CN104674073A - Powder metallurgy aluminum alloy material and preparation method thereof - Google Patents
Powder metallurgy aluminum alloy material and preparation method thereof Download PDFInfo
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- CN104674073A CN104674073A CN201510102170.5A CN201510102170A CN104674073A CN 104674073 A CN104674073 A CN 104674073A CN 201510102170 A CN201510102170 A CN 201510102170A CN 104674073 A CN104674073 A CN 104674073A
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- powder metallurgy
- aluminium alloys
- preparation
- metallurgy aluminium
- temperature
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 45
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000956 alloy Substances 0.000 title abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 69
- 239000007769 metal material Substances 0.000 claims abstract description 33
- 238000000498 ball milling Methods 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000005245 sintering Methods 0.000 claims description 28
- 238000000227 grinding Methods 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 229910052693 Europium Inorganic materials 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052715 tantalum Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005272 metallurgy Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
Classifications
-
- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0408—Light metal alloys
- C22C1/0416—Aluminium-based alloys
-
- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
Abstract
The invention belongs to the field of power metallurgy, and discloses a powder metallurgy aluminum alloy material and a preparation method thereof. The material comprises components in percentage by weight as follows: 0.8 %-2.4 % of Cr, 1.5 %-3.5 % of Ca, 0.3 %-0.9 % of Mo, 5.9 %-9.3 % of Cu, 4.6 %-6.6 % of Ni, 1.5 %-2.8 % of Ti, 0.2 %-0.4 % of Eu, 0.3 %-0.6 % of Ta and the balance of Al. The preparation method comprises steps as follows: (1), metal raw materials are uniformly mixed; (2) ball milling is performed; (3), pressing forming is performed; (4), a metal material is sintered at the high temperature and then naturally cooled, and the powder metallurgy aluminum alloy material is prepared.
Description
Technical field
The invention belongs to mmaterial field, relate to a kind of mmaterial and preparation method thereof, particularly relate to a kind of POWDER METALLURGY ALUMINIUM ALLOYS material and preparation method thereof.
Background technology
The range of application of sintered metal product is very extensive, is fabricated onto precision instrument from standard machinery; From hardware & tools to big machinery; From electronic industry to motor manufacturing; From civilian industry to war industry; From general technology to most advanced and sophisticated hi-tech, the figure of powder metallurgical technique all can be seen.
Mmaterial has following advantage: the segregation first can avoiding composition, ensures that alloy has uniform tissue and stable performance; Next to utilize metal and metal, metal and nonmetallic combined effect, produces the material of various property.POWDER METALLURGY ALUMINIUM ALLOYS part, except having above-mentioned advantage, also has following characteristic: density is low, is about about 1/3rd of Fe and Cu density; And do not need to do antirust treatment, because Al surface very easily forms layer oxide film, and then play antirust effect.POWDER METALLURGY ALUMINIUM ALLOYS material, owing to having low density, high than the advantage such as strong, causes the common concern of people in recent years.
Summary of the invention
The technical problem solved: conventional powder metallurgy aluminium condensation material is more, but the research of POWDER METALLURGY ALUMINIUM ALLOYS material is less, and the hardness of the POWDER METALLURGY ALUMINIUM ALLOYS material of routine is lower, simultaneously its tensile strength and ultimate compression strength also lower, the object of this invention is to provide the POWDER METALLURGY ALUMINIUM ALLOYS material of a kind of high rigidity, high tensile, high compressive strength.
