Formation of nanostructured surface layer on AISI 304 stainless steel by means of surface mechanical attrition treatment

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	Formation of nanostructured surface layer on AISI 304 stainless steel by means of surface mechanical attrition treatment
	H. W. Zhang; Z. K. Hei; G. Liu; J. Lu; K. Lu
	2003
发表期刊	Acta Materialia
ISSN	1359-6454
卷号	51 期号:7 页码:1871-1881
摘要	A nanostructured surface layer was formed on an AISI 304 stainless steel with low stacking-fault energy by means of the surface mechanical attrition treatment (SMAT). The microstructure of the surface layer of the SMATed sample was characterized by using X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM), and cross-sectional TEM observation was performed to reveal the deformation-driven grain refinement mechanism for the f.c.c. materials with very low stacking-fault energy during SMAT. The grain refinement process in the surface layer involves formation of planar dislocation arrays and twins in deformed grains, twin-twin intersections leading to grain subdivision and a martensite transformation as well, and formation of randomly orientated refined crystallites. The formation of nanocrystallites in the top surface layer was ascribed to the much large strain and strain rate, as well as the multidirectional repetitive loading. (C) 2003 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
部门归属	chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. dalian maritime univ, inst mat & technol, dalian 116026, peoples r china. univ technol troyes, lasmis, f-10000 troyes, france.;lu, k (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
关键词	Surface Mechanical Attrition Treatment Nanostructured Material Grain Refinement Mechanism Aisi 304 Stainless Steel Mechanical Twins Deformation-induced Transformation Microstructural Evolution Room-temperature Strain State Fcc Alloys Nanocrystallization Fe Behavior Grain
URL	查看原文
WOS记录号	WOS:000182138200004
引用统计	被引频次：644[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/36159
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	H. W. Zhang,Z. K. Hei,G. Liu,et al. Formation of nanostructured surface layer on AISI 304 stainless steel by means of surface mechanical attrition treatment[J]. Acta Materialia,2003,51(7):1871-1881.
APA	H. W. Zhang,Z. K. Hei,G. Liu,J. Lu,&K. Lu.(2003).Formation of nanostructured surface layer on AISI 304 stainless steel by means of surface mechanical attrition treatment.Acta Materialia,51(7),1871-1881.
MLA	H. W. Zhang,et al."Formation of nanostructured surface layer on AISI 304 stainless steel by means of surface mechanical attrition treatment".Acta Materialia 51.7(2003):1871-1881.