Influence of Heat Treatment Times on the Microstructure and Mechanical Properties of ZL105A Alloy

Zhao Hui1; Zhao Zhongxing1; Hou Wei2; Zheng Lijun2; Meng Xingyi2; Yu Haitao1

doi:10.15980/j.tzzz.2013.05.029

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Influence of Heat Treatment Times on the Microstructure and Mechanical Properties of ZL105A Alloy
Vol. 33, Issue 5, Pages: 488-490(2013)
Published： 2013 ，
DOI： 10.15980/j.tzzz.2013.05.029

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[1]赵慧,赵忠兴,侯伟,郑利军,孟祥义,俞海涛.热处理次数对ZL105A合金组织和力学性能的影响[J].特种铸造及有色合金,2013,33(05):488-490.

Zhao Hui1, Zhao Zhongxing1, Hou Wei2, et al. Influence of Heat Treatment Times on the Microstructure and Mechanical Properties of ZL105A Alloy. [J]. Special Casting & Nonferrous Alloys 33(5):488-490(2013)
[1]赵慧,赵忠兴,侯伟,郑利军,孟祥义,俞海涛.热处理次数对ZL105A合金组织和力学性能的影响[J].特种铸造及有色合金,2013,33(05):488-490. DOI： 10.15980/j.tzzz.2013.05.029.

Zhao Hui1, Zhao Zhongxing1, Hou Wei2, et al. Influence of Heat Treatment Times on the Microstructure and Mechanical Properties of ZL105A Alloy. [J]. Special Casting & Nonferrous Alloys 33(5):488-490(2013) DOI： 10.15980/j.tzzz.2013.05.029.

摘要

研究了热处理（固溶处理+时效处理）次数对ZL105A合金组织和力学性能的影响。研究发现

热处理进行2次时

ZL105A合金金相组织和综合力学性能最好;在热处理进行3次时

伸长率开始出现衰退;在热处理进行4次时

组织粗化

力学性能急剧下降。

Abstract

Influences of the heat treatment（solution treatment plus aging treatment）times on the microstructure and mechanical properties of ZL105A alloy were investigated.The results show that with twice heat treatment

the alloy ZL105A exhibits the desirable microstructure and mechanical properties.With three times heat treatment

elongation of the alloy is decreased

and with four times heat treatment

metallographic structure is coarsened seriously

and the mechanical properties of the alloy are weakened sharply as a result of the coarseness of the grain size in the microstructure.