The influence of temperature on twinning behavior of a Mg-Gd-Y alloy during hot compression

doi:10.1016/j.msea.2018.08.004

CORC > 金属研究所 > 中国科学院金属研究所

	The influence of temperature on twinning behavior of a Mg-Gd-Y alloy during hot compression
	Lu, S. H.1,2; Wu, D.1; Chen, R. S.1; Han, En-hou 1
刊名	MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
	2018-09-26
卷号	735 页码:173-181
关键词	Mg-Gd-Y alloy Hot compression Twin variant selection Schmid factor
ISSN号	0921-5093
DOI	10.1016/j.msea.2018.08.004
通讯作者	Wu, D.(dwu@imr.ac.cn) ; Chen, R. S.(rschen@imr.ac.cn)
英文摘要	The microstructure evolution and plastic deformation mechanism of Mg-6.58Gd-5.7Y-0.55Zr alloy were investigated by uniaxial compression at temperatures ranging from 300 degrees C to 450 degrees C and with an initial strain rate of 0.1 s(-1), and characterized by optical microscope (OM), scanning electron microscope (SEM) and electron back-scattering diffraction (EBSD). The effect of temperature on twinning behavior was focused in detail. At relatively low temperature, such as 300 degrees C, multiple twin variant pairs can be activated in one grain, and the twining process was dominated by nucleation. However, at high temperature, most of the twins activated in one grain belong to the single twin variant pair with the highest Schmid Factor (SF), and twin growth seems to represent the twinning behavior at 450 degrees C. The twinning behavior of Mg-6.58Gd-5.7Y-0.55Zr alloy at temperatures ranging from 300 degrees C to 450 degrees C basically follows Schmid law, and can be well understood in terms of variation of stress state and activated deformation modes with compression temperature.
资助项目	National Key Research and Development Program of China[2016YFB0301104] ; National Natural Science Foundation of China (NSFC)[51531002] ; National Natural Science Foundation of China (NSFC)[ 5130117351601193 51701218] ; National Science and Technology Major Project of China[2017ZX04014001] ; National Basic Research Program of China (973 Program)[2013CB632202]
WOS研究方向	Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000447117300020
资助机构	National Key Research and Development Program of China ; National Natural Science Foundation of China (NSFC) ; National Science and Technology Major Project of China ; National Basic Research Program of China (973 Program)
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/129760]
专题	金属研究所_中国科学院金属研究所
通讯作者	Wu, D.; Chen, R. S.
作者单位	1.Chinese Acad Sci, Inst Met Res, Grp Magnesium Alloys & Their Applicat, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Lu, S. H.,Wu, D.,Chen, R. S.,et al. The influence of temperature on twinning behavior of a Mg-Gd-Y alloy during hot compression[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2018,735:173-181.
APA	Lu, S. H.,Wu, D.,Chen, R. S.,&Han, En-hou.(2018).The influence of temperature on twinning behavior of a Mg-Gd-Y alloy during hot compression.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,735,173-181.
MLA	Lu, S. H.,et al."The influence of temperature on twinning behavior of a Mg-Gd-Y alloy during hot compression".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 735(2018):173-181.