Preprints of the National Meeting of JWS
Preprints of the National Meeting of JWS
Session ID : 302
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Effect of electrode shape on arc plasma
*Yoji Ogawa
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
Arc plasma profile of GTA welding is much influenced by electrode angle, shielding gas composition and arc current form such as direct current, alternative current and pulse current. And, oxide film or active flux on a mother plate also affect not only fluid metal flow but also plasma profile. Arc plasma profiles in different arc conditions are evaluated by ultra high speed camera and high resolution camera.
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© 2011 by Japan Welding Society
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