CN104862549A - Silicon-aluminum intermediate alloy AlSi50 and preparation method thereof - Google Patents
Silicon-aluminum intermediate alloy AlSi50 and preparation method thereof Download PDFInfo
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- CN104862549A CN104862549A CN201510191516.3A CN201510191516A CN104862549A CN 104862549 A CN104862549 A CN 104862549A CN 201510191516 A CN201510191516 A CN 201510191516A CN 104862549 A CN104862549 A CN 104862549A
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 44
- 239000000956 alloy Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 title abstract 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 72
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 72
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 45
- 239000010703 silicon Substances 0.000 claims abstract description 45
- 239000004411 aluminium Substances 0.000 claims description 67
- 239000000203 mixture Substances 0.000 claims description 37
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 claims description 31
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 claims description 31
- 229920001296 polysiloxane Polymers 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- 238000005275 alloying Methods 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910021382 natural graphite Inorganic materials 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 206010017740 Gas poisoning Diseases 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 239000013618 particulate matter Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 14
- 239000003245 coal Substances 0.000 description 6
- 238000003760 magnetic stirring Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- 238000013038 hand mixing Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The invention discloses a silicon-aluminum intermediate alloy AlSi50 and a preparation method thereof. The silicon-aluminum intermediate alloy AlSi50 comprises the following components in percentage by mass: 48-52% of aluminum elements and 48-52% of silicon elements; used raw materials are aluminum ingots with the aluminum content more than 99.70% and silicon with the silicon content more than 99.98%; the mass ratio of the aluminum ingots to the silicon is 100: 92.31-108.33; and the aluminum ingots and the silicon are molten, reacted, sampled, analyzed and cast to obtain the silicon-aluminum intermediate alloy AlSi50. The silicon-aluminum intermediate alloy AlSi50 reduces the open fire risk and the harmful gas poisoning risk, prevents the workshop gas and harmful particle pollution, is free of environmental pollution, shortens the production period, guarantees the alloy component consistency, and improves the quality of the silicon-aluminum intermediate alloy AlSi50; the silicon content of the cast silicon-aluminum intermediate alloy AlSi50 reaches 48-52%, and is two times of the silicon content in a national standard traditional process; and the silicon-aluminum intermediate alloy AlSi50 is complete in performance and excellent in toughness.
Description
Technical field
The present invention relates to the preparation of contained aluminium-base intermediate alloy, specifically a kind of aluminium silicon master alloy AlSi
50and preparation method thereof.
Background technology
In current People's Republic of China's non-ferrous metal industry standard, about the standard of aluminium silicon master alloy, only has aluminium silicon master alloy AlSi
24, AlSi
20and AlSi
12, aluminium silicon master alloy AlSi
24ingredient standard: Si content is 22.0-26.0wt%, surplus is Al, impurity Cu content≤0.20%, Mn content≤0.35%, Ti content≤0.10%, Ni content≤0.20%, Cr content≤0.10%, Fe content≤0.45%, Zn content≤0.20%, Mg content≤0.40%, Pb content≤0.10%, Sn content≤0.10%, temperature of fusion is 700-800 DEG C, has crisp characteristic; Aluminium silicon master alloy AlSi
20ingredient standard: Si content is 18.0-21.0%, surplus is Al, impurity Cu content≤0.20%, Mn content≤0.35%, Ti content≤0.10%, Ni content≤0.20%, Cr content≤0.10%, Fe content≤0.45%, Zn content≤0.20%, Mg content≤0.10%, Pb content≤0.10%, Sn content≤0.10%, temperature of fusion is 640-700 DEG C, has crisp characteristic; Aluminium silicon master alloy AlSi
12ingredient standard: Si content is 11.5-13.0%, surplus is Al, impurity Cu content≤0.30%, Mn content≤0.10%, Ti content≤0.10%, Fe content≤0.35%, Zn content≤0.08%, Sn content≤0.10%, temperature of fusion is 560-620 DEG C, has crisp characteristic.Its production technique of national regulations is: with aluminium ingot and silicon for raw material, first melt aluminium ingot, then add silicon, when reaching the smelting temperature of silicon, hand mixing, does low power analysis, be up to the standards, casting.The silicone content of the aluminium silicon master alloy adopting GB production technique to obtain is lower, and this alloy is more crisp, poor toughness.
