期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 39, 期 6, 页码 1120-1126出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/39/6/017
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The coupling arc of twin-electrode TIG (T-TIG) is a particular kind of arc, which is achieved through the coupling, of two arcs generated from two insulated electrodes in the same welding torch. It is therefore different from the single arc of conventional TIG in its physical characteristics. This paper studies the distribution of T-TIG coupling arc pressure, and analyses the influences of welding current, arc length the distance between electrode tips and electrode shape upon arc pressure on the basis of experiment. It is expected that the T-TIG welding method can be applied in high efficiency welding according to its low arc pressure.
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