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Influence of the oxidation process in laser gas cutting

: Schulz, W.; Simon, G.; Vicanek, M.; Decker, I.

Kreutz, E.W.; Quenzer, A. ; Association Nationale de la Recherche Technique -ANRT-; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
High Power Lasers. Sources, laser-material interactions, high excitations, and fast dynamics in laser processing and industrial applications
Bellingham/Wash.: SPIE, 1987 (Proceedings of SPIE 801)
ISBN: 0-89252-836-2
S.331-336 : Abb.,Lit.
International Symposium on Optical and Optoelectronic Applied Science and Engineering <4, 1987, The Hague>
Fraunhofer ILT ()
chemical reaction; diffusivity; ejection; flow density; fraction; hydrodynamics; oxide; surface; thickness

In laser gas cutting an appreciable fraction of the required energy flow density is contributed by the chemical reactions. As known from autogenous gas cutting two different mechanism controlled reaction within an oxide layer. The interdependencies of gas flow, chemical reaction process, laser power, cutting speed, and plate thickness are studied.