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	EBSD analysis and theoretical prediction of twin orientations compression in Mg-3Al-1Zn
	Jiang, Jia ; Godfrey, Andrew ; Liu, Qing
	2010-05-10 ; 2010-05-10
会议名称	PROGRESSES IN FRACTURE AND STRENGTH OF MATERIALS AND STRUCTURES, 1-4 ; Asian Pacific Conference for Fracture and Strength (APCFS'06) ; Sanya, PEOPLES R CHINA ; Web of Science
关键词	AZ31 EBSD twinning orientations texture MAGNESIUM ALLOY DEFORMATION DIFFRACTION AZ31 Materials Science, Ceramics Materials Science, Composites
中文摘要	In order to improve the formability of magnesium alloys at low temperatures, a thorough understanding of the twinning behaviour is required. Cylindrical samples were compressed uniaxially from room temperature to 250 degrees C, with the compression axis parallel to the transverse direction (TD) of a hot-rolled Mg-3Al-1Zn sheet. Twinning was investigated by use of orientation maps constructed from electron backscattered diffraction (EBSD) data. Tensile twinning was observed at all temperatures. In some grains two twin variants were observed. For each twin the specific twinning variant among the 6 possible twinning systems was identified by consideration of the twinning rotation. The twinning was then investigated by comparing the specific twin variant with the calculated Schmid factors for all 6 possible twin variants. In cases of grains that are completely reoriented by two twin variants it is possible to back-calculate the initial grain orientation by considering all possible twin rotations for both of the twin variants. It was found that the operative twin variants where those with the highest Schmid factors.
会议录出版者	TRANS TECH PUBLICATIONS LTD ; STAFA-ZURICH ; LAUBLSRUTISTR 24, CH-8717 STAFA-ZURICH, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/17993]
专题	清华大学
推荐引用方式 GB/T 7714	Jiang, Jia,Godfrey, Andrew,Liu, Qing. EBSD analysis and theoretical prediction of twin orientations compression in Mg-3Al-1Zn[C]. 见:PROGRESSES IN FRACTURE AND STRENGTH OF MATERIALS AND STRUCTURES, 1-4, Asian Pacific Conference for Fracture and Strength (APCFS'06), Sanya, PEOPLES R CHINA, Web of Science.

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