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Laser cutting of steels: analysis of the particles ejected during cutting
Luleå tekniska universitet.
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
1992 (English)In: Welding in the World, ISSN 0043-2288, E-ISSN 1878-6669, Vol. 30, no 5-6, p. 116-125Article in journal (Refereed) Published
Abstract [en]

The particles ejected during the CO sub 2 laser cutting of mild and stainless steel were examined by electron microscopy, energy dispersive X-ray analysis and optical microscopy. The material leaves the cut zone as partially oxidized droplets which range in size from 50-500 mu m in diameter. When cutting mild steel approx 50% of the Fe is converted to FeO during the cutting process, whereas for stainless steel approx 30% of the Fe is oxidized to Fe sub 2 O sub 3 . The mild steel particles were found to exist in five distinct oxidation stages whereas the stainless steel particles fell into four groups containing not only Fe sub 2 O sub 3 but also Cr sub 2 O sub 3 and NiO.

Place, publisher, year, edition, pages
1992. Vol. 30, no 5-6, p. 116-125
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-7399Local ID: 5c516a60-0fcf-11de-b3bc-000ea68e967bOAI: oai:DiVA.org:ltu-7399DiVA: diva2:980288
Note
Godkänd; 1992; 20090313 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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