CN111057894A - Novel metal composite additive for aluminum alloy smelting and preparation method thereof - Google Patents
Novel metal composite additive for aluminum alloy smelting and preparation method thereof Download PDFInfo
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- CN111057894A CN111057894A CN202010014484.0A CN202010014484A CN111057894A CN 111057894 A CN111057894 A CN 111057894A CN 202010014484 A CN202010014484 A CN 202010014484A CN 111057894 A CN111057894 A CN 111057894A
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- aluminum alloy
- metal composite
- composite additive
- novel metal
- additive
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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
- 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
- C22C21/00—Alloys based on aluminium
Abstract
The invention discloses a novel metal composite additive for aluminum alloy smelting and a preparation method thereof, wherein the novel metal composite additive for aluminum alloy smelting comprises the following raw materials: 70-80% of metal powder, 1-3% of high-grade stearic acid and the balance of cosolvent by mass, wherein the sum of the components is 100%. The preparation method comprises the steps of uniformly mixing the raw materials in the formula ratio, and then pressing and molding to obtain the target product. The invention changes the formula of the fluxing agent in the metal additive, so that the metal additive has the functions of refining and deslagging the molten aluminum while adding metal elements, can effectively remove impurities and gas in the molten aluminum, improves the microstructure of cast ingots after the aluminum alloy is smelted, and realizes the organic combination of metal element addition, deslagging and refining.
Description
Technical Field
The invention belongs to the technical field of metallurgy, and particularly relates to a novel metal composite additive for aluminum alloy smelting and a preparation method thereof.
Background
In the aluminum-aluminum alloy smelting process, the component composition of the aluminum alloy is mainly adjusted by adding metal additives such as titanium, copper, manganese, iron and the like at present, a commonly used fluxing agent for the metal additives is mainly villiaumite or a mixture of villiaumite and villiaumite, the fluxing agent only plays a role in accelerating the smelting of the metal additives, a large amount of smoke is generated in the using process, the environment is polluted, the health of operators is influenced, a certain amount of slag striking agent and refining agent are required to be added respectively after the aluminum alloy smelting is finished, impurities and gas in the aluminum liquid are removed, and the production cost is increased. Therefore, it is necessary to develop a product capable of solving the above technical problems.
Disclosure of Invention
The first purpose of the invention is to provide a novel metal composite additive for smelting aluminum alloy; the second purpose is to provide a preparation method of the novel metal composite additive for smelting the aluminum alloy.
The first purpose of the invention is realized by that the raw materials of the novel metal composite additive for smelting the aluminum alloy comprise: 70-80% of metal powder, 1-3% of high-grade stearic acid and the balance of cosolvent by mass, wherein the sum of the components is 100%.
The second purpose of the invention is realized by uniformly mixing the raw materials in the formula ratio and then pressing and molding to obtain the target product.
The invention provides a novel metal composite additive for aluminum alloy smelting, aiming at solving the problems of the existing metal element additive in the aluminum alloy smelting process, and the invention discloses a novel metal composite additive for aluminum alloy smelting, which comprises the following components: 60 to 80 percent of metal powder, 1 to 3 percent of higher stearic acid and the balance of fluxing agent, wherein the sum of the components is 100 percent. The metal powder is one or more of titanium, copper, manganese and iron, the purity is not less than 99 percent, and the fluxing agent is MgCl2，KCl、K3AlF6And a mixed powder of rare earth. The invention changes the formula of the fluxing agent in the metal additive, so that the metal additive has the functions of refining and deslagging the molten aluminum while adding metal elements, can effectively remove impurities and gas in the molten aluminum, improves the microstructure of cast ingots after the aluminum alloy is smelted, and realizes the organic combination of metal element addition, deslagging and refining.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to be limiting in any way, and any modifications or alterations based on the teachings of the present invention are intended to fall within the scope of the present invention.
The novel metal composite additive for smelting the aluminum alloy comprises the following raw materials: 70-80% of metal powder, 1-3% of high-grade stearic acid and the balance of cosolvent by mass, wherein the sum of the components is 100%.
