IMR OpenIR
Rapid heating induced ultrahigh stability of nanograined copper
Li, X. Y.; Zhou, X.; Lu, K.
Corresponding AuthorLi, X. Y.(xyli@imr.ac.cn) ; Lu, K.(lu@imr.ac.cn)
2020-04-01
Source PublicationSCIENCE ADVANCES
ISSN2375-2548
Volume6Issue:17Pages:6
AbstractInherent thermal and mechanical instability of nanograined materials bottlenecks their processing and technological applications. In addition to the traditional stabilization strategy, which is based on alloying, grain boundary relaxation was recently found to be effective in stabilizing nanograined pure metals. Grain boundary relaxation can be induced by deforming very fine nanograins below a critical size, typically several tens of nanometers. Here, we found that rapid heating may trigger intensive boundary relaxation of pure Cu nanograins with sizes up to submicrometers, a length scale with notable instability in metals. The rapidly heated Cu nanograins remain stable at temperatures as high as 0.6 T-m (melting point), even higher than the recrystallization temperature of deformed coarse-grained Cu. The thermally induced grain boundary relaxation originating from the generation of high-density nanotwins offers a alternative approach to stabilizing nanostructured materials.
Funding OrganizationMinistry of Science and Technology of China ; National Science Foundation of China ; Chinese Academy of Sciences
DOI10.1126/sciadv.aaz8003
Indexed BySCI
Language英语
Funding ProjectMinistry of Science and Technology of China[2017YFA0204401] ; Ministry of Science and Technology of China[2017YFA0700700] ; National Science Foundation of China[51231006] ; Chinese Academy of Sciences[zdyz201701]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000530628100037
PublisherAMER ASSOC ADVANCEMENT SCIENCE
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138808
Collection中国科学院金属研究所
Corresponding AuthorLi, X. Y.; Lu, K.
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Li, X. Y.,Zhou, X.,Lu, K.. Rapid heating induced ultrahigh stability of nanograined copper[J]. SCIENCE ADVANCES,2020,6(17):6.
APA Li, X. Y.,Zhou, X.,&Lu, K..(2020).Rapid heating induced ultrahigh stability of nanograined copper.SCIENCE ADVANCES,6(17),6.
MLA Li, X. Y.,et al."Rapid heating induced ultrahigh stability of nanograined copper".SCIENCE ADVANCES 6.17(2020):6.
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