Improvement of Machinability of Die Casting Aluminum Alloy

Huang Rong Sun Baochun

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Improvement of Machinability of Die Casting Aluminum Alloy
Issue 1, Pages: 46-48(2003)
Published： 2003 ，
DOI：

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[1]黄勇,孙宝纯.提高压铸铝合金机械加工性能的研究[J].特种铸造及有色合金,2003(01):46-48+1.

Huang Rong Sun Baochun. Improvement of Machinability of Die Casting Aluminum Alloy. [J]. Special Casting & Nonferrous Alloys (1):46-48(2003)
[1]黄勇,孙宝纯.提高压铸铝合金机械加工性能的研究[J].特种铸造及有色合金,2003(01):46-48+1. DOI：

Huang Rong Sun Baochun. Improvement of Machinability of Die Casting Aluminum Alloy. [J]. Special Casting & Nonferrous Alloys (1):46-48(2003) DOI：

摘要

在ZL10 2铝合金的基础上

分别加入质量分数为 0 .5 %～ 1.5 %的Cu

0 .4%～ 0 .7%的Mg

0 .1%～ 0 .3%的Pb

0 .1%～ 0 .3%的Bi

研制出一种易机械加工压铸铝合金。该合金组织中出现了CuAl2 和Mg2 Si强化合金相

铝合金的共晶硅呈团状或粒状。对研制的易机械加工压铸铝合金和常用的共晶型铝硅合金ZL10 2进行了性能测试

结果表明

易机械加工压铸铝合金抗拉强度比ZL10 2提高了 14 .17%

机械加工性能明显高于ZL10 2

是一种既能满足压铸工艺要求

又具有良好机械加工性能的合金。

Abstract

A die casting aluminum alloy with better machinabihty was developed by addition of （0.5～1.5）% Cu

（0.4～0.7）% Mg

（0.1～0.3）%Pb and （0.1～0.3）% Bi weight percent to conventional eutectic ZL102 alloy. There appeared CuAl2 and Mg2Si strengthening phase and granular eutectic silicon in the alloy performance tests were conducted for the developed die casting Al-al-loy and conventional eutectic ZL102 Al alloy. The results showed that the die casting aluminum alloy with better machinability not only met the requirements of die casting process but also exhibited excellent machinability. Also the tensile strength of the developed alloy was higher by 14.16% compared to Z1102 alloy.