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A method for improving the slag content of directly supplied a380 liquid aluminum alloy

A technology of aluminum alloy and slag content, applied in the field of aluminum alloy, can solve the problem of high slag content in liquid aluminum alloy, and achieve the effect of reducing the defect rate

Active Publication Date: 2018-07-17
帅翼驰新材料集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the direct supply of A380 liquid aluminum alloy contains a lot of slag, to solve the above-mentioned defects in the prior art, and to improve the quality of the liquid alloy

Method used

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  • A method for improving the slag content of directly supplied a380 liquid aluminum alloy
  • A method for improving the slag content of directly supplied a380 liquid aluminum alloy

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Embodiment Construction

[0030] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention, not to limit the protection scope of the present invention. Improvements and adjustments made by skilled personnel according to the present invention in practical applications still belong to the protection scope of the present invention.

[0031] The following examples are given to illustrate the invention.

[0032] A kind of A380 liquid aluminum alloy, its composition is represented by mass fraction as:

[0033] Si: 8.56%, Fe: 0.82%, Cu: 3.51%, Mn: 0.22%, Mg: 0.23%, Ni: 0.04%, Zn: 0.89%, Ti: 0.04%, Pb: 0.02%, Sn: 0.01%.

[0034] 4. The method of directly supplying A380 liquid aluminum alloy is as follows:

[0035] In addition to aluminum, the alloy composition mainly contains the following components by weight percentage:

[0036]

[0037] (1) Put 60% mass percentage of cooked alu...

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Abstract

The invention relates to the technical field of aluminum alloys, and especially relates to a method for improving the content of slag in directly supplied A380 liquid aluminum alloy. The method comprises the following steps: melting, slag removal, silicon melting, cooling, slag removal ,refining, degassing, standing, ladle roasting, extra furnace degassing and slag taking, finished detection and transportation. Multi-time test of the content of slag in the A380 liquid aluminum alloy produced through the method shows that detection results are B grade or above (the K value is not less than 0.1). After the alloy is transferred to a user, the defective fraction of the above product is greatly reduced, and the unable control condition of the purity of the product is greatly improved.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to a method for improving the slag content of direct-supplied A380 liquid aluminum alloys. Background technique [0002] A380 grade is a grade often used in auto parts and motor products. Due to the high copper content of this product, die-casting products usually have high strength, so the product is widely used. However, no matter whether it is aluminum liquid product or aluminum ingot product, this brand has high requirements on product purity. Due to the obsolete production process in the prior art, it is impossible to improve the product purity. Often because the product quality cannot meet the high requirements of users, it cannot open up a broader market. [0003] Even if the A380 aluminum ingot product is very pure and the impurity content meets the user's requirements, since the user's place still remelts the aluminum ingot, if the remelting process at the user's ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/03C22C21/00
Inventor 程帅陆时忠
Owner 帅翼驰新材料集团有限公司