微合金化对Al-Cu-Mg合金时效行为的影响

张琳; 闵光辉; 冯刚; 于化顺

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微合金化对Al-Cu-Mg合金时效行为的影响
Effects of Micro-alloying on the Ageing Behavior of Al-Cu-Mg Alloy
2005年第12期页码：756-758
纸质出版日期： 2005 ，
DOI：

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[1]张琳,闵光辉,冯刚,于化顺.微合金化对Al-Cu-Mg合金时效行为的影响[J].特种铸造及有色合金,2005(12):756-758+704.

Zhang Lin1 Min Guanghui1 Feng Gang2 Yu Huashun1. Effects of Micro-alloying on the Ageing Behavior of Al-Cu-Mg Alloy[J]. Special Casting & Nonferrous Alloys, 2005,(12):756-758.
[1]张琳,闵光辉,冯刚,于化顺.微合金化对Al-Cu-Mg合金时效行为的影响[J].特种铸造及有色合金,2005(12):756-758+704. DOI：

Zhang Lin1 Min Guanghui1 Feng Gang2 Yu Huashun1. Effects of Micro-alloying on the Ageing Behavior of Al-Cu-Mg Alloy[J]. Special Casting & Nonferrous Alloys, 2005,(12):756-758. DOI：

摘要

以微合金化元素对AlCuMg合金常规时效析出相的影响为出发点

分析了Ag

Cd等元素对合金时效行为的影响。结果表明具有:完全改变常规析出相结构

形成新析出相;部分改变常规析出相结构

提高析出相的强化效果;促进析出相析出3种作用。分析了采用微合金化方法提高AlCuMg合金热强性所存在的问题

并对发展趋势进行了展望。

Abstract

The effects of some micro-alloying elements

including Ag

on ageing behavior of Al-Cu-Mg alloy were analyzed by examining the influence of micro-alloying elements on precipitated phase in conventional ageing treated Al-Cu-Mg alloy.The results show that the micro-alloying elements play roles on the alloy as follows: one is to fully change the structure of traditional precipitated phase to form a new precipitated phase; two is to partially change the precipitated phase structure to improve the enhancing effects of precipitated phase; three is to promote the precipitation of precipitated phase.The problems in improving thermo-strength of the Al-Cu-Mg alloy by micro-alloying

and the future tendency were proposed.