Fracture behavior of an austenitic stainless steel with nanoscale deformation twins

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	Fracture behavior of an austenitic stainless steel with nanoscale deformation twins
	Xiong, L. ; You, Z. S. ; Lu, L.
刊名	SCRIPTA MATERIALIA
	2017-01-15
卷号	127 页码:173-177
关键词	Nanotwinned stainless steel Fracture toughness Shear deformation Void nucleation
ISSN号	1359-6462
通讯作者	Lu, L (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
中文摘要	A bulk nanotwinned austenitic stainless steel containing a large volume fraction of deformation twins was produced by dynamic plastic deformation. The tensile tests and J-integral fracture toughness measurements indicate that this steel exhibits a combination of high strength (sigma(ys) = 920 MPa) and considerable fracture toughness (K-JC > 126 MPa m(1/2)). The fracture is associated with localized shear band induced destruction of the nanotwinned structure and with micro-void development at the generated nanoscale large angle grain boundaries within the shear bands, which consumes large plastic energy and contributes the fracture resistance. (C) 2016 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved.
学科主题	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
收录类别	SCI
资助信息	National Basic Research Program of China (973 Program) [2012CB932202]; National Science Foundation of China [51420105001, 51171181, 51371171, 51471172, 51401211]
语种	英语
公开日期	2017-08-17
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/78341]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	Xiong, L.,You, Z. S.,Lu, L.. Fracture behavior of an austenitic stainless steel with nanoscale deformation twins[J]. SCRIPTA MATERIALIA,2017,127:173-177.
APA	Xiong, L.,You, Z. S.,&Lu, L..(2017).Fracture behavior of an austenitic stainless steel with nanoscale deformation twins.SCRIPTA MATERIALIA,127,173-177.
MLA	Xiong, L.,et al."Fracture behavior of an austenitic stainless steel with nanoscale deformation twins".SCRIPTA MATERIALIA 127(2017):173-177.