Giant hardening and formation of nanograined supersaturated solid solution in Al-Zn system

doi:10.1080/21663831.2023.2233993

IMR OpenIR

	Giant hardening and formation of nanograined supersaturated solid solution in Al-Zn system
	Zhong, Yiming 1,2; Zhang, Bo 1; Fang, Ling 1,2; Chen, Junjie 1,2; Xu, Wei 1; Li, Xiuyan 1
通讯作者	Xu, Wei(wxu@imr.ac.cn)
	2023-09-02
发表期刊	MATERIALS RESEARCH LETTERS
ISSN	2166-3831
卷号	11 期号:9 页码:764-771
摘要	Grain refinement via severe plastic deformation (SPD) can induce the decomposition of Al-Zn supersaturated solid solution, resulting in strain softening rather than hardening. So far, it is very challenging to improve the strength of binary Al-Zn alloy by refining grains through SPD. Herein, a single-phase supersaturated solid solution nanostructure with relaxed grain boundaries has been successfully generated in Al-21.7 at% Zn alloy by cryogenic high-pressure torsion. Instead of softening, giant hardening is achieved. The nanocrystalline Al-Zn alloy with grain size of 15 nm has an ultrahigh yield strength of about 642 MPa.
关键词	Al-Zn alloy high strength supersaturated solid solution grain boundary relaxation phase decomposition
资助者	National Natural Science Foundation of China ; Ministry of Science and Technology of the People's Republic of China ; Young Elite Scientists Sponsorship Program by CAST
DOI	10.1080/21663831.2023.2233993
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[52101161] ; National Natural Science Foundation of China[52171088] ; National Natural Science Foundation of China[52225102] ; Ministry of Science and Technology of the People's Republic of China[2017YFA0700700] ; Young Elite Scientists Sponsorship Program by CAST[2022QNRC001]
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:001025053200001
出版者	TAYLOR & FRANCIS INC
引用统计	被引频次：2[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/321006/178481
专题	中国科学院金属研究所
通讯作者	Xu, Wei
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang, Peoples R China
推荐引用方式 GB/T 7714	Zhong, Yiming,Zhang, Bo,Fang, Ling,et al. Giant hardening and formation of nanograined supersaturated solid solution in Al-Zn system[J]. MATERIALS RESEARCH LETTERS,2023,11(9):764-771.
APA	Zhong, Yiming,Zhang, Bo,Fang, Ling,Chen, Junjie,Xu, Wei,&Li, Xiuyan.(2023).Giant hardening and formation of nanograined supersaturated solid solution in Al-Zn system.MATERIALS RESEARCH LETTERS,11(9),764-771.
MLA	Zhong, Yiming,et al."Giant hardening and formation of nanograined supersaturated solid solution in Al-Zn system".MATERIALS RESEARCH LETTERS 11.9(2023):764-771.