Nanostructure formation mechanism of alpha-titanium using SMAT

doi:10.1016/j.actamat.2004.05.023

IMR OpenIR

	Nanostructure formation mechanism of alpha-titanium using SMAT
	Zhu, KY ; Vassel, A ; Brisset, F ; Lu, K ; Lu, J
通讯作者	Lu, J()
	2004-08-16
发表期刊	ACTA MATERIALIA
ISSN	1359-6454
卷号	52 期号:14 页码:4101-4110
摘要	A nanostructured surface layer up to 50 mum thick was produced on commercially pure titanium using surface mechanical attrition treatment (SMAT). The microstructural features of the surface layer produced by SMAT were systematically characterized by cross-sectional optical microscopy observations, transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM) investigations. The grain refinement process, accompanied by an increase in strain in the surface layer, involves: (1) the onset of twins and the intersection of twin systems, (2) the formation of dislocation walls, (3) the nucleation of microbands associated with the splitting of dislocation walls, (4) the subdivision of microbands into low angle disoriented blocks and then highly disoriented polygonal submicronic grains, and (5) further breakdown of submicronic polygonal grains into randomly oriented nanograins. The final grain refinement step to form nanograins has been discussed on the basis of a recrystallization process. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
关键词	nanostructure recrystallization alpha-titanium SMAT
DOI	10.1016/j.actamat.2004.05.023
收录类别	SCI
语种	英语
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000223389800004
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/81534
通讯作者	Lu, J
作者单位	1.Univ Technol Troyes, CNRS, FRE 2719, LASMIS, Troyes, France 2.Off Natl Etud & Rech Aerosp, Mat Syst & Composites Dept, F-92322 Chatillon, France 3.Off Natl Etud & Rech Aerosp, CNRS, LEM, F-92322 Chatillon, France 4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhu, KY,Vassel, A,Brisset, F,et al. Nanostructure formation mechanism of alpha-titanium using SMAT[J]. ACTA MATERIALIA,2004,52(14):4101-4110.
APA	Zhu, KY,Vassel, A,Brisset, F,Lu, K,&Lu, J.(2004).Nanostructure formation mechanism of alpha-titanium using SMAT.ACTA MATERIALIA,52(14),4101-4110.
MLA	Zhu, KY,et al."Nanostructure formation mechanism of alpha-titanium using SMAT".ACTA MATERIALIA 52.14(2004):4101-4110.