Technical scheme: the invention discloses a kind of POWDER METALLURGY ALUMINIUM ALLOYS material, described POWDER METALLURGY ALUMINIUM ALLOYS material comprises the composition of following weight:
Described a kind of POWDER METALLURGY ALUMINIUM ALLOYS material, comprises the composition of following weight:
A preparation method for POWDER METALLURGY ALUMINIUM ALLOYS material, preparation method comprises the steps:
(1) raw metal is mixed, by always to measure Cr be 0.8wt%-2.4wt%, Ca be 1.5wt%-3.5wt%, Mo be 0.3wt%-0.9wt%, Cu be 5.9wt%-9.3wt%, Ni be 4.6wt%-6.6wt%, Ti be 1.5wt%-2.8wt%, Eu be 0.2wt%-0.4wt%, Ta is 0.3wt%-0.6wt%, surplus is Al, by above-mentioned material mixing to evenly;
(2) the above-mentioned material ball mill ball milling mixed, the ratio of grinding media to material in ball mill is 30:1-40:1, and drum's speed of rotation is 200rpm, and the time of ball milling is 2.5h-3h;
(3) be pressed in pressure mould by the metallic substance after ball milling, the compressive load per unit area of mould is 780-850kgf/cm
2;
(4) after metallic substance being pressed into base, Metal Materials At High Temperature is sintered, temperature rise rate is 30 DEG C/min, it is 620 DEG C that the temperature of sintering oven raises, and keeps temperature-resistant 30min, then to rise to temperature according to the temperature rise rate of 45 DEG C/min be 880-940 DEG C, temperature-resistant sintering, sintering time is 1h-2.5h, then by above-mentioned metallic substance naturally cooling, is prepared as POWDER METALLURGY ALUMINIUM ALLOYS material.
The preparation method of described a kind of POWDER METALLURGY ALUMINIUM ALLOYS material, the ratio of grinding media to material in ball mill is 35:1, and the time of ball milling is 3h.
The preparation method of described a kind of POWDER METALLURGY ALUMINIUM ALLOYS material, the compressive load per unit area of mould is 820kgf/cm
2.
The preparation method of described a kind of POWDER METALLURGY ALUMINIUM ALLOYS material, in sintering oven, the high temperature sintering time is 2h.
Beneficial effect: POWDER METALLURGY ALUMINIUM ALLOYS material of the present invention is compared with the POWDER METALLURGY ALUMINIUM ALLOYS material of routine, hardness, tensile strength and ultimate compression strength are obtained for and significantly improve, improve the physical strength of POWDER METALLURGY ALUMINIUM ALLOYS material, expand the Application Areas of POWDER METALLURGY ALUMINIUM ALLOYS material.
Embodiment
Embodiment 1
(1) raw metal is mixed, by always to measure Cr be 0.8wt%, Ca be 3.5wt%, Mo be 0.9wt%, Cu be 9.3wt%, Ni be 6.6wt%, Ti be 1.5wt%, Eu be 0.4wt%, Ta is 0.6wt%, surplus is Al, by above-mentioned material mixing to evenly; (2) the above-mentioned material ball mill ball milling mixed, the ratio of grinding media to material in ball mill is 40:1, and drum's speed of rotation is 200rpm, and the time of ball milling is 3h; (3) be pressed in pressure mould by the metallic substance after ball milling, the compressive load per unit area of mould is 850kgf/cm
2; (4) after metallic substance being pressed into base, Metal Materials At High Temperature is sintered, temperature rise rate is 30 DEG C/min, it is 620 DEG C that the temperature of sintering oven raises, and keeps temperature-resistant 30min, then to rise to temperature according to the temperature rise rate of 45 DEG C/min be 940 DEG C, temperature-resistant sintering, sintering time is 2.5h, then by above-mentioned metallic substance naturally cooling, is prepared as POWDER METALLURGY ALUMINIUM ALLOYS material.
