Chromizing behaviors of a low carbon steel processed by means of surface mechanical attrition treatment

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	Chromizing behaviors of a low carbon steel processed by means of surface mechanical attrition treatment
	Z. B. Wang ; J. Lu ; K. Lu
刊名	Acta Materialia
	2005
卷号	53 期号:7 页码:2081-2089
关键词	nanostructured low carbon steel surface mechanical attrition treatment high store energy chromizing diffusion nanocrystalline materials aisi 304-stainless-steel iron nitrides diffusion alloys layer nanostructure carbide metals
ISSN号	1359-6454
中文摘要	A nanostructured surface layer of about 20 mu m thick was produced in a low carbon steel plate by means of the surface mechanical attrition treatment (SMAT). Chromizing behaviors of the SMAT sample were investigated by using X-ray diffraction, scanning electron microscopy and transmission electron microscopy. Experimental results showed that a much thicker Cr-diffusion layer was obtained in the SMAT sample than in the coarse-grained one after the same chromizing treatment, especially at low temperatures. In the SMAT sample, the formation temperature of chromium compounds was found to be much lower and the amount of chromium carbides was higher than those in the coarse-grained counterpart. The enhanced chromizing kinetics originates from numerous grain boundaries with a high excess stored energy in the nanostructured surface layer due to severe plastic deformation during the SMAT. (c) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
原文出处	://WOS:000228239600021
公开日期	2012-04-14
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/35100]
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	Z. B. Wang,J. Lu,K. Lu. Chromizing behaviors of a low carbon steel processed by means of surface mechanical attrition treatment[J]. Acta Materialia,2005,53(7):2081-2089.
APA	Z. B. Wang,J. Lu,&K. Lu.(2005).Chromizing behaviors of a low carbon steel processed by means of surface mechanical attrition treatment.Acta Materialia,53(7),2081-2089.
MLA	Z. B. Wang,et al."Chromizing behaviors of a low carbon steel processed by means of surface mechanical attrition treatment".Acta Materialia 53.7(2005):2081-2089.