Effect of deep cryogenic treatment on the microstructure and mechanical properties of Al-Cu-Mg-Ag alloy

被引：7

作者：

Wang, Jian ^{[1
,2
]}

Xie, Jingpei ^{[1
,2
]}

Ma, Douqin ^{[1
,2
]}

Mao, Zhiping ^{[1
,2
]}

Liang, Tingting ^{[1
,2
]}

Ying, Puyou ^{[3
]}

Wang, Aiqin ^{[1
,2
]}

Wang, Wenyan ^{[1
,2
]}

机构：

[1] Henan Univ Sci & Technol, Sch Mat Sci & Engn, Luoyang 471023, Peoples R China

[2] Henan Univ Sci & Technol, Prov & Ministerial Coconstruct Collaborat Innovat, Luoyang 471023, Peoples R China

[3] Taizhou Univ, Zhejiang Prov Key Lab Cutting Tools, Taizhou 318000, Peoples R China

来源：

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2023年 / 25卷

基金：

中国国家自然科学基金;

关键词：

Al-Cu-Mg-Ag alloy; Deep cryogenic treatment; c1; phase; Dislocation; DISLOCATION DENSITY; BEHAVIOR;

D O I：

10.1016/j.jmrt.2023.07.130

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Effect of deep cryogenic treatment (DCT) on the aging behavior and tensile properties of Al-Cu-Mg-Ag alloy was investigated. Results show that DCT of Al-Cu-Mg-Ag alloy produces plastic deformation of about 0.2% and high-density dislocations in the a-Al matrix. These dislocations cut second-phase particles in under-aged Al-Cu-Mg-Ag alloy, resulting in a decrease in the size of c1 precipitates and an increase in the number density, thereby weakening the adverse effects of DCT on the tensile properties of the alloy.& COPY; 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

引用

页码：6880 / 6885

页数：6

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