CN107937723A - A kind of aluminium scrap casts secondary aluminium alloy method - Google Patents
A kind of aluminium scrap casts secondary aluminium alloy method Download PDFInfo
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- CN107937723A CN107937723A CN201711179912.XA CN201711179912A CN107937723A CN 107937723 A CN107937723 A CN 107937723A CN 201711179912 A CN201711179912 A CN 201711179912A CN 107937723 A CN107937723 A CN 107937723A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
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- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- 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
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention discloses a kind of aluminium scrap to cast secondary aluminium alloy method, belongs to metal smelt technical field, the composition of aluminium scrap raw material and mass percent are used in this method：20~35% junked-auto engine cylinder body, 15~25% junked-auto wheel hub, 10~20% waste and old tap, 10~20% waste electrical equipment heat-generating disc, surplus are aluminium alloy compression casting waste material.The present invention is using aluminium scrap as main raw material(s), by the high performance cast aluminium alloy gold of composition Direct Regeneration for optimizing aluminium scrap raw material, improve the use value of aluminium scrap, reduce the production cost of cast aluminium alloy gold, the high performance casting aluminium alloy of production can be used for the fields such as automobile, motorcycle, have broad application prospects.
Description
Technical field
The invention belongs to metal smelt technical field, and specifically, more particularly to a kind of aluminium scrap casts secondary aluminium alloy side
Method.
Background technology
Cast aluminium alloy gold is the aluminium alloy that available casting forming process directly obtains part.Cast aluminium alloy gold is to apply at present
Widest one kind non-ferrous metal structural material, is largely used to the fields such as household electrical appliances, hardware, automobile, ship, mechanized equipment.With
The rapid development of China's economic society, it is increasing to the demand of high performance casting aluminium alloy.
Literature retrieval is found, the prior art mainly using primary aluminium as raw material, adds during melting and casting
The alloying elements such as silicon, copper, magnesium, zinc prepare cast aluminium alloy gold.It is well known that primary aluminium is obtained by alumina eltrolysis, and oxygen
The electrolysis for changing aluminium belongs to high energy consumption industry, exploitation and alumina producing along with bauxite resource, causes the production of primary aluminium to need
Substantial amounts of coal resources are consumed, while can also discharge substantial amounts of carbon dioxide, dust and solid waste, cause serious ring
Border is polluted, and the production cost for ultimately resulting in cast aluminium alloy gold is higher.
China is the production and consumption big country of aluminium and aluminium alloy, and substantial amounts of aluminium scrap is endlessly produced per annual meeting.Utilize
Aluminium scrap carrys out secondary aluminium alloy, can significantly reduce the production cost of aluminium alloy, and reduces consumption and the titanium dioxide of coal resources
The discharge of carbon, dust and solid waste.But the most aluminium scrap in current China is mainly used for regeneration hardware to be added with low
The alloying element such as the cast aluminium alloy gold of value, the silicon contained in aluminium scrap, copper, magnesium, zinc is utilized effectively, and causes resource
Huge waste.Therefore, using the high performance casting aluminium alloy of aluminium scrap Direct Regeneration high added value, valency is used for raising aluminium scrap
Value, the production cost of reduction cast aluminium alloy gold, which all have, to be of great significance.
The content of the invention
The object of the present invention is to provide a kind of aluminium scrap cast secondary aluminium alloy method, using aluminium scrap as main raw material(s) directly again
The high performance casting aluminium alloy of raw high added value, can greatly improve the use value of aluminium scrap, and reduce the life of cast aluminium alloy gold
Produce cost.
