aluminum alloy molten state, stirred for 30min, then cast and molded, cooled and then subjected to heat treatment, and the aluminum alloy is obtained.
As a further technical scheme, the pouring is performed at 730 ℃.
As a further technical scheme, the heat treatment is carried out at 510-520 ℃ for 5 hours, and water quenching is carried out by using water at 75 ℃.
Has the advantages that: the modified aluminum scrap prepared by the method can obviously improve the corrosion resistance of the aluminum alloy, and when no nitride is added into the modified aluminum scrap or only titanium nitride is adopted as the nitride, the corrosion resistance of the aluminum alloy is obviously reduced, so that the silicon nitride and the titanium nitride in a certain mass ratio have an obvious synergistic effect, and the corrosion resistance of the prepared modified aluminum scrap can be greatly improved. The chloride ions are active ions with quite strong adsorption capacity, and have the characteristics of small radius, strong penetrating power, capability of chemically damaging an oxide film on the surface of the aluminum alloy, solution conductivity enhancement and the like, so that the surface of the aluminum alloy is corroded, the modified waste aluminum is added, the chloride ions can be effectively blocked, the destructive effect of the chloride ions on the surface of an aluminum alloy matrix is reduced, intergranular corrosion is generated through a crystal boundary transversely parallel to the surface of the matrix, the matrix is separated in various layers, the intergranular corrosion of the aluminum alloy hardly causes weight change, the weight change is not easy to be discovered by naked eyes, but the bonding force of internal crystal grains of the aluminum alloy is damaged, and the mechanical property is reduced, the grain refining effect can be remarkably improved, the average crystal grain radius is reduced, the average crystal radius can be reduced to about 89.2 mu m, the grain reduction degree is about 55 percent smaller than that before modified waste aluminum is not added, and meanwhile, eutectic silicon in the aluminum alloy is changed from long rod-shaped or needle-shaped with edges and corners which are unevenly distributed into point-shaped and evenly distributed among the crystal grains, the silicon phase and the alpha-Al matrix are combined more tightly, the area of the cathode phase is reduced, so that the bonding force among the crystal grains can be obviously improved, and the occurrence of intergranular corrosion and the damage of chloride ions is reduced.
Detailed Description
Example 1
The modified waste aluminum for improving the corrosion resistance of the aluminum alloy is obtained by carrying out composite grinding on nitride, waste aluminum powder and copper powder.
According to a further technical scheme, the mixing mass ratio of the nitride to the waste aluminum powder to the copper powder is 3:12: 1.
As a further technical scheme, the nitride is formed by mixing silicon nitride and titanium nitride according to the mass ratio of 1: 3.
As a further technical scheme, the preparation method of the modified waste aluminum comprises the following steps:
(1) evenly dividing waste aluminum powder into two parts with equal quantity ab, evenly mixing a part of waste aluminum powder and silicon nitride, then adding glycerol with the total mass 5 times of that of the mixture, carrying out ultrasonic treatment for 1min, grinding for 2 hours according to a ball-to-material ratio of 20:1, then filtering and drying to obtain a mixed material 1;
(2) uniformly mixing b parts of waste aluminum powder and titanium nitride, adding the mixture into polyethylene glycol with the total mass being 5 times of the mixed mass, grinding for 1 hour according to the ball-to-material ratio of 25:1, filtering, and drying to obtain a mixed material 2;
(3) and mixing the mixed materials 1 and 2, adding copper powder, mixing with polyethylene glycol which is 5 times of the total mass of the mixed materials, grinding for 30min at a ball-to-material ratio of 25:1, filtering, drying to constant weight, and sieving with a 800-mesh sieve to obtain the copper-based catalyst.
As a further technical scheme, the frequency of the ultrasonic wave is 30kHz, and the power is 500W.
As a further technical scheme, the mixing ratio of the modified waste aluminum to the aluminum alloy is 1: 100.
As a further technical scheme, the modified waste aluminum is added in an aluminum alloy molten state, stirred for 30min, then cast and molded, cooled and then subjected to heat treatment, and the aluminum alloy is obtained.
As a further technical scheme, the pouring is performed at 730 ℃.
As a further technical scheme, the heat treatment is carried out for 5 hours at 510 ℃, and water quenching is carried out by adopting water at 75 ℃.
Example 2
The modified waste aluminum for improving the corrosion resistance of the aluminum alloy is obtained by carrying out composite grinding on nitride, waste aluminum powder and copper powder.
