Microstructure and Properties of Mg-RE-Zn Alloys for High Conductivity Parts

Jeong-Min Kim, N. Kim
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Abstract

The relatively low conductivity of conventional Mg-Al alloys often limits their areas of application. Therefore, several attempts to develop new high-conductivity magnesium alloys have been made recently. In this research, A Ce-rich rare-earth (RE)material and zinc were added to magnesium which contained no aluminum. As the RE and Zn content were increased, both the hardness and tensile strength were gradually increased, despite the fact that the electrical conductivity decreased slightly. The effects of an aging treatment on the conductivity and mechanical properties of Mg-RE-Zn alloys were also investigated. The electrical conductivity did not change according to the heat treatment conditions; however, the mechanical properties could be enhanced by proper aging heat treatments.
高导电性零件用Mg-RE-Zn合金的组织与性能
传统Mg-Al合金电导率较低,限制了其应用范围。因此,近年来人们对开发新型高导电性镁合金进行了多次尝试。本研究在不含铝的镁中加入富ce稀土材料和锌。随着稀土和锌含量的增加,合金的硬度和抗拉强度逐渐提高,但电导率略有下降。研究了时效处理对Mg-RE-Zn合金电导率和力学性能的影响。电导率不随热处理条件的变化而变化;然而,适当的时效热处理可以提高材料的力学性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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