To achieve the above object, the present invention uses following technical scheme：
A kind of aluminium scrap casts secondary aluminium alloy method, and the composition of aluminium scrap raw material and mass percent are used in this method：
20~35% junked-auto engine cylinder body, 15~25% junked-auto wheel hub, 10~20% waste and old tap, 10~
20% waste electrical equipment heat-generating disc, surplus are aluminium alloy compression casting waste material；
The chemical composition and mass percent of the junked-auto engine cylinder body be：Si10.5~13.5%, Mg0.5~
1.5%, Cu0.5~1.5%, Mn≤0.9%, Fe≤0.9%, Zn≤0.2%, Ti≤0.25%, surplus Al；
The chemical composition and mass percent of the junked-auto wheel hub be：Si4.5~7.5%, Mg0.3~0.6%,
Cu0.5~1.0%, Mn≤0.7%, Fe≤0.8%, Zn≤0.1%, Ti≤0.2%, surplus Al；
The chemical composition and mass percent of the waste and old tap be：Mg0.3~0.8%, Ti0.1~0.25%, Si
≤ 0.4%, Cu≤0.2%, Mn≤0.3%, Fe≤0.7%, surplus Al；
The chemical composition and mass percent of the waste electrical equipment heat-generating disc be：Cu3.5~5.5%, Mn0.5~1.0%,
Ti0.15~0.35%, Zn≤0.5%, Mg≤0.45%, Si≤0.4%, Fe≤0.55%, surplus Al；
The chemical composition and mass percent of the aluminium alloy compression casting waste material be：Si2.5~4.5%, Mg2.5~3.5%,
Cu1.5~2.5%, Zn1.5~3.5%, Mn≤0.5%, Fe≤0.6%, Ti≤0.2%, surplus Al；
This method comprises the following steps：
Step 1：By above-mentioned junked-auto engine cylinder body, junked-auto wheel hub, waste and old tap, waste electrical equipment fever
Disk and aluminium alloy compression casting waste material are fused into aluminum alloy melt in 700~780 DEG C of heating；
Step 2：With accounting for the aluminum titanium alloy and 0.1~0.3% that aluminium scrap raw material gross mass percentage is 0.2~0.5%
Al-sr alloy carries out fine degenerate processing to aluminum alloy melt；
Step 3：Essence is carried out to aluminum alloy melt with the refining agent that aluminium scrap raw material gross mass percentage is 0.3~1.5% is accounted for
Refining degasification removes Slag treatment；
Step 4：Aluminum alloy melt after processing is cast as cast aluminium alloy gold under the conditions of 660~760 DEG C；
Step 5：By cast aluminium alloy gold when 450~490 DEG C of solid solutions 3~6 are small, in 135~155 DEG C of timeliness 12 after water quenching
~24 it is small when, satisfactory cast aluminium alloy gold is obtained after furnace cooling.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is with junked-auto engine cylinder body, junked-auto wheel hub, waste and old tap, waste electrical equipment heat-generating disc and aluminium
Alloy die cast waste material is main raw material(s), by optimizing the composition of aluminium scrap raw material, add micro titanium, strontium element to silicon mutually into
Row fine degenerate processing Direct Regeneration high added value, high performance cast aluminium alloy gold.Compared with prior art, it is former used in the present invention
Material is mainly aluminium scrap, both without primary aluminium is used, also without alloying elements such as addition copper, magnesium, silicon, zinc, therefore with relatively low
Production cost, lower than the production cost of the prior art more than 35%.The present invention improves the use value of aluminium scrap, reduces casting
The production cost of aluminium alloy is made, the high performance casting aluminium alloy of production can be extensively using automobile, motorcycle, high-end mechanized equipment etc.
Field, has broad application prospects.
Embodiment
Below by specific embodiment, the invention will be further described.
Embodiment 1：
The composition and mass percent of aluminium scrap raw material be：35% junked-auto engine cylinder body (chemical composition and matter
Measuring percentage is：Si10.5~13.5%, Mg0.5~1.5%, Cu0.5~1.5%, Mn≤0.9%, Fe≤0.9%, Zn≤
0.2%, Ti≤0.25%, surplus Al), (chemical composition and mass percent are 25% waste and old bike wheel：Si4.5
~7.5%, Mg0.3~0.6%, Cu0.5~1.0%, Mn≤0.7%, Fe≤0.8%, Zn≤0.1%, Ti≤0.2% are remaining
Measure as Al), (chemical composition and mass percent are 10% waste and old tap：Mg0.3~0.8%, Ti0.1~0.25%, Si
≤ 0.4%, Cu≤0.2%, Mn≤0.3%, Fe≤0.7%, surplus Al), 10% waste electrical equipment heat-generating disc (chemical composition
And mass percent is：Cu3.5~5.5%, Mn0.5~1.0%, Ti0.15~0.35%, Zn≤0.5%, Mg≤0.45%,
Si≤0.4%, Fe≤0.55%, surplus Al) and 20% aluminium alloy compression casting waste material (chemical composition and mass percent are：
Si2.5~4.5%, Mg2.5~3.5%, Cu1.5~2.5%, Zn1.5~3.5%, Mn≤0.5%, Fe≤0.6%, Ti≤
0.2%, surplus Al).
