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Architectured surface layer with a gradient nanotwinned structure in a Fe-Mn austenitic steel
H. T. Wang; N. R. Tao; K. Lu
2013
Source PublicationScripta Materialia
ISSN1359-6462
Volume68Issue:1Pages:22-27
AbstractA surface layer with a gradient decrease in twin density has been produced in a Fe-Mn austenitic steel, which corresponds to a gradient drop in hardness from 5.3 GPa in the top surface to 2.2 GPa in the coarse grained core. The dependence of hardness on the twin thickness was determined, showing a weaker strengthening effect of twin boundaries than that of conventional grain boundaries in this alloy. Superior strength-ductility synergy was observed in tensile tests of the gradient nanotwinned layer. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[wang, h. t. ; tao, n. r. ; lu, k.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; lu, k (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; lu@imr.ac.cn
KeywordArchitectured Materials Nanoscale Twins Surface Mechanical Grinding Treatment Gradient Structure Mechanical Attrition Treatment Compositionally Graded Materials Stainless-steel Copper Boundaries Strength Refinement Contact Scale
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71529
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
H. T. Wang,N. R. Tao,K. Lu. Architectured surface layer with a gradient nanotwinned structure in a Fe-Mn austenitic steel[J]. Scripta Materialia,2013,68(1):22-27.
APA H. T. Wang,N. R. Tao,&K. Lu.(2013).Architectured surface layer with a gradient nanotwinned structure in a Fe-Mn austenitic steel.Scripta Materialia,68(1),22-27.
MLA H. T. Wang,et al."Architectured surface layer with a gradient nanotwinned structure in a Fe-Mn austenitic steel".Scripta Materialia 68.1(2013):22-27.
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