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	Microstructure-grain orientation relationship in coarse grain nickel cold-rolled to large strain
	Chen, H. S. ; Godfrey, A. ; Hansen, N. ; Xie, J. X. ; Liu, Q.
	2010-05-10 ; 2010-05-10
会议名称	MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING ; 14th International Conference on the Strength of Materials (ICSMA 14) ; Xian, PEOPLES R CHINA ; Web of Science
关键词	deformation microstructure grain orientation rolling nickel ALUMINUM SINGLE-CRYSTAL LOCAL CRYSTALLOGRAPHY SLIP PATTERN EVOLUTION Nanoscience & Nanotechnology Materials Science, Multidisciplinary
中文摘要	The relationship between crystallographic orientation and the deformation microstructure formed during cold-rolling to high strains (up to epsilon(vM) = 4.5) has been investigated. The starting material was Ni (99.96% purity) with a coarse initial average grain size (approximately 500 mu m). Microstructural characterization was carried out using a combination of electron channeling contrast imaging and electron back-scatter diffraction orientation mapping. An orientation dependence of the deformation microstructure was observed even at the highest strain examined. A large increase in the average boundary misorientation is found at strains above epsilon(vM) = 1.8 for regions with the {112} < 111 > and {123} < 634 > orientations. This increase accompanies the structural transition from a medium strain microstructure to a high strain lamellar microstructure. In contrast, the average misorientation in regions of {110} < 112 > orientation increases only slowly even up to the highest strain examined. (c) 2007 Elsevier B.V. All rights reserved.; Xian Jiaotong Univ
会议录出版者	ELSEVIER SCIENCE SA ; LAUSANNE ; PO BOX 564, 1001 LAUSANNE, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18212]
专题	清华大学
推荐引用方式 GB/T 7714	Chen, H. S.,Godfrey, A.,Hansen, N.,et al. Microstructure-grain orientation relationship in coarse grain nickel cold-rolled to large strain[C]. 见:MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 14th International Conference on the Strength of Materials (ICSMA 14), Xian, PEOPLES R CHINA, Web of Science.

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