The aluminium scrap renovation process of cast aluminium alloy gold, specifically comprises the steps of：
Step 1：By above-mentioned junked-auto engine cylinder body, junked-auto wheel hub, waste and old tap, waste electrical equipment fever
Disk and aluminium alloy compression casting waste material are fused into aluminum alloy melt in 700 DEG C of heating；
Step 2：Aluminium is closed for 0.5% aluminum titanium alloy and 0.3% aluminium strontium with aluminium scrap raw material gross mass percentage is accounted for
Golden liquid carries out fine degenerate processing；
Step 3：Refining is carried out to aluminum alloy melt removed with the refining agent that aluminium scrap raw material gross mass percentage is 0.3% is accounted for
Gas removes Slag treatment；
Step 4：Aluminum alloy melt after processing is cast as cast aluminium alloy gold under the conditions of 660 DEG C；
Step 5：By cast aluminium alloy gold when 450 DEG C of solid solutions 6 are small, after water quenching when 135 DEG C of timeliness 24 are small, furnace cooling
After obtain satisfactory cast aluminium alloy gold.
Embodiment 2：
The composition and mass percent of aluminium scrap raw material be：20% junked-auto engine cylinder body (chemical composition and matter
Measuring percentage is：Si10.5~13.5%, Mg0.5~1.5%, Cu0.5~1.5%, Mn≤0.9%, Fe≤0.9%, Zn≤
0.2%, Ti≤0.25%, surplus Al), (chemical composition and mass percent are 15% junked-auto wheel hub：Si4.5~
7.5%, Mg0.3~0.6%, Cu0.5~1.0%, Mn≤0.7%, Fe≤0.8%, Zn≤0.1%, Ti≤0.2%, surplus
For Al), (chemical composition and mass percent are 20% waste and old tap：Mg0.3~0.8%, Ti0.1~0.25%, Si≤
0.4%, Cu≤0.2%, Mn≤0.3%, Fe≤0.7%, surplus Al), 10% waste electrical equipment heat-generating disc (chemical composition and
Mass percent is：Cu3.5~5.5%, Mn0.5~1.0%, Ti0.15~0.35%, Zn≤0.5%, Mg≤0.45%, Si
≤ 0.4%, Fe≤0.55%, surplus Al) and 35% aluminium alloy compression casting waste material (chemical composition and mass percent are：
Si2.5~4.5%, Mg2.5~3.5%, Cu1.5~2.5%, Zn1.5~3.5%, Mn≤0.5%, Fe≤0.6%, Ti≤
0.2%, surplus Al).
The aluminium scrap renovation process of cast aluminium alloy gold, specifically comprises the steps of：
Step 1：By above-mentioned junked-auto engine cylinder body, junked-auto wheel hub, waste and old tap, waste electrical equipment fever
Disk and aluminium alloy compression casting waste material are fused into aluminum alloy melt in 780 DEG C of heating；
Step 2：With account for aluminium scrap raw material gross mass percentage be 0.2% aluminum titanium alloy and 0.1% al-sr alloy pair
Aluminum alloy melt carries out fine degenerate processing；
Step 3：Refining is carried out to aluminum alloy melt removed with the refining agent that aluminium scrap raw material gross mass percentage is 1.5% is accounted for
Gas removes Slag treatment；
Step 4：Aluminum alloy melt after processing is cast as cast aluminium alloy gold under the conditions of 760 DEG C；
Step 5：By cast aluminium alloy gold when 490 DEG C of solid solutions 3 are small, after water quenching when 155 DEG C of timeliness 12 are small, furnace cooling
After obtain satisfactory cast aluminium alloy gold.
