IMECH-IR  > 非线性力学国家重点实验室
Tailoring heterogeneities in high-entropy alloys to promote strength-ductility synergy
Ma E1; Wu XL(武晓雷)2
Corresponding AuthorMa, Evan(ema@jhu.edu) ; Wu, Xiaolei(xlwu@imech.ac.cn)
Source PublicationNATURE COMMUNICATIONS
2019-12-09
Volume10Pages:10
ISSN2041-1723
AbstractConventional alloys are usually based on a single host metal. Recent high-entropy alloys (HEAs), in contrast, employ multiple principal elements. The strength of HEAs is considerably higher than traditional solid solutions, as the many constituents lead to a rugged energy landscape that increases the resistance to dislocation motion, which can also be retarded by other heterogeneities. The wide variety of nanostructured heterogeneities in HEAs, including those generated on the fly during tensile straining, also offer elevated strain-hardening capability that promotes uniform tensile ductility. Citing recent examples, this review explores the multiple levels of heterogeneities in multi-principal-element alloys that contribute to lattice friction and back stress hardening, as a general strategy towards strength-ductility synergy beyond current benchmark ranges.
DOI10.1038/s41467-019-13311-1
Indexed BySCI ; EI
Language英语
WOS IDWOS:000503199400001
WOS KeywordSEVERE PLASTIC-DEFORMATION ; MECHANICAL-PROPERTIES ; TENSILE PROPERTIES ; NANOSTRUCTURED METALS ; ULTRAHIGH STRENGTH ; FRICTION STRESS ; NANOCRYSTALLINE ; MICROSTRUCTURE ; DISLOCATION ; DESIGN
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
Funding ProjectUS-NSF-DMR[1804320] ; MOST of China[2019YFA0200082] ; MOST of China[2017YFA0204402] ; NSFC[11972350]
Funding OrganizationUS-NSF-DMR ; MOST of China ; NSFC
Classification一类
Ranking1
ContributorMa, Evan ; Wu, Xiaolei
Citation statistics
Cited Times:283[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/81245
Collection非线性力学国家重点实验室
Affiliation1.Johns Hopkins Univ, Dept Mat Sci & Engn, Baltimore, MD 21218 USA;
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Ma E,Wu XL. Tailoring heterogeneities in high-entropy alloys to promote strength-ductility synergy[J]. NATURE COMMUNICATIONS,2019,10:10.
APA Ma E,&武晓雷.(2019).Tailoring heterogeneities in high-entropy alloys to promote strength-ductility synergy.NATURE COMMUNICATIONS,10,10.
MLA Ma E,et al."Tailoring heterogeneities in high-entropy alloys to promote strength-ductility synergy".NATURE COMMUNICATIONS 10(2019):10.
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