Characteristics of AZ31 Mg alloy joint using automatic TIG welding

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	Characteristics of AZ31 Mg alloy joint using automatic TIG welding
	Liu, Hong-tao ; Zhou, Ji-xue ; Zhao, Dong-qing ; Liu, Yun-teng ; Wu, Jian-hua ; Yang, Yuan-sheng ; Ma, Bai-chang ; Zhuang, Hai-hua
刊名	INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
	2017
卷号	24 期号:1 页码:102-108
关键词	magnesium alloys TIG welding microstructure texture microhardness
ISSN号	1674-4799
通讯作者	Liu, HT (reprint author), Shandong Acad Sci, Adv Mat Inst, Shandong Key Lab High Strength Lightweight Metall, Jinan 250014, Peoples R China.
中文摘要	The automatic tungsten-inert gas welding (ATIGW) of AZ31 Mg alloys was performed using a six-axis robot. The evolution of the microstructure and texture of the AZ31 auto-welded joints was studied by optical microscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, and electron backscatter diffraction. The ATIGW process resulted in coarse recrystallized grains in the heat affected zone (HAZ) and epitaxial growth of columnar grains in the fusion zone (FZ). Substantial changes of texture between the base material (BM) and the FZ were detected. The {0002} basal plane in the BM was largely parallel to the sheet rolling plane, whereas the c-axis of the crystal lattice in the FZ inclined approximately 25A degrees with respect to the welding direction. The maximum pole density increased from 9.45 in the BM to 12.9 in the FZ. The microhardness distribution, tensile properties, and fracture features of the AZ31 auto-welded joints were also investigated.
学科主题	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
收录类别	SCI
资助信息	National Key Research and Development Plan of China [2016YFB0701200, 2016YFB0301105]; Natural Science Foundation of Shandong Province, China [ZR2015EQ019, BS2015CL016, ZR2015YL007]; Youth Foundation of Shandong Academy of Sciences, China [2016QN015]
语种	英语
公开日期	2017-08-17
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/78374]
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	Liu, Hong-tao,Zhou, Ji-xue,Zhao, Dong-qing,et al. Characteristics of AZ31 Mg alloy joint using automatic TIG welding[J]. INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,2017,24(1):102-108.
APA	Liu, Hong-tao.,Zhou, Ji-xue.,Zhao, Dong-qing.,Liu, Yun-teng.,Wu, Jian-hua.,...&Zhuang, Hai-hua.(2017).Characteristics of AZ31 Mg alloy joint using automatic TIG welding.INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,24(1),102-108.
MLA	Liu, Hong-tao,et al."Characteristics of AZ31 Mg alloy joint using automatic TIG welding".INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS 24.1(2017):102-108.