Summary of the invention
The object of the present invention is to provide that a kind of silicone content is high, the aluminium silicon master alloy AlSi of good toughness
50and preparation method thereof.
For achieving the above object, the invention provides following technical scheme:
A kind of aluminium silicon master alloy AlSi
50, its mass percent composition is: aluminium element content is 48-52%, silicon content is 48-52%.
As the further scheme of the present invention: described aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and described element silicon is provided by the silicon of silicone content > 99.98%.
As the further scheme of the present invention: described aluminium ingot: the mass ratio of silicon is 100:92.31-108.33.
Described aluminium silicon master alloy AlSi
50preparation method, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the silicon of silicone content > 99.98% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to more than 665 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, continue, with the speed of 10 DEG C/min, heating by electric cooker to be incubated to 1410-1440 DEG C, then the silicon got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and alloying with silicon, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is that the ratio of 100:0.35-0.6 adds catalyzer, and reaction 8-20 minute, skims, then add levelling agent and carry out homogenizing 30-45 minute;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, blend melt is cooled to 700-750 DEG C, casting.
As the further scheme of the present invention: described catalyzer comprises carbonaceous pulvis and carbon dust, the add-on of described carbonaceous pulvis is the 0.1-0.45% of blend melt quality, and the add-on of described zirconium powder is the 0.15-0.25% of blend melt quality.
As the further scheme of the present invention: described carbonaceous pulvis is the one or more kinds of mixtures in gac, carbon black, natural graphite, oildag, crystalline flake graphite.
Compared with prior art, the invention has the beneficial effects as follows: the present invention utilizes electric furnace to carry out the melting of alloy, every pot consuming time 3 hours, once can produce the aluminium silicon master alloy AlSi of 500kg
50, the present invention takes electricity charge low ebb mode of operation, the electric rate of whole day is divided into several interval, and (the 8:00-12:00 electricity charge are 1.38 yuan/degree, the 12:00-17:00 electricity charge are 0.84 yuan/degree, the 17:00-21:00 electricity charge are 1.38 yuan/degree, the 21:00-24:00 electricity charge are 0.84 yuan/degree, the 0:00-8:00 electricity charge are 0.33 yuan/degree, the average electricity charge of whole day are 0.85 yuan), contrast electric cost and burn coal cost known, electric furnace is produced suitable with burning coal cost, but utilize electric furnace to carry out melting, have the following advantages: reduce naked light risk, poisonous gas poisoning risk, avoid the workshop gas that tradition burning coal causes, deleterious particle thing pollutes, environmentally safe, environmental protection, the present invention adopts magnetic stirring equipment to replace hand mixing, and the rotating speed of magnetic stirring equipment is 60r/min, not only shortens the production cycle, especially stirs very even, ensure that aluminium silicon master alloy AlSi
50content consistency, improve aluminium silicon master alloy AlSi
50quality, the present invention casts the aluminium silicon master alloy AlSi obtained
50middle silicone content can reach 48-52%, be 2 times of the old explained hereafter silicone content of GB, and performance is intact, good toughness.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of aluminium silicon master alloy AlSi
50, its mass percent composition is: aluminium element content is 52%, silicon content is 48%.Aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and element silicon is provided by the silicon of silicone content > 99.98%.Aluminium ingot: the mass ratio of silicon is 100:92.31.
Described aluminium silicon master alloy AlSi
50preparation method, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the silicon of silicone content > 99.98% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to more than 665 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, continue, with the speed of 10 DEG C/min, heating by electric cooker to be incubated to 1410-1440 DEG C, then the silicon got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and alloying with silicon, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is the ratio interpolation catalyzer of 100:0.6, catalyzer comprises carbonaceous pulvis and carbon dust, the add-on of carbonaceous pulvis is 0.45% of blend melt quality, the add-on of zirconium powder is 0.15% of blend melt quality, and carbonaceous pulvis is natural graphite, reaction 8-20 minute, skim, then add levelling agent and carry out homogenizing 30-45 minute;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, blend melt is cooled to 700-750 DEG C, casting.