The metal powder is one or more of titanium, copper, manganese and iron powder.
The purity of the metal powder is not less than 99%.
The granularity of the metal powder is 70-90 meshes.
The cosolvent is MgCl2、KCl、K3AlF6And a mixed powder of rare earth.
Said MgCl2、KCl、K3AlF6And the rare earth accounts for 5-7% of the novel metal composite additive for aluminum alloy smelting, 8-10% of the novel metal composite additive, 3-5% of the novel metal composite additive and 0.1-0.2% of the novel metal composite additive.
The rare earth is lanthanum and/or cerium.
The preparation method of the novel metal composite additive for aluminum alloy smelting provided by the invention is characterized in that all raw materials in the formula ratio are uniformly mixed and then are pressed and molded to obtain a target object.
The invention is further illustrated by the following specific examples:
example 1
Manganese additive
Proportioning: metal manganese powder: 80%, higher stearic acid: 1.8% of MgCl2：6%，KCl：9%，K3AlF6: 3%, lanthanum: 0.2 percent, the granularity of the metal manganese powder is 80 meshes, and the purity is 99 percent.
The process comprises the following steps: mixing the materials according to the proportion, uniformly mixing, then pressing and molding in a specific mold, and carrying out vacuum sealing and packaging.
Example 2
Titanium additive
Proportioning: metal titanium powder: 75%, higher stearic acid: 2.8% of MgCl2：7%，KCl：10%，K3AlF6: 5%, lanthanum: 0.2 percent, the granularity of the metal manganese powder is 80 meshes, and the purity is 99 percent.
The process comprises the following steps: mixing the materials according to the proportion, uniformly mixing, then pressing and molding in a specific mold, and carrying out vacuum sealing and packaging.
Example 3
Copper additive
Proportioning: metal copper powder: 80%, higher stearic acid: 2% of MgCl2：5%，KCl：7.8%，K3AlF6：5%0.2% of mixed rare earth of lanthanum and cerium, 80-mesh granularity of copper powder and 99% purity.
The process comprises the following steps: mixing the materials according to the proportion, uniformly mixing, then pressing and molding in a specific mold, and carrying out vacuum sealing and packaging.
Example 4
Iron additive
Proportioning: metal iron powder: 75%, higher stearic acid: 3% of MgCl2：7%，KCl：10%，K3AlF6: 4.8 percent of lanthanum-cerium mixed rare earth, 0.2 percent of lanthanum-cerium mixed rare earth, 80 meshes of metal manganese powder granularity and 99.5 percent of purity.
The process comprises the following steps: mixing the materials according to the proportion, uniformly mixing, then pressing and molding in a specific mold, and carrying out vacuum sealing and packaging.
Claims (8)
1. The novel metal composite additive for aluminum alloy smelting is characterized by comprising the following raw materials in parts by weight: 70-80% of metal powder, 1-3% of high-grade stearic acid and the balance of cosolvent by mass, wherein the sum of the components is 100%.
2. The novel metal composite additive for smelting aluminum alloy as claimed in claim 1, wherein the metal powder is one or more of titanium, copper, manganese and iron powder.
3. The novel metal composite additive for aluminum alloy melting as set forth in claim 1 or 2, wherein the purity of said metal powder is not less than 99%.
4. The novel metal composite additive for aluminum alloy melting as set forth in claim 1 or 2, wherein the particle size of the metal powder is 70 to 90 mesh.
5. The new-type metal complex additive for aluminum alloy melting as set forth in claim 1, wherein said cosolvent is MgCl2、KCl、K3AlF6And a mixed powder of rare earth.
6. The novel metal complex additive for aluminum alloy melting as set forth in claim 5, wherein said MgCl is2、KCl、K3AlF6And the rare earth accounts for 5-7% of the novel metal composite additive for aluminum alloy smelting, 8-10% of the novel metal composite additive, 3-5% of the novel metal composite additive and 0.1-0.2% of the novel metal composite additive.
