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Tensile ductility of nanotwinned austenitic grains in an austenitic steel
F. K. Yan; N. R. Tao; K. Lu
2014
Source PublicationScripta Materialia
ISSN1359-6462
Volume84-85Pages:31-34
AbstractDynamic plastic deformation followed by recovery annealing of an austenitic stainless steel results in the formation of a hierarchical microstructure consisting of nanotwinned austenitic grains (>55 vol.%) mixed with nanograins and dislocation structures. The sample exhibits a yield strength of 1055 MPa and a uniform elongation of similar to 5.2% with a considerable work hardening. Such a remarkable tensile ductility originates from the intrinsic plasticity of the nanotwinned austenitic grains in which dislocation density is reduced after the recovery annealing. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[yan, f. k. ; tao, n. r. ; lu, k.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; tao, nr (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; nrtao@imr.ac.cn
KeywordNanotwins Austenitic Steel Ductility Recovery Stainless Steel Dynamic Plastic-deformation Stainless-steel Microstructure Evolution Alloys 316l Temperature Boundaries Nanoscale Strength Metals
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73460
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
F. K. Yan,N. R. Tao,K. Lu. Tensile ductility of nanotwinned austenitic grains in an austenitic steel[J]. Scripta Materialia,2014,84-85:31-34.
APA F. K. Yan,N. R. Tao,&K. Lu.(2014).Tensile ductility of nanotwinned austenitic grains in an austenitic steel.Scripta Materialia,84-85,31-34.
MLA F. K. Yan,et al."Tensile ductility of nanotwinned austenitic grains in an austenitic steel".Scripta Materialia 84-85(2014):31-34.
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