Welding

Research from University of Kentucky in welding provides new insights

Published in TB and Outbreaks Week, October 5th, 2010

"A novel modification to conventional GMAW is introduced by applying a low-power laser to droplets to generate an auxiliary detaching force. The electromagnetic force needed to detach droplets, thus the current that determines this force, is reduced," investigators in the United States report.

"The undesired dependence of the metal transfer on the current is decoupled such that the current may be freely chosen to control the weld penetration and weld pool without restrictions as in conventional GMAW due to the need for metal transfer. The resultant process is referred to as laser-enhanced gas metal arc welding. To prove the feasibility of this idea, a constant-power...

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Source: TB and Outbreaks Week (2010-10-05)

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