Microstructure and superior quenching sensitivity of a novel Sc, Zr alloyed Al-Zn-Mg-Cu alloy

doi:10.1016/j.matlet.2021.131422

CORC > 金属研究所 > 中国科学院金属研究所

	Microstructure and superior quenching sensitivity of a novel Sc, Zr alloyed Al-Zn-Mg-Cu alloy
	Huang, Jiwu 2; Xu, Chenglong 2; Liu, Shichao 2; Jiang, Fuqing 1,2
刊名	MATERIALS LETTERS
	2022-02-15
卷号	309 页码:4
关键词	Metals and alloys Quenching sensitivity Microstructure Heterogeneous precipitation
ISSN号	0167-577X
DOI	10.1016/j.matlet.2021.131422
通讯作者	Jiang, Fuqing(fqjiang_imr@163.com)
英文摘要	This paper studies a novel Al-Zn-Mg-Cu-Mn-Sc-Zr alloy that exhibits outstanding quenching sensitivity with a quench-hardening depth of more than 150 mm. Jominy end quenching allows the alloy to obtain different quenching rates. The Brinell hardness of the aged alloy with a quenching rate of 27 degrees C/s is 154 HB; when the quenching rate drops to 1.5 degrees C/s, its hardness value loses about 8%, which is 142 HB. The quenching-induced equilibrium precipitates heterogeneously precipitated at the grain boundary and the incoherent phase interfaces (E phase, Al-6(Mn, Fe) phase), but no heterogeneous precipitates are observed along the coherent L1(2)-Al-3(Sc, Zr) particles. After artificial aging, densely distributed nano-scaled atomic clusters and G.P zones, as well as grain boundary precipitation free zones (PFZs) were observed.
资助项目	Key-Area Research and Development Program of Guangdong Province[2020B010186002]
WOS研究方向	Materials Science ; Physics
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000736654600001
资助机构	Key-Area Research and Development Program of Guangdong Province
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/173766]
专题	金属研究所_中国科学院金属研究所
通讯作者	Jiang, Fuqing
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 2.Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China
推荐引用方式 GB/T 7714	Huang, Jiwu,Xu, Chenglong,Liu, Shichao,et al. Microstructure and superior quenching sensitivity of a novel Sc, Zr alloyed Al-Zn-Mg-Cu alloy[J]. MATERIALS LETTERS,2022,309:4.
APA	Huang, Jiwu,Xu, Chenglong,Liu, Shichao,&Jiang, Fuqing.(2022).Microstructure and superior quenching sensitivity of a novel Sc, Zr alloyed Al-Zn-Mg-Cu alloy.MATERIALS LETTERS,309,4.
MLA	Huang, Jiwu,et al."Microstructure and superior quenching sensitivity of a novel Sc, Zr alloyed Al-Zn-Mg-Cu alloy".MATERIALS LETTERS 309(2022):4.