Embodiment 2
In the embodiment of the present invention, a kind of aluminium silicon master alloy AlSi
50, its mass percent composition is: aluminium element content is 50%, silicon content is 50%.Aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and element silicon is provided by the silicon of silicone content > 99.98%.Aluminium ingot: the mass ratio of silicon is 100:100.
Described aluminium silicon master alloy AlSi
50preparation method, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the silicon of silicone content > 99.98% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to more than 665 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, continue, with the speed of 10 DEG C/min, heating by electric cooker to be incubated to 1410-1440 DEG C, then the silicon got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and alloying with silicon, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is the ratio interpolation catalyzer of 100:0.35, catalyzer comprises carbonaceous pulvis and carbon dust, the add-on of carbonaceous pulvis is 0.1% of blend melt quality, the add-on of zirconium powder is 0.25% of blend melt quality, and carbonaceous pulvis is crystalline flake graphite, reaction 8-20 minute, skim, then add levelling agent and carry out homogenizing 30-45 minute;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, blend melt is cooled to 700-750 DEG C, casting.
Embodiment 3
In the embodiment of the present invention, a kind of aluminium silicon master alloy AlSi
50, its mass percent composition is: aluminium element content is 48%, silicon content is 52%.Aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and element silicon is provided by the silicon of silicone content > 99.98%.Aluminium ingot: the mass ratio of silicon is 100:108.33.
Described aluminium silicon master alloy AlSi
50preparation method, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the silicon of silicone content > 99.98% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to more than 665 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, continue, with the speed of 10 DEG C/min, heating by electric cooker to be incubated to 1410-1440 DEG C, then the silicon got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and alloying with silicon, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is the ratio interpolation catalyzer of 100:0.48, catalyzer comprises carbonaceous pulvis and carbon dust, the add-on of carbonaceous pulvis is 0.3% of blend melt quality, the add-on of zirconium powder is 0.18% of blend melt quality, and carbonaceous pulvis is oildag, reaction 8-20 minute, skim, then add levelling agent and carry out homogenizing 30-45 minute;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, blend melt is cooled to 700-750 DEG C, casting.
The present invention utilizes electric furnace to carry out the melting of alloy, and every pot consuming time 3 hours, once can produce the aluminium silicon master alloy AlSi of 500kg
50, the present invention takes electricity charge low ebb mode of operation, the electric rate of whole day is divided into several interval, and (the 8:00-12:00 electricity charge are 1.38 yuan/degree, the 12:00-17:00 electricity charge are 0.84 yuan/degree, the 17:00-21:00 electricity charge are 1.38 yuan/degree, the 21:00-24:00 electricity charge are 0.84 yuan/degree, the 0:00-8:00 electricity charge are 0.33 yuan/degree, the average electricity charge of whole day are 0.85 yuan), contrast electric cost and burn coal cost known, electric furnace is produced suitable with burning coal cost, but utilize electric furnace to carry out melting, have the following advantages: reduce naked light risk, poisonous gas poisoning risk, avoid the workshop gas that tradition burning coal causes, deleterious particle thing pollutes, environmentally safe, environmental protection.
The present invention adopts magnetic stirring equipment to replace hand mixing, and the rotating speed of magnetic stirring equipment is 60r/min, not only shortens the production cycle, especially stirs very even, ensure that aluminium silicon master alloy AlSi
50content consistency, improve aluminium silicon master alloy AlSi
50quality.
The present invention casts the aluminium silicon master alloy AlSi obtained
50middle silicone content can reach 48-52%, be 2 times of the old explained hereafter silicone content of GB, and performance is intact, good toughness.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. an aluminium silicon master alloy AlSi
50, it is characterized in that, its mass percent composition is: aluminium element content is 48-52%, silicon content is 48-52%.
2. aluminium silicon master alloy AlSi according to claim 1
50, it is characterized in that, described aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and described element silicon is provided by the silicon of silicone content > 99.98%.
