Journal
OPTICS AND LASERS IN ENGINEERING
Volume 49, Issue 8, Pages 1069-1075Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlaseng.2011.03.011
Keywords
Laser cutting; Fiber laser; Brewster angle; Striations; Oxygen
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This paper presents the results of an experimental and theoretical investigation into the phenomenon of 'striation free cutting', which is a feature of fibre laser/oxygen cutting of thin section mild steel. The paper concludes that the creation of very low roughness edges is related to an optimisation of the cut front geometry when the cut front is inclined at angles close to the Brewster angle for the laser-material combination. (C) 2011 Elsevier Ltd. All rights reserved.
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