7. The novel metal composite additive for aluminum alloy melting as set forth in claim 5 or 6, wherein said rare earth is lanthanum and/or cerium.
8. A preparation method of the novel metal composite additive for aluminum alloy smelting as claimed in any one of claims 1 to 7, characterized in that the target product is obtained by uniformly mixing the raw materials in the formula ratio and then press-forming the mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010014484.0A CN111057894A (en) | 2020-01-07 | 2020-01-07 | Novel metal composite additive for aluminum alloy smelting and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010014484.0A CN111057894A (en) | 2020-01-07 | 2020-01-07 | Novel metal composite additive for aluminum alloy smelting and preparation method thereof |
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| CN111057894A true CN111057894A (en) | 2020-04-24 |
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| CN202010014484.0A Pending CN111057894A (en) | 2020-01-07 | 2020-01-07 | Novel metal composite additive for aluminum alloy smelting and preparation method thereof |
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Citations (8)
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|---|---|---|---|---|
| US3941588A (en) * | 1974-02-11 | 1976-03-02 | Foote Mineral Company | Compositions for alloying metal |
| CN104328299A (en) * | 2014-10-23 | 2015-02-04 | 山东南山铝业股份有限公司 | Flux for aluminum and aluminum alloy melt refining and preparation method of flux |
| CN105861869A (en) * | 2016-06-21 | 2016-08-17 | 昆明冶金研究院 | Metal additive for aluminum alloy smelting |
| CN106636698A (en) * | 2016-12-13 | 2017-05-10 | 重庆固鼎合金材料有限公司 | Aluminum alloy metal additive and production technique thereof |
| CN107557603A (en) * | 2017-09-25 | 2018-01-09 | 南通昂申金属材料有限公司 | A kind of preparation method of alloying element additive for aluminium alloy production |
| CN107794391A (en) * | 2017-09-26 | 2018-03-13 | 云南云铝涌鑫铝业有限公司 | The method of refining aluminium alloy |
| CN108130439A (en) * | 2016-12-01 | 2018-06-08 | 铜山县超特有色金属添加剂厂 | One kind is smokelessly without sodium slag-cleaning agent and preparation method thereof |
| CN110218886A (en) * | 2019-06-27 | 2019-09-10 | 河北四通新型金属材料股份有限公司 | A kind of aluminium alloy copper additive and its production method |
-
2020
- 2020-01-07 CN CN202010014484.0A patent/CN111057894A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941588A (en) * | 1974-02-11 | 1976-03-02 | Foote Mineral Company | Compositions for alloying metal |
| CN104328299A (en) * | 2014-10-23 | 2015-02-04 | 山东南山铝业股份有限公司 | Flux for aluminum and aluminum alloy melt refining and preparation method of flux |
| CN105861869A (en) * | 2016-06-21 | 2016-08-17 | 昆明冶金研究院 | Metal additive for aluminum alloy smelting |
| CN108130439A (en) * | 2016-12-01 | 2018-06-08 | 铜山县超特有色金属添加剂厂 | One kind is smokelessly without sodium slag-cleaning agent and preparation method thereof |
| CN106636698A (en) * | 2016-12-13 | 2017-05-10 | 重庆固鼎合金材料有限公司 | Aluminum alloy metal additive and production technique thereof |
| CN107557603A (en) * | 2017-09-25 | 2018-01-09 | 南通昂申金属材料有限公司 | A kind of preparation method of alloying element additive for aluminium alloy production |
| CN107794391A (en) * | 2017-09-26 | 2018-03-13 | 云南云铝涌鑫铝业有限公司 | The method of refining aluminium alloy |
| CN110218886A (en) * | 2019-06-27 | 2019-09-10 | 河北四通新型金属材料股份有限公司 | A kind of aluminium alloy copper additive and its production method |
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| 高泽生: "《铝钛硼生产中形成的副产品—氟铝酸钾的有效利用》", 《轻合金及其加工技术》 * |
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Application publication date: 20200424 |
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