Simplified model of deep penetration laser welding

Dieter Schuoecker; Alexander F. H. Kaplan

doi:10.1117/12.20551

1 October 1990 Simplified model of deep penetration laser welding

Dieter Schuoecker, Alexander F. H. Kaplan

Proceedings Volume 1276, CO2 Lasers and Applications II; (1990) https://doi.org/10.1117/12.20551
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

A mathematical model for deep penetration laser welding has been developed that considers only main phenomena. A moving linesource describes the net energy input given by the difference between laser power entering the keyhole and evaporation loss. Energy flow continuity yields the dependence of welding speed on the wall temperature of the keyhole. Since it is generally assumed that the keyhole is held open by the vapour pressure, a second condition for the keyhole wall temperature is obtained.

Citation Download Citation

Dieter Schuoecker and Alexander F. H. Kaplan "Simplified model of deep penetration laser welding", Proc. SPIE 1276, CO2 Lasers and Applications II, (1 October 1990); https://doi.org/10.1117/12.20551

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