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HIGH EFFICIENCY WELDING PROCESS FOR STAINLESS STEEL MATERIALS
Lu Shanping; Dong Wenchao; Li Dianzhong; Li Yiyi
Corresponding AuthorLu Shanping(shplu@imr.ac.cn)
2010-11-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume46Issue:11Pages:1347-1364
AbstractThe high efficiency tungsten inert gas (TIG) welding process has been developed, including active flux welding process, mixed shielded welding process and double shielded welding process, to increase the weld depth/width ratio (D/W) of conventional TIG welding method. Compared to the active flux method, mixed shielding method can make penetration deeper and the industrialization can be realized easily due to the simplification in operation. Double shielded method can avoid the oxidation of tungsten electrode. The results of experiment and simulation show that the change of the Marangoni convection direction which arises from the adjustment of the oxygen content in the weld pool is one of the main factors contributing to the increase in TIG weld penetration, and the large D/W ratio can be obtained by adjusting the active element content in the liquid pool. High efficiency TIG welding process is not sensitive to welding parameters (welding speed, welding current and electrode gap) and therefore is suitable to be applied in industry easily.
Keywordstainless steel high efficiency welding process active element oxygen Marangoni convection weld pool shape
DOI10.3724/SP.J.1037.2010.00437
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000291336800007
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/100446
Collection中国科学院金属研究所
Corresponding AuthorLu Shanping
AffiliationChinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Lu Shanping,Dong Wenchao,Li Dianzhong,et al. HIGH EFFICIENCY WELDING PROCESS FOR STAINLESS STEEL MATERIALS[J]. ACTA METALLURGICA SINICA,2010,46(11):1347-1364.
APA Lu Shanping,Dong Wenchao,Li Dianzhong,&Li Yiyi.(2010).HIGH EFFICIENCY WELDING PROCESS FOR STAINLESS STEEL MATERIALS.ACTA METALLURGICA SINICA,46(11),1347-1364.
MLA Lu Shanping,et al."HIGH EFFICIENCY WELDING PROCESS FOR STAINLESS STEEL MATERIALS".ACTA METALLURGICA SINICA 46.11(2010):1347-1364.
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