Effects of oxygen outer gas on weld properties of gas pool coupled activating TIG welding

	Effects of oxygen outer gas on weld properties of gas pool coupled activating TIG welding
	Huang, Yong 1; Guo, Wei 1; Wang, Yanlei 2
刊名	Hanjie Xuebao/Transactions of the China Welding Institution
	2016-09-25
卷号	37 期号:9 页码:5-8
关键词	Ferrite Fracture toughness Inert gas welding Microstructure Oxygen Temperature Tensile properties Tensile strength Uranium alloys Welds Activating TIG welding Coupling degree Element contents Gas pool coupled GPCA-TIG welding Low temperature impact toughness SUS 304 stainless steel Weld properties
ISSN号	0253360X
英文摘要	Based on SUS304 stainless steel, bead-on-plate experiments for both ordinary TIG welding and GPCA-TIG welding using O2 as the outer gas were made to evaluate the oxygen content in the weld, micro-structure, the tensile properties and low temperature impact-toughness of the weld. The results show that, the weld micro-structure of GPCA-TIG welding mainly composites of austenite and ferrite. The morphology of ferrite is lacy and vermicular. Oxygen introduced as the outer gas makes the weld oxygen content increase. When the coupling degree is +2, the weld oxygen content is higher than that of coupling degree 0. The tensile strengths of the weld are all slight lower than those of the parent metal. The low temperature impact-toughness of the weld with coupling degree 0 is almost the same with that of TIG welding, while the low temperature impact-toughness value for coupling degree +2 is decreased and only reaches 85% of traditional TIG welding. © 2016, Editorial Board of Transactions of the China Welding Institution, Magazine Agency Welding. All right reserved.
语种	中文
出版者	Harbin Research Institute of Welding
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/112676]
专题	材料科学与工程学院
作者单位	1.State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China; 2.Hymetal Building Components (Shanghai) Co. Ltd., Shanghai; 201601, China
推荐引用方式 GB/T 7714	Huang, Yong,Guo, Wei,Wang, Yanlei. Effects of oxygen outer gas on weld properties of gas pool coupled activating TIG welding[J]. Hanjie Xuebao/Transactions of the China Welding Institution,2016,37(9):5-8.
APA	Huang, Yong,Guo, Wei,&Wang, Yanlei.(2016).Effects of oxygen outer gas on weld properties of gas pool coupled activating TIG welding.Hanjie Xuebao/Transactions of the China Welding Institution,37(9),5-8.
MLA	Huang, Yong,et al."Effects of oxygen outer gas on weld properties of gas pool coupled activating TIG welding".Hanjie Xuebao/Transactions of the China Welding Institution 37.9(2016):5-8.