Ce对ZA43合金组织与力学性能的影响

谢兴同; 薛涛; 古文全; 于云峰; 郭光平; 吴健

doi:10.15980/j.tzzz.2012.03.035

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Ce对ZA43合金组织与力学性能的影响
Effects of Ce Addition on the Microstructures and Mechanical Properties of ZA43 Alloys
2012年32卷第3期页码：286-288
纸质出版日期： 2012 ，
DOI： 10.15980/j.tzzz.2012.03.035

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[1]谢兴同,薛涛,古文全,于云峰,郭光平,吴健.Ce对ZA43合金组织与力学性能的影响[J].特种铸造及有色合金,2012,32(03):286-288.

Xie Xingtong, Xue Tao, Gu Wenquan, et al. Effects of Ce Addition on the Microstructures and Mechanical Properties of ZA43 Alloys[J]. Special Casting & Nonferrous Alloys, 2012,32(3):286-288.
[1]谢兴同,薛涛,古文全,于云峰,郭光平,吴健.Ce对ZA43合金组织与力学性能的影响[J].特种铸造及有色合金,2012,32(03):286-288. DOI： 10.15980/j.tzzz.2012.03.035.

Xie Xingtong, Xue Tao, Gu Wenquan, et al. Effects of Ce Addition on the Microstructures and Mechanical Properties of ZA43 Alloys[J]. Special Casting & Nonferrous Alloys, 2012,32(3):286-288. DOI： 10.15980/j.tzzz.2012.03.035.

摘要

研究了稀土Ce加入量对ZA43合金铸态组织与力学性能的影响。结果表明

Ce能够细化ZA43合金的铸态组织。随Ce加入量增加

α相由发达的树枝晶转变为碎块状晶粒

ZA43合金的力学性能、耐磨性得到不同程度的改善

Ce元素主要分布于晶界

并以金属间化合物形式存在。综合考虑稀土Ce对ZA43合金组织及性能的影响

添加0.15%的Ce对提高ZA43合金综合力学性能最为有效。

Abstract

Effects of Ce addiiton on the microstructure and mechanical properties of ZA43 alloys were investigated.The results indicate that the as-cast microstructure of ZA43 alloy can be refined by Ce addition

and α-Al phase is converted from developed dendrite into granular phase

which are responsible for the improvement of mechanical properties and wear resistance of the alloy.Ce element in form of intermetallic compound is mainly distributed into boundary.Comprehensively considering the effects of Ce addition on microstructure and properties of the alloy

0.15% Ce addition is a satisfied choice.