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Fibre laser cutting of thin section mild steel: an explanation of the 'striation free' effect

Powell, J.; Al-Mashikhi, S.O.; Kaplan, A.F.H.; Voisey, K.T.

Authors

J. Powell

S.O. Al-Mashikhi

A.F.H. Kaplan

K.T. Voisey katy.voisey@nottingham.ac.uk



Abstract

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.

Journal Article Type Article
Publication Date Jan 1, 2011
Journal Optics and Lasers in Engineering
Print ISSN 0143-8166
Electronic ISSN 0143-8166
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 49
Issue 8
APA6 Citation Powell, J., Al-Mashikhi, S., Kaplan, A., & Voisey, K. (2011). Fibre laser cutting of thin section mild steel: an explanation of the 'striation free' effect. Optics and Lasers in Engineering, 49(8), doi:10.1016/j.optlaseng.2011.03.011
DOI https://doi.org/10.1016/j.optlaseng.2011.03.011
Keywords Laser cutting; Fiber laser; Brewster angle; Striations; Oxygen
Publisher URL http://www.sciencedirect.com/science/article/pii/S0143816611000832
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information NOTICE: this is the author’s version of a work that was accepted for publication in Optics and Lasers in Engineering. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Optics and Lasers in Engineering, 49(8) (2011), doi: 10.1016/j.optlaseng.2011.03.011

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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