CN104032150A - Formula and preparation method of aluminum type aluminum alloy additive - Google Patents
Formula and preparation method of aluminum type aluminum alloy additive Download PDFInfo
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- CN104032150A CN104032150A CN201410311876.8A CN201410311876A CN104032150A CN 104032150 A CN104032150 A CN 104032150A CN 201410311876 A CN201410311876 A CN 201410311876A CN 104032150 A CN104032150 A CN 104032150A
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Abstract
The invention discloses a formula and a preparation method of an aluminum type aluminum alloy additive. The additive comprises, by weight, 80-85% of metal powder, 14-18% of aluminum powder, 1-1.5% of aluminum stearate and 0.5-1% of aluminum-magnesium powder. The metal powder is any one of iron, manganese, copper, titanium and chromium. The purity of the metal powder is larger than or equal to 98%, the average grain diameter of the powder ranges from 0.01 mm-0.5 mm, the purity of the aluminum powder is larger than or equal to 96%, and the average grain diameter of the power ranges from 0.01 mm-0.5 mm. The metal powder, the aluminum powder, the aluminum stearate and the aluminum-magnesium powder are evenly mixed and pressed into blocks through an oil press, and the blocks are packaged with aluminum foil to form finished products. The addition method is simple, and the additive rapidly fuses at the normal temperature of aluminum alloy melting, no fusing agent exists, and influences on the environment are small. The casting yield is high and stable, and components of melt are easy to control.
Description
Technical field
The present invention relates to non-ferrous metal aluminium alloy manufacture field, refer more particularly to a kind of formula and preparation method of aluminium type aluminium alloy additive.
Background technology
When aluminium is applied as engineering materials, be all to use with the form of aluminium alloy.During preparation aluminium alloy, need to add the Chemical Composition that the metallic elements such as iron, manganese, copper, titanium, chromium are adjusted aluminium alloy.At fusion process, alloying element add mode, experienced and added pure metal, master alloy, several technical development stages of metal additive.Adding of pure metal, often cause alloy melt temperature to surpass technique allowable temperature, cause melt quality poor, alloy property is not up to standard; Use master alloy also to cause the master alloy production phase to have that energy consumption is high, scaling loss is large, metallurgical quality is poor and high in cost of production shortcoming.Al-alloy metal additive has kept that master alloy fusing point is lower, metal element content advantages of higher, has overcome again some shortcomings of master alloy, obtains applying more and more widely.
The aluminium alloy additive of system contains halogenide salt as fusing assistant, in use can produce a large amount of smoking gas containing fluorines to environment.Meanwhile, some high-performance aluminium alloy products, for improving the purity of metal melt, reduce the nonmetal inclusion of metal structure, guarantee the performance and reliability of metallic substance, do not allow to add the salt of halide in fusion process.
Above-mentioned requirements and the aluminium type aluminium alloy additive that produces be take alloying element metal-powder and aluminium powder as main, and add a small amount of binding agent compression moulding.
The aluminium powder using during aluminium type aluminium alloy additive is normal, because usage ratio is high, the factor impacts such as the preservation condition of its purity, production technique, granularity, product, capital causes its activity to decline to a great extent, affect the dissolving of metal-powder in aluminium liquid, cause casting yield to decline, user's composition control, production cost are impacted.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point of the prior art and provide a kind of production technique simple, alloy mass is high, formula and the preparation method of the aluminium type aluminium alloy additive that cost is low.
The present invention realizes in the following way:
A kind of formula of aluminium type aluminium alloy additive, it is characterized in that: by following constituent, counted by weight percentage: metal-powder 80-85%, aluminium powder 14-18%, aluminum stearate 1-1.5%, al-mg powder 0.5-1%, described metal-powder is any in iron, manganese, copper, titanium, chromium; Described metal-powder purity is not less than 98%, and powder median size is between 0.01-0.5mm; Described aluminium powder purity is not less than 96%, and powder median size is between 0.01-0.5mm.
A preparation method for the formula of aluminium type aluminium alloy additive, is characterized in that: metal-powder, aluminium powder, aluminum stearate, al-mg powder are fully mixed, use oil press briquetting, by aluminium foil packing, become finished product; Described briquetting quality is 200-500g, and briquetting diameter is: 60-90mm, and thickness is 20-40mm; In described briquetting, the density of 80Fe20Al, 80Mn20Al, 80Cu20Al, 80Ti20Al, 80Cr20Al is 3.4-4.0g/cm
3.
The invention has the advantages that: add method simple, fusing rapidly at normal aluminium alloy smelting temperature; Containing flux, not little to environmental influence; Casting yield is high and stable, and melt composition is easily controlled; Al-mg powder adds for improving casting yield, and melt composition, quality are had no adverse effects.
Embodiment
The specific embodiment of the invention is described in detail in detail:
A kind of formula of aluminium type aluminium alloy additive, by following constituent, counted by weight percentage: metal-powder 80-85%, aluminium powder 14-18%, aluminum stearate 1-1.5%, al-mg powder 0.5-1%, described metal-powder is any in iron, manganese, copper, titanium, chromium; Metal-powder purity is not less than 98%, and powder median size is between 0.01-0.5mm; Aluminium powder purity is not less than 96%, and powder median size is between 0.01-0.5mm.
A preparation method for the formula of aluminium type aluminium alloy additive, fully mixes metal-powder, aluminium powder, aluminum stearate, al-mg powder, uses oil press briquetting, by aluminium foil packing, becomes finished product; Briquetting quality is 200-500g, and briquetting diameter is: 60-90mm, and thickness is 20-40mm; In briquetting, the density of 80Fe20Al, 80Mn20Al, 80Cu20Al, 80Ti20Al, 80Cr20Al is 3.4-4.0g/cm
3.
