Formula and preparation method of aluminum type aluminum alloy additive

An aluminum alloy and additive technology, which is applied in the formulation and preparation of aluminum alloy additives, can solve the problems of component control, production cost impact, influence on metal powder dissolution, and decrease in actual yield, so as to achieve easy control and low environmental impact , the effect of stable yield rate

Inactive Publication Date: 2014-09-10
正邦(福建)冶金材料有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Due to the high proportion of aluminum powder used in aluminum alloy additives, its purity, production process, particle size, product storage conditions and other factors will cause its activity to drop significantly, affecting the dissolution of metal powder in aluminum liquid. Leading to a decline in the actual yield, affecting the user's component control and production costs

Method used

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specific Embodiment approach

[0012] An aluminum-type aluminum alloy additive formula, which is calculated by weight percentage from the following components: 80-85% of metal powder, 14-18% of aluminum powder, 1-1.5% of aluminum stearate, 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 not less than 98%, and the average particle size of the powder is between 0.01-0.5mm; the purity of the aluminum powder is not less than 96%, and the average particle size of the powder is The particle size is between 0.01-0.5mm.

[0013] A kind of preparation method of the formula of aluminum alloy additive, the metal powder, aluminum powder, aluminum stearate, aluminum-magnesium powder are fully mixed evenly, pressed into a block with a hydraulic press, and packaged with aluminum foil to become a finished product; the weight of the block is 200 -500g, briquette diameter: 60-90mm, thickness 20-40mm; density of 80Fe20Al, 80...

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PUM

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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 [0001] The invention relates to the field of non-ferrous metal aluminum alloy processing, in particular to a formula and a preparation method of an aluminum-type aluminum alloy additive. Background technique [0002] When aluminum is used as an engineering material, it is used in the form of aluminum alloy. When preparing aluminum alloy, it is necessary to add iron, manganese, copper, titanium, chromium and other metal elements to adjust the chemical composition of aluminum alloy. In the smelting process, the way of adding alloy elements has gone through several technical development stages of adding pure metals, intermediate alloys, and metal additives. The addition of pure metals often causes the temperature of the alloy melt to exceed the allowable temperature of the process, resulting in poor melt quality and substandard alloy properties; the use of master alloys also causes high energy consumption, large burning losses, poor metallurgical quality and co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C21/00B22F1/00B22F3/02
Inventor 张惠忠
Owner 正邦(福建)冶金材料有限公司
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