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Aluminium alloy refining method

A technology of aluminum alloy and titanium aluminum alloy, which is applied in the field of metallurgy, can solve problems such as pinholes, pores and slag inclusions, and achieve the effects of improving fracture structure, improving physical properties and increasing effects

Inactive Publication Date: 2018-03-13
YUNNAN YONGXIN ALUMINUM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cast aluminum alloy may cause a series of defects in the casting during the smelting process, such as pinholes, pores and slag inclusions, etc.

Method used

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Experimental program
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Embodiment 1

[0039] 1. Brief description of the test

[0040] 1.1. Purpose of the experiment

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Abstract

The invention discloses an aluminium alloy refining method which comprises the step of spraying a refining agent in aluminium alloy fused solution by adopting the mixing blowing method of inert gas-refining agent. The refining agent comprises MgCl2 and KCl. With adoption of the aluminium alloy refining method, nonmetallic inclusion, hydrogen, sodium, calcium, lithium and the like in aluminium alloy can be effectively removed, the pinhole first-grade rate of an aluminium alloy product can be remarkably increased, the physical performance of aluminium alloy is improved, and the fractograph of aluminium alloy also can be improved.

Description

technical field [0001] The invention belongs to the technical field of metallurgy, in particular, the invention relates to a method for refining aluminum alloys. Background technique [0002] Aluminum alloy is widely used in various fields such as aerospace, automobile, machinery and electronics because of its advantages such as low density, high specific strength, good plasticity, good electrical and thermal conductivity, good corrosion resistance, rich resources and easy processing. However, casting aluminum alloys may cause a series of defects in castings during the smelting process, such as pinholes, pores and slag inclusions. Therefore, how to improve the melting quality of aluminum alloy needs further study. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, an object of the present invention is to propose a method for refining aluminum alloys. The metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/06C22C21/02
CPCC22C1/06C22C21/02
Inventor 车立志赵瑞敏黄作雄王博一陈渝王建平李顺华罗映东邹学通李光孙海艳方晨
Owner YUNNAN YONGXIN ALUMINUM
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