Observation of arc phenomena in plasma GMA welding process

被引：0

作者：

Tetsuji, Kozuru ^{[1
]}

Manabu, Tanaka ^{[2
]}

Shinichi, Tashiro ^{[2
]}

Kazuhiro, Nakata ^{[2
]}

机构：

[1] Graduate School, Osaka University, Osaka

[2] JWRI, Osaka University, Osaka

来源：

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society | 2009年 / 27卷 / 02期

关键词：

Clean and welding; Gma welding; Plasma; Plasma mig;

D O I：

10.2207/qjjws.27.42s

中图分类号：

学科分类号：

摘要：

This paper presents characteristics of ionized gas metal arc processing which consists of a torch, a welding wire, shielding gases and two power sources. One of power sources ionizes the shielding gases before feeding into the arc region and another stably produces the arc with melting wire electrode. The degree of ionization in the shielding gas is well regulated by the primary power source, and then the secondary power source is able to control the arc devotedly, including the production and detachment of molten droplet at tip of the wire electrode. It is concluded that the ionized gas metal arc can make a stable processing of welding without spatters and fumes in comparison with the conventional gas metal arc processing. Furthermore, it is suggested that the ionized gas metal arc is very useful for not only welding but also thermal spraying for producing a fine coating of metal surface.

引用

页码：42s / 44s

页数：2

共 5 条

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[2] Tanaka M., J. Japan Welding Soc., 82, pp. 220-221, (2008)
[3] Oji Y., J. Japan Basic of Joining and Welding Process, (1996)
[4] Ton H., Physical properties of the plasma-MIG welding arc, Journal of Physics D: Applied Physics, 8, (1975)
[5] Terashima S., Bhadeshia H.K.K.D.H., change in toughness at low oxygen concentrations in steel weld metals, Science and Technology of Welding and Joining, 11, 5, pp. 509-516, (2006)

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