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Proceedings Paper

Simplified model of deep penetration laser welding
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Paper 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.

Paper Details

Date Published: 1 October 1990
PDF: 10 pages
Proc. SPIE 1276, CO2 Lasers and Applications II, (1 October 1990); doi: 10.1117/12.20551
Show Author Affiliations
Dieter Schuoecker, Technische Univ. Wien (Austria)
Alexander F. H. Kaplan, Technische Univ. Wien (Japan)

Published in SPIE Proceedings Vol. 1276:
CO2 Lasers and Applications II
Hans Opower, Editor(s)

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