Embodiment 3：
The composition and mass percent of aluminium scrap raw material be：25% junked-auto engine cylinder body (chemical composition and matter
Measuring percentage is：Si10.5~13.5%, Mg0.5~1.5%, Cu0.5~1.5%, Mn≤0.9%, Fe≤0.9%, Zn≤
0.2%, Ti≤0.25%, surplus Al), (chemical composition and mass percent are 20% junked-auto wheel hub：Si4.5~
7.5%, Mg0.3~0.6%, Cu0.5~1.0%, Mn≤0.7%, Fe≤0.8%, Zn≤0.1%, Ti≤0.2%, surplus
For Al), (chemical composition and mass percent are 15% waste and old tap：Mg0.3~0.8%, Ti0.1~0.25%, Si≤
0.4%, Cu≤0.2%, Mn≤0.3%, Fe≤0.7%, surplus Al), 15% waste electrical equipment heat-generating disc (chemical composition and
Mass percent is：Cu3.5~5.5%, Mn0.5~1.0%, Ti0.15~0.35%, Zn≤0.5%, Mg≤0.45%, Si
≤ 0.4%, Fe≤0.55%, surplus Al) and 25% aluminium alloy compression casting waste material (chemical composition and mass percent are：
Si2.5~4.5%, Mg2.5~3.5%, Cu1.5~2.5%, Zn1.5~3.5%, Mn≤0.5%, Fe≤0.6%, Ti≤
0.2%, surplus Al).
The aluminium scrap renovation process of cast aluminium alloy gold, specifically comprises the steps of：
Step 1：By above-mentioned junked-auto engine cylinder body, junked-auto wheel hub, waste and old tap, waste electrical equipment fever
Disk and aluminium alloy compression casting waste material are fused into aluminum alloy melt in 760 DEG C of heating；
Step 2：With account for aluminium scrap raw material gross mass percentage be 0.3% aluminum titanium alloy and 0.2% al-sr alloy pair
Aluminum alloy melt carries out fine degenerate processing；
Step 3：Refining is carried out to aluminum alloy melt removed with the refining agent that aluminium scrap raw material gross mass percentage is 0.9% is accounted for
Gas removes Slag treatment；
Step 4：Aluminum alloy melt after processing is cast as cast aluminium alloy gold under the conditions of 740 DEG C；
Step 5：By cast aluminium alloy gold when 465 DEG C of solid solutions 4.5 are small, after water quenching when 145 DEG C of timeliness 18 are small, with furnace cooling
But satisfactory cast aluminium alloy gold is obtained afterwards.
The present invention is described by embodiment, but is not limited the invention, with reference to description of the invention, institute
Other changes of disclosed embodiment, are such as readily apparent that, such change should belong to for the professional person of this area
Within the scope of the claims in the present invention limit.
Claims (1)
1. a kind of aluminium scrap casts secondary aluminium alloy method, it is characterised in that：The composition and quality of aluminium scrap raw material used in this method
Percentage is：20~35% junked-auto engine cylinder body, 15~25% junked-auto wheel hub, 10~20% waste and old water
Tap, 10~20% waste electrical equipment heat-generating disc, surplus are aluminium alloy compression casting waste material；
The chemical composition and mass percent of the junked-auto engine cylinder body be：Si 10.5~13.5%, Mg 0.5~
1.5%, Cu 0.5~1.5%, Mn≤0.9%, Fe≤0.9%, Zn≤0.2%, Ti≤0.25%, surplus Al；
The chemical composition and mass percent of the junked-auto wheel hub be：Si 4.5~7.5%, Mg 0.3~0.6%, Cu
0.5~1.0%, Mn≤0.7%, Fe≤0.8%, Zn≤0.1%, Ti≤0.2%, surplus Al；
The chemical composition and mass percent of the waste and old tap be：Mg 0.3~0.8%, Ti 0.1~0.25%, Si≤
0.4%, Cu≤0.2%, Mn≤0.3%, Fe≤0.7%, surplus Al；
The chemical composition and mass percent of the waste electrical equipment heat-generating disc be：Cu 3.5~5.5%, Mn 0.5~1.0%, Ti
0.15~0.35%, Zn≤0.5%, Mg≤0.45%, Si≤0.4%, Fe≤0.55%, surplus Al；
The chemical composition and mass percent of the aluminium alloy compression casting waste material be：Si 2.5~4.5%, Mg 2.5~3.5%, Cu
1.5~2.5%, Zn 1.5~3.5%, Mn≤0.5%, Fe≤0.6%, Ti≤0.2%, surplus Al；
This method comprises the following steps：
Step 1：By above-mentioned junked-auto engine cylinder body, junked-auto wheel hub, waste and old tap, waste electrical equipment heat-generating disc and
Aluminium alloy compression casting waste material is fused into aluminum alloy melt in 700~780 DEG C of heating；
Step 2：With account for aluminium scrap raw material gross mass percentage be 0.2~0.5% aluminum titanium alloy and 0.1~0.3% aluminium strontium
Alloy carries out fine degenerate processing to aluminum alloy melt；
Step 3：Refining is carried out to aluminum alloy melt removed with the refining agent that aluminium scrap raw material gross mass percentage is 0.3~1.5% is accounted for
Gas removes Slag treatment；
Step 4：Aluminum alloy melt after processing is cast as cast aluminium alloy gold under the conditions of 660~760 DEG C；
Step 5：By cast aluminium alloy gold when 450~490 DEG C of solid solutions 3~6 are small, in 135~155 DEG C of timeliness 12~24 after water quenching
Hour, satisfactory cast aluminium alloy gold is obtained after furnace cooling.