Embodiment 2
(1) raw metal is mixed, by always to measure Cr be 2.4wt%, Ca be 1.5wt%, Mo be 0.3wt%, Cu be 5.9wt%, Ni be 4.6wt%, Ti be 2.8wt%, Eu be 0.2wt%, Ta is 0.3wt%, surplus is Al, by above-mentioned material mixing to evenly; (2) the above-mentioned material ball mill ball milling mixed, the ratio of grinding media to material in ball mill is 30:1, and drum's speed of rotation is 200rpm, and the time of ball milling is 2.5h; (3) be pressed in pressure mould by the metallic substance after ball milling, the compressive load per unit area of mould is 780kgf/cm
2; (4) after metallic substance being pressed into base, Metal Materials At High Temperature is sintered, temperature rise rate is 30 DEG C/min, it is 620 DEG C that the temperature of sintering oven raises, and keeps temperature-resistant 30min, then to rise to temperature according to the temperature rise rate of 45 DEG C/min be 880 DEG C, temperature-resistant sintering, sintering time is 1h, then by above-mentioned metallic substance naturally cooling, is prepared as POWDER METALLURGY ALUMINIUM ALLOYS material.
Embodiment 3
(1) raw metal is mixed, by always to measure Cr be 2.0wt%, Ca be 3wt%, Mo be 0.7wt%, Cu be 8.6wt%, Ni be 5.2wt%, Ti be 1.7wt%, Eu be 0.3wt%, Ta is 0.5wt%, surplus is Al, by above-mentioned material mixing to evenly; (2) the above-mentioned material ball mill ball milling mixed, the ratio of grinding media to material in ball mill is 40:1, and drum's speed of rotation is 200rpm, and the time of ball milling is 3h; (3) be pressed in pressure mould by the metallic substance after ball milling, the compressive load per unit area of mould is 850kgf/cm
2; (4) after metallic substance being pressed into base, Metal Materials At High Temperature is sintered, temperature rise rate is 30 DEG C/min, it is 620 DEG C that the temperature of sintering oven raises, and keeps temperature-resistant 30min, then to rise to temperature according to the temperature rise rate of 45 DEG C/min be 940 DEG C, temperature-resistant sintering, sintering time is 2.5h, then by above-mentioned metallic substance naturally cooling, is prepared as POWDER METALLURGY ALUMINIUM ALLOYS material.
Embodiment 4
(1) raw metal is mixed, by always to measure Cr be 1.3wt%, Ca be 2wt%, Mo be 0.4wt%, Cu be 8.0wt%, Ni be 6.0wt%, Ti be 2.4wt%, Eu be 0.4wt%, Ta is 0.4wt%, surplus is Al, by above-mentioned material mixing to evenly; (2) the above-mentioned material ball mill ball milling mixed, the ratio of grinding media to material in ball mill is 30:1, and drum's speed of rotation is 200rpm, and the time of ball milling is 2.5h; (3) be pressed in pressure mould by the metallic substance after ball milling, the compressive load per unit area of mould is 780kgf/cm
2; (4) after metallic substance being pressed into base, Metal Materials At High Temperature is sintered, temperature rise rate is 30 DEG C/min, it is 620 DEG C that the temperature of sintering oven raises, and keeps temperature-resistant 30min, then to rise to temperature according to the temperature rise rate of 45 DEG C/min be 880 DEG C, temperature-resistant sintering, sintering time is 1h, then by above-mentioned metallic substance naturally cooling, is prepared as POWDER METALLURGY ALUMINIUM ALLOYS material.
Embodiment 5
(1) raw metal is mixed, by always to measure Cr be 1.5wt%, Ca be 2.5wt%, Mo be 0.6wt%, Cu be 8.3wt%, Ni be 5.6wt%, Ti be 2.0wt%, Eu be 0.4wt%, Ta is 0.5wt%, surplus is Al, by above-mentioned material mixing to evenly; (2) the above-mentioned material ball mill ball milling mixed, the ratio of grinding media to material in ball mill is 35:1, and drum's speed of rotation is 200rpm, and the time of ball milling is 3h; (3) be pressed in pressure mould by the metallic substance after ball milling, the compressive load per unit area of mould is 820kgf/cm
2; (4) after metallic substance being pressed into base, Metal Materials At High Temperature is sintered, temperature rise rate is 30 DEG C/min, it is 620 DEG C that the temperature of sintering oven raises, and keeps temperature-resistant 30min, then to rise to temperature according to the temperature rise rate of 45 DEG C/min be 880 DEG C, temperature-resistant sintering, sintering time is 2h, then by above-mentioned metallic substance naturally cooling, is prepared as POWDER METALLURGY ALUMINIUM ALLOYS material.
