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Microstructural Dev...
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Niederhauser, Simon,1974Chalmers tekniska högskola,Chalmers University of Technology
(author)
Microstructural Development in the Heat-Affected Zone of Laser-Cladded Steel
- Article/chapterEnglish2005
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LIBRIS-ID:oai:research.chalmers.se:caafad85-2be8-4fa9-b243-a545e0da7200
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https://research.chalmers.se/publication/11110URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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The surface of a medium carbon steel sheet was laser cladded with a Co-Cr alloy in two layers by a multi-pass technique. This study is concerned with the heat-affected zone (HAZ) created. Within this zone, austenitisation and martensite formation take place repeatedly twice or three times followed by later tempering. This change in microstructure is associated with a hardening and a softening. The microstructure consists of tempered martensite close to the heat source, an intermediate zone of tempered martensite/bainite and a partially transformed zone. However, the hardness is constant throughout the HAZ and decreases in the partially transformed zone to the substrate hardness. The analysis of the microstructure and the hardness are used to re-establish the temperature history encountered by the material in the HAZ. It could be shown that the HAZ has a translational symmetry that can be approximated by a 2-D sheet structure. © 2005 Carl Hanser Verlag, München.
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Karlsson, Birger,1941Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)bk
(author)
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Sotkovszki, Peter,1936Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)peso
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
Related titles
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In:Zeitschrift für Metallkunde96:4, s. 370-376
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