Claims (2)
1. the formula of an aluminium type aluminium alloy additive, it is characterized in that: by following constituent, counted by weight percentage: metal-powder 80-85%, aluminium powder 14-18%, aluminum stearate 1-1.5%, al-mg powder 0.5-1%, described metal-powder is any in iron, manganese, copper, titanium, chromium; Described metal-powder purity is not less than 98%, and powder median size is between 0.01-0.5mm; Described aluminium powder purity is not less than 96%, and powder median size is between 0.01-0.5mm.
2. a preparation method for the formula of aluminium type aluminium alloy additive as claimed in claim 1, is characterized in that: metal-powder, aluminium powder, aluminum stearate, al-mg powder are fully mixed, use oil press briquetting, by aluminium foil packing, become finished product; Described briquetting quality is 200-500g, and briquetting diameter is: 60-90mm, and thickness is 20-40mm; In described briquetting, the density of 80Fe20Al, 80Mn20Al, 80Cu20Al, 80Ti20Al, 80Cr20Al is 3.4-4.0g/cm
3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410311876.8A CN104032150A (en) | 2014-07-02 | 2014-07-02 | Formula and preparation method of aluminum type aluminum alloy additive |
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| CN201410311876.8A CN104032150A (en) | 2014-07-02 | 2014-07-02 | Formula and preparation method of aluminum type aluminum alloy additive |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988340A (en) * | 2015-06-05 | 2015-10-21 | 沧州东盛金属添加剂制造有限公司 | Porous modificationloose metal additive and preparation method and application thereof |
| CN105063386A (en) * | 2015-08-28 | 2015-11-18 | 付黎 | High-titanium-content additives used for producing aluminum alloy and preparation method of high-titanium-content additives |
| CN105821229A (en) * | 2016-05-27 | 2016-08-03 | 沧州市东众特种合金制造有限公司 | Preparation method for aluminum alloy additive without villiaumite and chlorine salts |
| CN106216640A (en) * | 2016-07-27 | 2016-12-14 | 哈尔滨东盛金属材料有限公司 | A kind of chrome additive for high-magnesium aluminum alloy founding and preparation method thereof |
| CN107267787A (en) * | 2017-07-10 | 2017-10-20 | 铜山县丰华工贸有限公司 | A kind of chromium agent and preparation method thereof of aluminum alloy smelting |
| CN108384973A (en) * | 2018-05-28 | 2018-08-10 | 沧州东盛金属添加剂制造有限公司 | High rigidity metallic addition |
| CN111020258A (en) * | 2020-01-07 | 2020-04-17 | 昆明冶金研究院有限公司 | A356 aluminum alloy magnesium titanium composite additive with high solid yield and low burning loss and preparation method thereof |
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| CN101381821A (en) * | 2008-09-26 | 2009-03-11 | 北京矿冶研究总院 | Flux-free aluminum alloy additive and preparation method thereof |
| CN101967573A (en) * | 2010-11-15 | 2011-02-09 | 湖南金联星冶金材料技术有限公司 | Method for manufacturing aluminum zirconium intermediate alloy by alloying zirconium crumbs and aluminum at low temperature |
| CN102719714A (en) * | 2011-03-31 | 2012-10-10 | 宝山钢铁股份有限公司 | Alloy for refining precipitates in steel production process and application method thereof |
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2014
- 2014-07-02 CN CN201410311876.8A patent/CN104032150A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101381821A (en) * | 2008-09-26 | 2009-03-11 | 北京矿冶研究总院 | Flux-free aluminum alloy additive and preparation method thereof |
| CN101967573A (en) * | 2010-11-15 | 2011-02-09 | 湖南金联星冶金材料技术有限公司 | Method for manufacturing aluminum zirconium intermediate alloy by alloying zirconium crumbs and aluminum at low temperature |
| CN102719714A (en) * | 2011-03-31 | 2012-10-10 | 宝山钢铁股份有限公司 | Alloy for refining precipitates in steel production process and application method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988340A (en) * | 2015-06-05 | 2015-10-21 | 沧州东盛金属添加剂制造有限公司 | Porous modificationloose metal additive and preparation method and application thereof |
| CN105063386A (en) * | 2015-08-28 | 2015-11-18 | 付黎 | High-titanium-content additives used for producing aluminum alloy and preparation method of high-titanium-content additives |
| CN105063386B (en) * | 2015-08-28 | 2017-11-21 | 重庆润际远东新材料科技有限公司 | It is a kind of to be used to produce high content titanium additives of aluminium alloy and preparation method thereof |
| CN105821229A (en) * | 2016-05-27 | 2016-08-03 | 沧州市东众特种合金制造有限公司 | Preparation method for aluminum alloy additive without villiaumite and chlorine salts |
| CN106216640A (en) * | 2016-07-27 | 2016-12-14 | 哈尔滨东盛金属材料有限公司 | A kind of chrome additive for high-magnesium aluminum alloy founding and preparation method thereof |
| CN107267787A (en) * | 2017-07-10 | 2017-10-20 | 铜山县丰华工贸有限公司 | A kind of chromium agent and preparation method thereof of aluminum alloy smelting |
| CN108384973A (en) * | 2018-05-28 | 2018-08-10 | 沧州东盛金属添加剂制造有限公司 | High rigidity metallic addition |
| CN111020258A (en) * | 2020-01-07 | 2020-04-17 | 昆明冶金研究院有限公司 | A356 aluminum alloy magnesium titanium composite additive with high solid yield and low burning loss and preparation method thereof |
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Application publication date: 20140910 |