Comparative example
(1) raw metal is mixed, by always to measure Cr be 0.8wt%, Ca be 3.5wt%, Mo be 0.9wt%, Cu be 9.3wt%, Ni be 6.6wt%, Ti is 1.5wt%, surplus is Al, by above-mentioned material mixing to evenly; (2) the above-mentioned material ball mill ball milling mixed, the ratio of grinding media to material in ball mill is 40:1, and drum's speed of rotation is 200rpm, and the time of ball milling is 3h; (3) be pressed in pressure mould by the metallic substance after ball milling, the compressive load per unit area of mould is 850kgf/cm
2; (4) after metallic substance being pressed into base, Metal Materials At High Temperature is sintered, temperature rise rate is 30 DEG C/min, it is 620 DEG C that the temperature of sintering oven raises, and keeps temperature-resistant 30min, then to rise to temperature according to the temperature rise rate of 45 DEG C/min be 940 DEG C, temperature-resistant sintering, sintering time is 2.5h, then by above-mentioned metallic substance naturally cooling, is prepared as POWDER METALLURGY ALUMINIUM ALLOYS material.
Determine the apparent hardness of the POWDER METALLURGY ALUMINIUM ALLOYS material of the above embodiments and comparative example, ultimate compression strength and tensile strength, result is as following table:
After adding rear Eu and Ta in POWDER METALLURGY ALUMINIUM ALLOYS material of the present invention, its every mechanical property all improves highly significant, expands the range of application of POWDER METALLURGY ALUMINIUM ALLOYS material.
Claims (6)
1. a POWDER METALLURGY ALUMINIUM ALLOYS material, is characterized in that, described POWDER METALLURGY ALUMINIUM ALLOYS material comprises the composition of following weight:
Surplus is Al.
2. a kind of POWDER METALLURGY ALUMINIUM ALLOYS material according to claim 1, is characterized in that, described POWDER METALLURGY ALUMINIUM ALLOYS material comprises the composition of following weight:
Surplus is Al.
3. a preparation method for POWDER METALLURGY ALUMINIUM ALLOYS material, is characterized in that, the preparation method of described POWDER METALLURGY ALUMINIUM ALLOYS material comprises the steps:
(1) raw metal is mixed, by always to measure Cr be 0.8wt%-2.4wt%, Ca be 1.5wt%-3.5wt%, Mo be 0.3wt%-0.9wt%, Cu be 5.9wt%-9.3wt%, Ni be 4.6wt%-6.6wt%, Ti be 1.5wt%-2.8wt%, Eu be 0.2wt%-0.4wt%, Ta is 0.3wt%-0.6wt%, surplus is Al, by above-mentioned material mixing to evenly;
(2) the above-mentioned material ball mill ball milling mixed, the ratio of grinding media to material in ball mill is 30:1-40:1, and drum's speed of rotation is 200rpm, and the time of ball milling is 2.5h-3h;
(3) be pressed in pressure mould by the metallic substance after ball milling, the compressive load per unit area of mould is 780-850kgf/cm
2;
(4) after metallic substance being pressed into base, Metal Materials At High Temperature is sintered, temperature rise rate is 30 DEG C/min, it is 620 DEG C that the temperature of sintering oven raises, and keeps temperature-resistant 30min, then to rise to temperature according to the temperature rise rate of 45 DEG C/min be 880-940 DEG C, temperature-resistant sintering, sintering time is 1h-2.5h, then by above-mentioned metallic substance naturally cooling, is prepared as POWDER METALLURGY ALUMINIUM ALLOYS material.
