HIGH EFFICIENCY WELDING PROCESS FOR STAINLESS STEEL MATERIALS | |
Lu Shanping; Dong Wenchao; Li Dianzhong; Li Yiyi | |
刊名 | ACTA METALLURGICA SINICA
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2010-11-11 | |
卷号 | 46期号:11页码:1347-1364 |
关键词 | stainless steel high efficiency welding process active element oxygen Marangoni convection weld pool shape |
ISSN号 | 0412-1961 |
DOI | 10.3724/SP.J.1037.2010.00437 |
通讯作者 | Lu Shanping(shplu@imr.ac.cn) |
英文摘要 | The 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. |
WOS研究方向 | Metallurgy & Metallurgical Engineering |
语种 | 英语 |
出版者 | SCIENCE CHINA PRESS |
WOS记录号 | WOS:000291336800007 |
内容类型 | 期刊论文 |
源URL | [http://ir.imr.ac.cn/handle/321006/100445] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
通讯作者 | Lu Shanping |
作者单位 | Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China |
推荐引用方式 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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