Single pass full penetration joining for heavy plate steel using high current GMA process

Single pass full penetration joining for heavy plate steel using high current GMA process As an arc voltage decreases, an arc length shortens and a surface of molten pool right under the arc becomes dented at a high current range in gas metal arc welding (GMAW) using 100% CO2 as a shielding gas and a carbon steel solid wire. And the arc is finally generated at a lower position under the surface of the molten pool and in a space formed by a wall of molten pool. A spatter generation level is extremely low even at a high current range in this metal transfer mode. This arc phenomenon is referred to as “buried arc,” and the arc stabilization technique at the high current buried arc more than 450A is described in this report. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Welding in the World Springer Journals

Single pass full penetration joining for heavy plate steel using high current GMA process

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by International Institute of Welding
Subject
Materials Science; Metallic Materials; Continuum Mechanics and Mechanics of Materials; Theoretical and Applied Mechanics
ISSN
0043-2288
eISSN
1878-6669
D.O.I.
10.1007/s40194-017-0464-7
Publisher site
See Article on Publisher Site

Abstract

As an arc voltage decreases, an arc length shortens and a surface of molten pool right under the arc becomes dented at a high current range in gas metal arc welding (GMAW) using 100% CO2 as a shielding gas and a carbon steel solid wire. And the arc is finally generated at a lower position under the surface of the molten pool and in a space formed by a wall of molten pool. A spatter generation level is extremely low even at a high current range in this metal transfer mode. This arc phenomenon is referred to as “buried arc,” and the arc stabilization technique at the high current buried arc more than 450A is described in this report.

Journal

Welding in the WorldSpringer Journals

Published: Apr 6, 2017

References

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