According to a further technical scheme, the mixing mass ratio of the nitride to the waste aluminum powder to the copper powder is 5:12: 1.
As a further technical scheme, the nitride is formed by mixing silicon nitride and titanium nitride according to the mass ratio of 1: 3.
As a further technical scheme, the preparation method of the modified waste aluminum comprises the following steps:
(1) evenly dividing waste aluminum powder into two parts with equal quantity ab, evenly mixing a part of waste aluminum powder and silicon nitride, then adding glycerol with the total mass 5 times of that of the mixture, carrying out ultrasonic treatment for 1min, grinding for 2 hours according to a ball-to-material ratio of 20:1, then filtering and drying to obtain a mixed material 1;
(2) uniformly mixing b parts of waste aluminum powder and titanium nitride, adding the mixture into polyethylene glycol with the total mass being 5 times of the mixed mass, grinding for 1 hour according to the ball-to-material ratio of 25:1, filtering, and drying to obtain a mixed material 2;
(3) and mixing the mixed materials 1 and 2, adding copper powder, mixing with polyethylene glycol which is 5 times of the total mass of the mixed materials, grinding for 30min at a ball-to-material ratio of 25:1, filtering, drying to constant weight, and sieving with a 800-mesh sieve to obtain the copper-based catalyst.
As a further technical scheme, the frequency of the ultrasonic wave is 30kHz, and the power is 500W.
As a further technical scheme, the mixing ratio of the modified waste aluminum to the aluminum alloy is 1.5: 100.
As a further technical scheme, the modified waste aluminum is added in an aluminum alloy molten state, stirred for 30min, then cast and molded, cooled and then subjected to heat treatment, and the aluminum alloy is obtained.
As a further technical scheme, the pouring is performed at 730 ℃.
As a further technical scheme, the heat treatment is carried out for 5 hours at 520 ℃, and water quenching is carried out by adopting water at 75 ℃.
Example 3
The modified waste aluminum for improving the corrosion resistance of the aluminum alloy is obtained by carrying out composite grinding on nitride, waste aluminum powder and copper powder.
According to a further technical scheme, the mixing mass ratio of the nitride to the waste aluminum powder to the copper powder is 4:12: 1.
As a further technical scheme, the nitride is formed by mixing silicon nitride and titanium nitride according to the mass ratio of 1: 3.
As a further technical scheme, the preparation method of the modified waste aluminum comprises the following steps:
(1) evenly dividing waste aluminum powder into two parts with equal quantity ab, evenly mixing a part of waste aluminum powder and silicon nitride, then adding glycerol with the total mass 5 times of that of the mixture, carrying out ultrasonic treatment for 1min, grinding for 2 hours according to a ball-to-material ratio of 20:1, then filtering and drying to obtain a mixed material 1;
(2) uniformly mixing b parts of waste aluminum powder and titanium nitride, adding the mixture into polyethylene glycol with the total mass being 5 times of the mixed mass, grinding for 1 hour according to the ball-to-material ratio of 25:1, filtering, and drying to obtain a mixed material 2;
(3) and mixing the mixed materials 1 and 2, adding copper powder, mixing with polyethylene glycol which is 5 times of the total mass of the mixed materials, grinding for 30min at a ball-to-material ratio of 25:1, filtering, drying to constant weight, and sieving with a 800-mesh sieve to obtain the copper-based catalyst.
As a further technical scheme, the frequency of the ultrasonic wave is 30kHz, and the power is 500W.
As a further technical scheme, the mixing ratio of the modified waste aluminum to the aluminum alloy is 1.2: 100.
As a further technical scheme, the modified waste aluminum is added in an aluminum alloy molten state, stirred for 30min, then cast and molded, cooled and then subjected to heat treatment, and the aluminum alloy is obtained.
As a further technical scheme, the pouring is performed at 730 ℃.
As a further technical scheme, the heat treatment is carried out for 5 hours at 514 ℃, and water quenching is carried out by adopting water at 75 ℃.