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| CN201711179912.XA CN107937723A (en) | 2017-11-23 | 2017-11-23 | A kind of aluminium scrap casts secondary aluminium alloy method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109628782A (en) * | 2019-01-31 | 2019-04-16 | 北京科技大学 | A method of aerolite is scrapped without sorting preparation 7XXX line aluminium alloy cast ingot |
| CN110564983A (en) * | 2019-10-16 | 2019-12-13 | 南通众福新材料科技有限公司 | Aluminum-silicon-copper cast aluminum alloy and production method thereof |
| CN112280985A (en) * | 2020-10-07 | 2021-01-29 | 东北大学 | Method for manufacturing high-strength and high-toughness aluminum alloy by adopting recycled aluminum |
| CN112853146A (en) * | 2020-12-30 | 2021-05-28 | 福建科源新材料股份有限公司 | Method for removing residual Sr in regenerated aluminum-silicon alloy |
| CN113423853A (en) * | 2019-02-08 | 2021-09-21 | 麦格纳国际公司 | Aluminum alloy for structural high pressure vacuum die casting applications |
| CN115156236A (en) * | 2022-02-22 | 2022-10-11 | 镇江市金华铝业有限公司 | Method for regenerating and recycling scrap of aluminum alloy waste |
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| CN106282622A (en) * | 2016-10-17 | 2017-01-04 | 广东省材料与加工研究所 | A kind of aluminium scrap renovation process of Cast aluminium alloy gold |
| CN106498202A (en) * | 2016-10-17 | 2017-03-15 | 广东省材料与加工研究所 | A kind of aluminium scrap renovation process of wrought aluminium alloy |
| CN106566935A (en) * | 2016-10-17 | 2017-04-19 | 广州金邦液态模锻技术有限公司 | A liquid die forging aluminium alloy and a preparing method thereof |
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| CN106282622A (en) * | 2016-10-17 | 2017-01-04 | 广东省材料与加工研究所 | A kind of aluminium scrap renovation process of Cast aluminium alloy gold |
| CN106498202A (en) * | 2016-10-17 | 2017-03-15 | 广东省材料与加工研究所 | A kind of aluminium scrap renovation process of wrought aluminium alloy |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109628782A (en) * | 2019-01-31 | 2019-04-16 | 北京科技大学 | A method of aerolite is scrapped without sorting preparation 7XXX line aluminium alloy cast ingot |
| CN113423853A (en) * | 2019-02-08 | 2021-09-21 | 麦格纳国际公司 | Aluminum alloy for structural high pressure vacuum die casting applications |
| CN113423853B (en) * | 2019-02-08 | 2022-11-15 | 麦格纳国际公司 | Aluminum Alloys for Structural High Pressure Vacuum Die Casting Applications |
| CN110564983A (en) * | 2019-10-16 | 2019-12-13 | 南通众福新材料科技有限公司 | Aluminum-silicon-copper cast aluminum alloy and production method thereof |
| CN112280985A (en) * | 2020-10-07 | 2021-01-29 | 东北大学 | Method for manufacturing high-strength and high-toughness aluminum alloy by adopting recycled aluminum |
| CN112280985B (en) * | 2020-10-07 | 2022-03-18 | 东北大学 | Method for manufacturing high-strength and high-toughness aluminum alloy by adopting recycled aluminum |
| CN112853146A (en) * | 2020-12-30 | 2021-05-28 | 福建科源新材料股份有限公司 | Method for removing residual Sr in regenerated aluminum-silicon alloy |
| CN115156236A (en) * | 2022-02-22 | 2022-10-11 | 镇江市金华铝业有限公司 | Method for regenerating and recycling scrap of aluminum alloy waste |
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