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A theoretical lower limit for laser power in laser-enhanced arc welding

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Published under licence by IOP Publishing Ltd
, , Citation J Paulini and G Simon 1993 J. Phys. D: Appl. Phys. 26 1523 DOI 10.1088/0022-3727/26/9/029

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1 Inst. fur Theor. Phys., Tech. Univ. Braunschweig, Germany

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0022-3727/26/9/1523

Abstract

A physical mechanism for the enhancement effect in laser-enhanced arc welding (LEAW) is proposed. The minimum laser power for a CO2 and a Nd:YAG laser is calculated in the case of Fe-, Al- and Cu-based welding materials. The results are compatible with the pertinent welding experiments.

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10.1088/0022-3727/26/9/029