3. aluminium silicon master alloy AlSi according to claim 2
50, it is characterized in that, described aluminium ingot: the mass ratio of silicon is 100:92.31-108.33.
4. one kind as arbitrary in claim 1-3 as described in aluminium silicon master alloy AlSi
50preparation method, it is characterized in that, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the silicon of silicone content > 99.98% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to more than 665 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, continue, with the speed of 10 DEG C/min, heating by electric cooker to be incubated to 1410-1440 DEG C, then the silicon got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and alloying with silicon, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is that the ratio of 100:0.35-0.6 adds catalyzer, and reaction 8-20 minute, skims, then add levelling agent and carry out homogenizing 30-45 minute;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, blend melt is cooled to 700-750 DEG C, casting.
5. aluminium silicon master alloy AlSi according to claim 4
50preparation method, it is characterized in that, described catalyzer comprises carbonaceous pulvis and carbon dust, and the add-on of described carbonaceous pulvis is the 0.1-0.45% of blend melt quality, and the add-on of described zirconium powder is the 0.15-0.25% of blend melt quality.
6. aluminium silicon master alloy AlSi according to claim 5
50preparation method, it is characterized in that, described carbonaceous pulvis is the one or more kinds of mixtures in gac, carbon black, natural graphite, oildag, crystalline flake graphite.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543517A (en) * | 2015-12-18 | 2016-05-04 | 西南铝业（集团）有限责任公司 | Preparation method for aluminum-silicon intermediate alloy |
| CN109439974A (en) * | 2018-12-19 | 2019-03-08 | 东北大学 | A kind of silumin thin plate preparation process |
| CN111378887A (en) * | 2020-02-28 | 2020-07-07 | 深圳市新星轻合金材料股份有限公司 | Silicon-aluminum alloy and preparation method thereof |
| CN111531135A (en) * | 2020-06-01 | 2020-08-14 | 昆明冶金高等专科学校 | Production process of aluminum-silicon intermediate alloy |
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|---|---|---|---|---|
| CN1149893A (en) * | 1994-06-07 | 1997-05-14 | 扬·斯塔波夫 | Method for preparing silicon metal, aluminum silicon and aluminum metal |
| CN101509089A (en) * | 2008-12-30 | 2009-08-19 | 毕祥玉 | Intermediate Al-Si alloy and method of manufacturing the same |
| CN104388769A (en) * | 2014-10-31 | 2015-03-04 | 抚顺东工冶金材料技术有限公司 | High-purity aluminum-silicon (Al-Si) intermediate alloy and production method thereof |
-
2015
- 2015-04-22 CN CN201510191516.3A patent/CN104862549A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149893A (en) * | 1994-06-07 | 1997-05-14 | 扬·斯塔波夫 | Method for preparing silicon metal, aluminum silicon and aluminum metal |
| CN101509089A (en) * | 2008-12-30 | 2009-08-19 | 毕祥玉 | Intermediate Al-Si alloy and method of manufacturing the same |
| CN104388769A (en) * | 2014-10-31 | 2015-03-04 | 抚顺东工冶金材料技术有限公司 | High-purity aluminum-silicon (Al-Si) intermediate alloy and production method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543517A (en) * | 2015-12-18 | 2016-05-04 | 西南铝业（集团）有限责任公司 | Preparation method for aluminum-silicon intermediate alloy |
| CN105543517B (en) * | 2015-12-18 | 2018-01-26 | 西南铝业（集团）有限责任公司 | A kind of aluminium silicon intermediate alloy preparation method |
| CN109439974A (en) * | 2018-12-19 | 2019-03-08 | 东北大学 | A kind of silumin thin plate preparation process |
| CN111378887A (en) * | 2020-02-28 | 2020-07-07 | 深圳市新星轻合金材料股份有限公司 | Silicon-aluminum alloy and preparation method thereof |
| CN111531135A (en) * | 2020-06-01 | 2020-08-14 | 昆明冶金高等专科学校 | Production process of aluminum-silicon intermediate alloy |
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Application publication date: 20150826 |