Effect of Cu/Sn additions on the precipitation and property in Al-Mg-Si alloys

被引：1

作者：

Weng, Yaoyao ^{[1
,2
,6
]}

Sun, Qichen ^{[1
]}

Ding, Lipeng ^{[3
,6
]}

Chen, Jiahao ^{[1
]}

Cheng, Xiangxiang ^{[1
]}

Jia, Zhihong ^{[3
]}

Liu, Manping ^{[4
]}

Zhao, Hua ^{[5
]}

机构：

[1] Nanjing Inst Technol, Sch Mat Sci & Engn, Nanjing, Peoples R China

[2] Nanjing Inst Technol, Jiangsu Key Lab Adv Struct Mat & Applicat Technol, Nanjing, Peoples R China

[3] Nanjing Tech Univ, Key Lab Light weight Mat, Nanjing, Peoples R China

[4] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang, Peoples R China

[5] Changshu New & Hitech Ind Dev Zone, Nanjing, Peoples R China

[6] Nanjing Inst Technol, 1 Hongjing Ave, Nanjing, Jiangsu, Peoples R China

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2023年 / 39卷 / 17期

基金：

中国国家自然科学基金;

关键词：

Al-Mg-Si alloy; Cu addition; Sn addition; precipitation hardening; microstructure; TRANSMISSION ELECTRON-MICROSCOPY; HARDENING BEHAVIOR; CU ADDITIONS; BETA-PHASE; NANOCLUSTERS; STABILITY; ALUMINUM; SEQUENCE; Q';

D O I：

10.1080/02670836.2023.2224994

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of Cu and Sn additions on the precipitation hardening of Al-Mg-Si alloys were systematically studied by performance testing and microscopic characterisation. Sn addition can retard the onset of natural aging (NA), while after long-term NA, the NA hardening is enhanced. Although Cu and Sn can promote the NA hardening, the Cu and Sn combination addition results in NA hardness lower than the individual Cu addition. Compared with Sn, Cu addition is more efficient in promoting the artificial aging hardening of these alloys. Both of the Sn and Cu atoms can incorporate in the interior of the beta '' phase and produce disordered structure. The results are expected to provide new insight for designing new aluminium alloys for automotive application.

引用

页码：2756 / 2766

页数：11

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