Hydrogen induced slowdown of spallation in high entropy alloy under shock loading

doi:10.1016/j.ijplas.2021.102944

IMECH-IR > 非线性力学国家重点实验室

	Hydrogen induced slowdown of spallation in high entropy alloy under shock loading
	Xie ZC(谢周璨)1,2; Li C(李琛)1,2 ; Wang HY(汪海英)1,2; Lu CS(卢春生)3 ; Dai LH(戴兰宏)1,2,4
通讯作者	Dai, Lan-Hong(lhdai@lnm.imech.ac.cn)
发表期刊	INTERNATIONAL JOURNAL OF PLASTICITY
	2021-04-01
卷号	139 页码:19
ISSN	0749-6419
摘要	Hydrogen embrittlement is ubiquitous in metals and alloys exposed to hydrogen, which has been extensively studied over a century. In contrast to traditional alloys, mechanisms of hydrogen embrittlement under shock loading are poorly understood, especially in recently emerging multiprinciple element and chemically disordered high entropy alloys (HEAs). By using a specially designed double-target technique, an unexpected phenomenon of hydrogen-retarded spallation was observed in CrMnFeCoNi HEA under plate impact loading. To reveal the underlying mechanism, a trans-scale statistical damage mechanics model was developed based on microstructural characterization and first principles calculations. The hydrogen-retarded nucleation of microvoids is attributed to hydrogen-vacancy complexes with high migration energy, while formation of nano-twins with high resistance reduces their growth rate. These results shed light on the better understanding of hydrogen embrittlement in chemically complex HEAs.
关键词	Hydrogen embrittlement High entropy alloy Spallation Trans-scale model Statistical damage mechanics
DOI	10.1016/j.ijplas.2021.102944
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000634794900003
WOS研究方向	Engineering ; Materials Science ; Mechanics
WOS类目	Engineering, Mechanical ; Materials Science, Multidisciplinary ; Mechanics
资助项目	National Key Research and Development Program of China[2017YFB0702003] ; National Natural Science Foundation of China[11790292] ; NSFC Basic Science Center Program for Multiscale Problems in Nonlinear Mechanics[11988102] ; Strategic Priority Research Program[XDB22040302] ; Strategic Priority Research Program[XDB22040303] ; Key Research Program of Frontier Sciences[QYZDJSSWJSC011] ; Science Challenge Project[TZ2018001]
项目资助者	National Key Research and Development Program of China ; National Natural Science Foundation of China ; NSFC Basic Science Center Program for Multiscale Problems in Nonlinear Mechanics ; Strategic Priority Research Program ; Key Research Program of Frontier Sciences ; Science Challenge Project
论文分区	一类
力学所作者排名	1
引用统计	被引频次：16[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/86360
专题	非线性力学国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China; 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China; 3.Curtin Univ, Sch Civil & Mech Engn, Perth, WA 6845, Australia; 4.Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China
推荐引用方式 GB/T 7714	Xie ZC,Li C,Wang HY,et al. Hydrogen induced slowdown of spallation in high entropy alloy under shock loading[J]. INTERNATIONAL JOURNAL OF PLASTICITY,2021,139:19.
APA	谢周璨,李琛,汪海英,卢春生,&戴兰宏.(2021).Hydrogen induced slowdown of spallation in high entropy alloy under shock loading.INTERNATIONAL JOURNAL OF PLASTICITY,139,19.
MLA	谢周璨,et al."Hydrogen induced slowdown of spallation in high entropy alloy under shock loading".INTERNATIONAL JOURNAL OF PLASTICITY 139(2021):19.

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