Salt spray corrosion resistance:
the corrosion test was carried out in a FQY010A salt spray test box according to the GJB150.11 standard:
the mass fraction of the sodium chloride solution is 5 percent;
weight loss rate = (m 1-m 2)/m × 100%;
m1 mass g before corrosion;
m2 mass g after corrosion;
corrosion rate = (m 1-m 2)/St;
the corrosion rate g/m is higher than h;
m1 mass g before corrosion;
m2 mass g after corrosion;
the surface area m of the S sample exposed in the corrosive environment is shown;
t, sample corrosion time h;
samples of 6063 aluminum alloy with the same specification are adopted and modified respectively by the embodiment and the comparative example, 10 samples are obtained in each group, and the results are averaged;
TABLE 1
Comparative example 1: only differs from the example 1 in that no nitride is added to the modified aluminum scrap;
comparative example 2: only differs from the embodiment 1 in that only titanium nitride is used as the nitride in the waste aluminum;
as can be seen from table 1, the modified aluminum scrap prepared by the method can significantly improve the corrosion resistance of the aluminum alloy, and when no nitride is added to the modified aluminum scrap or only titanium nitride is used as the nitride, the corrosion resistance of the aluminum alloy is significantly reduced, so that silicon nitride and titanium nitride in a certain mass ratio have a significant synergistic effect, and the corrosion resistance of the aluminum alloy can be greatly improved by the prepared modified aluminum scrap.
Claims (1)
1. The modified waste aluminum for improving the corrosion resistance of the aluminum alloy is characterized in that the modified waste aluminum is obtained by compound grinding of nitride, waste aluminum powder and copper powder; the mixing mass ratio of the nitride to the waste aluminum powder to the copper powder is 3-5:12: 1; the nitride is formed by mixing silicon nitride and titanium nitride according to the mass ratio of 1: 3; the preparation method of the modified waste aluminum comprises the following steps:
(1) evenly dividing waste aluminum powder into two parts with equal quantity ab, evenly mixing a part of waste aluminum powder and silicon nitride, then adding glycerol with the total mass 5 times of that of the mixture, carrying out ultrasonic treatment for 1min, grinding for 2 hours according to a ball-to-material ratio of 20:1, then filtering and drying to obtain a mixed material 1;
(2) uniformly mixing b parts of waste aluminum powder and titanium nitride, adding the mixture into polyethylene glycol with the total mass being 5 times of the mixed mass, grinding for 1 hour according to the ball-to-material ratio of 25:1, filtering, and drying to obtain a mixed material 2;
(3) mixing the mixed materials 1 and 2, adding copper powder, mixing with polyethylene glycol which is 5 times of the total mass of the mixed materials, grinding for 30min at a ball-to-material ratio of 25:1, filtering, drying to constant weight, and sieving with a 800-mesh sieve to obtain the material; the frequency of the ultrasonic wave is 30kHz, and the power is 500W; the mixing ratio of the modified waste aluminum to the aluminum alloy is 1-1.5: 100; adding the modified waste aluminum in an aluminum alloy molten state, stirring for 30min, then performing casting molding, cooling, and performing heat treatment; the pouring is performed at 730 ℃; the heat treatment is carried out for 5 hours at the temperature of 510-520 ℃, and water quenching is carried out by adopting water at the temperature of 75 ℃.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5464463A (en) * | 1992-04-16 | 1995-11-07 | Toyota Jidosha Kabushiki Kaisha | Heat resistant aluminum alloy powder heat resistant aluminum alloy and heat and wear resistant aluminum alloy-based composite material |
| CN1226438C (en) * | 2003-10-27 | 2005-11-09 | 山东大学 | Method for preparing aluminium base alloy of containing T10 and AL2O3 particles |
| EP3271488A1 (en) * | 2015-03-17 | 2018-01-24 | Materion Corporation | Lightweight, robust, wear resistant components comprising an aluminum matrix composite |
| CN106987744B (en) * | 2017-04-28 | 2019-01-29 | 浙江大侠铝业有限公司 | A kind of wear-resistant aluminum alloy and its preparation process |
| CA3012511A1 (en) * | 2017-07-27 | 2019-01-27 | Terves Inc. | Degradable metal matrix composite |
| CN109852851A (en) * | 2019-03-20 | 2019-06-07 | 安徽信息工程学院 | A kind of low wear rate material and preparation method thereof |
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Effective date of registration: 20240402 Address after: 663401 Banlun Township, Funing County, Wenshan Zhuang and Miao Autonomous Prefecture, Yunnan Province (Qinglongping Area of Yunnan Funing Industrial Park) Patentee after: Yunnan Guilu Aluminum Industry Co.,Ltd. Country or region after: China Address before: 236500 south of Kaiyuan Road, Xicheng Industrial Park, Jieshou City, Fuyang City, Anhui Province Patentee before: Anhui Huifeng Renewable Resources Technology Co.,Ltd. Country or region before: China |