Effect of Cd addition on the aging process of Al-Si-Cu-Mg cast alloy

IMR OpenIR

	Effect of Cd addition on the aging process of Al-Si-Cu-Mg cast alloy
	Li, RX ; Li, RD ; Guan, HG ; Hu, ZQ
通讯作者	Li, RX(runxiali@hotmail.com)
	2004-08-01
发表期刊	ACTA METALLURGICA SINICA
ISSN	0412-1961
卷号	40 期号:8 页码:867-872
摘要	The addition of Cd promotes the age-hardening process of Al-Si-Cu-Mg alloy, increases the peak hardness and reduces the time to reach peak hardness. The UTS increases 20% when 0.27% Cd is added in, on the contrary, strength decreases if the content of Cd exceeds 0.27%. The results of SEM, DSC and TEM reveal that trace addition Cd stimulates nucleation of metastable phases and accelerates the following aging process of alloys. At the same time, some larger Cd-rich particles and stable phases formed in the matrix, which strengthen alloys as second-phase. In the combined action of those two kinds of precipitates, the peak strength of alloy improves remarkably. However, when the content of Cd exceeds 0.27% some Cd-rich phases and pure Cd particles form, and those particles soften grain boundary and result in the decrease of alloy strength.
关键词	Al-Si-Cu-Mg cast alloy Cd age-hardening
收录类别	SCI
语种	英语
WOS研究方向	Metallurgy & Metallurgical Engineering
WOS类目	Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000223695400016
出版者	SCIENCE CHINA PRESS
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/119612
专题	中国科学院金属研究所
通讯作者	Li, RX
作者单位	1.Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110023, Peoples R China 2.Shenyang Inst Aeronaut Engn, Dept Mat Sci, Shenyang 110034, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Li, RX,Li, RD,Guan, HG,et al. Effect of Cd addition on the aging process of Al-Si-Cu-Mg cast alloy[J]. ACTA METALLURGICA SINICA,2004,40(8):867-872.
APA	Li, RX,Li, RD,Guan, HG,&Hu, ZQ.(2004).Effect of Cd addition on the aging process of Al-Si-Cu-Mg cast alloy.ACTA METALLURGICA SINICA,40(8),867-872.
MLA	Li, RX,et al."Effect of Cd addition on the aging process of Al-Si-Cu-Mg cast alloy".ACTA METALLURGICA SINICA 40.8(2004):867-872.