4. the preparation method of a kind of POWDER METALLURGY ALUMINIUM ALLOYS material according to claim 3, is characterized in that, the ratio of grinding media to material in the preparation method of described POWDER METALLURGY ALUMINIUM ALLOYS material in ball mill is 35:1, and the time of ball milling is 3h.
5. the preparation method of a kind of POWDER METALLURGY ALUMINIUM ALLOYS material according to claim 3, is characterized in that, in the preparation method of described POWDER METALLURGY ALUMINIUM ALLOYS material, the compressive load per unit area of mould is 820kgf/cm
2.
6. the preparation method of a kind of POWDER METALLURGY ALUMINIUM ALLOYS material according to claim 3, is characterized in that, in the preparation method of described POWDER METALLURGY ALUMINIUM ALLOYS material, in sintering oven, the high temperature sintering time is 2h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510102170.5A CN104674073B (en) | 2015-03-09 | 2015-03-09 | A kind of POWDER METALLURGY ALUMINIUM ALLOYS material and preparation method thereof |
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| CN201510102170.5A CN104674073B (en) | 2015-03-09 | 2015-03-09 | A kind of POWDER METALLURGY ALUMINIUM ALLOYS material and preparation method thereof |
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| CN104674073A true CN104674073A (en) | 2015-06-03 |
| CN104674073B CN104674073B (en) | 2016-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109022935A (en) * | 2018-09-12 | 2018-12-18 | 张家港市五湖新材料技术开发有限公司 | A kind of preparation method of aluminium nickel-titanium alloy material |
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| GB1469334A (en) * | 1974-04-16 | 1977-04-06 | Southwire Co | Aluminiuj alloy used for electrical conductors and process for preparing same |
| WO1994012677A1 (en) * | 1992-11-20 | 1994-06-09 | 'techma' Gesellschaft Mit Beschränkter Haftung | Aluminium alloy |
| CN1544677A (en) * | 2003-11-20 | 2004-11-10 | 上海交通大学 | Ultra-fine grain refining agent prefabricated block and process for preparing same |
| CN101984112A (en) * | 2010-12-06 | 2011-03-09 | 西北有色金属研究院 | High thermal conductivity copper-reinforced aluminum composite material and preparation method thereof |
| CN104152735A (en) * | 2014-08-07 | 2014-11-19 | 天津大学 | Method for synthesizing Al-Cu alloy in situ by powder metallurgy |
-
2015
- 2015-03-09 CN CN201510102170.5A patent/CN104674073B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1469334A (en) * | 1974-04-16 | 1977-04-06 | Southwire Co | Aluminiuj alloy used for electrical conductors and process for preparing same |
| WO1994012677A1 (en) * | 1992-11-20 | 1994-06-09 | 'techma' Gesellschaft Mit Beschränkter Haftung | Aluminium alloy |
| CN1544677A (en) * | 2003-11-20 | 2004-11-10 | 上海交通大学 | Ultra-fine grain refining agent prefabricated block and process for preparing same |
| CN101984112A (en) * | 2010-12-06 | 2011-03-09 | 西北有色金属研究院 | High thermal conductivity copper-reinforced aluminum composite material and preparation method thereof |
| CN104152735A (en) * | 2014-08-07 | 2014-11-19 | 天津大学 | Method for synthesizing Al-Cu alloy in situ by powder metallurgy |
Non-Patent Citations (1)
| Title |
|---|
| 王祝堂、田荣璋: "《铝合金及其加工手册》", 30 June 1989, 中南工业大学出版 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109022935A (en) * | 2018-09-12 | 2018-12-18 | 张家港市五湖新材料技术开发有限公司 | A kind of preparation method of aluminium nickel-titanium alloy material |
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| CN104674073B (en) | 2016-11-23 |
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