Mn,Zn和Ag对Al-Mg-Li合金组织和性能的影响

田宝辉; 陆政; 颜鸣皋; 刘伯操; 魏柄忱

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航空材料学报 ›› 1997, Vol. 17 ›› Issue (4) : 25-30.

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论文

Mn,Zn和Ag对Al-Mg-Li合金组织和性能的影响

田宝辉;陆政;颜鸣皋;刘伯操;魏柄忱

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EFFECT OF Mn, Zn AND Ag ON THE MICROSTRUCTURES AND TENSILE PROPERTIES OF Al-Mg-Li ALLOYS

Tian Baohui;Lu Zheng;Yan Minggao;Liu Bocao;Wei Bingchen

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摘要

在Al-Mg-Li合金中加入Mn,Zn和Ag元素,提高了合金的时效硬化程度和拉伸强度,穿晶断裂的比例增加,塑性稍有降低。这些变化与形成Al6Mn粒子和Ag,Zn在δ′粒子中富集有联系。

Abstract

The effect of Mn, Zn and Ag on microstructures and tensile properties of Al-Mg-Li alloys was investigated. The results show that the extent of age hardening and the tensile strength increase, while the plasticity decreases accompanied by increasing transgranular fracture when adding these elements. These behaviors could be related to enrichment of Zn, Ag in δ′ particles and formation of Al6Mn precipitates, respectively.

导出引用

田宝辉;陆政;颜鸣皋;刘伯操;魏柄忱. Mn,Zn和Ag对Al-Mg-Li合金组织和性能的影响[J]. 航空材料学报, 1997, 17(4): 25-30

Tian Baohui;Lu Zheng;Yan Minggao;Liu Bocao;Wei Bingchen. EFFECT OF Mn, Zn AND Ag ON THE MICROSTRUCTURES AND TENSILE PROPERTIES OF Al-Mg-Li ALLOYS[J]. Journal of Aeronautical Materials, 1997, 17(4): 25-30

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