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Enhancing fracture toughness of nanotwinned austenitic steel by thermal annealing
Xiong, L.; You, Z. S.; Lu, L.; Lu, L (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-07-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume119Pages:55-59
AbstractThe fracture behavior was investigated of a 316L austenitic stainless steel with heterogeneously distributed nanotwin bundles, prepared by dynamic plastic deformation and subsequent annealing at different temperatures. The results indicate that the controlled annealing causes a slight decrease in the strength, but remarkably improves the fracture resistance, and therefore enhances the strength-toughness synergy. The toughness enhancement is attributable to the formation of recovered sub-micron-sized and recrystallized micron-sized grains postponing crack nucleation and to the remnant nanotwin bundles arresting crack propagation. (C) 2016 Published by Elsevier Ltd.
description.department[xiong, l. ; you, z. s. ; lu, l.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china ; [you, z. s.] nanjing univ sci & technol, herbert gleiter inst nanosci, 200 xiaolingwei st, nanjing 210094, jiangsu, peoples r china
KeywordDynamic Plastic Deformation Austenitic Stainless Steel Nanotwins Fracture Toughness Thermal Annealing
Subject AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Basic Research Program of China (973 Program) [2012CB932202]; National Science Foundation of China [51420105001, 51371171, 51471172, 51401211]; Chinese Academy of Sciences
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75819
Collection中国科学院金属研究所
Corresponding AuthorLu, L (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Xiong, L.,You, Z. S.,Lu, L.,et al. Enhancing fracture toughness of nanotwinned austenitic steel by thermal annealing[J]. SCRIPTA MATERIALIA,2016,119:55-59.
APA Xiong, L.,You, Z. S.,Lu, L.,&Lu, L .(2016).Enhancing fracture toughness of nanotwinned austenitic steel by thermal annealing.SCRIPTA MATERIALIA,119,55-59.
MLA Xiong, L.,et al."Enhancing fracture toughness of nanotwinned austenitic steel by thermal annealing".SCRIPTA MATERIALIA 119(2016):55-59.
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