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Laser Hardening of Steel

Published online by Cambridge University Press:  21 February 2011

B. Bengtsson ,
W-B. Li  and
K.E. Easterling
B. Bengtsson
Affiliation:
Department of Engineering Materials, University of Luleå, S-951 87 Luleå, Sweden
W-B. Li
Affiliation:
Department of Engineering Materials, University of Luleå, S-951 87 Luleå, Sweden
K.E. Easterling
Affiliation:
Department of Engineering Materials, University of Luleå, S-951 87 Luleå, Sweden
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Abstract

Changes in microstructure due to phase transformation are measured for a number of laser-hardening treatments in both an Nb-microalloyed and a medium carbon steel. These measurements are correlated with theoretical predictions of laser thermal cycles and good agreement is obtained. The kinetics of the ferritic/pearlitic→austenite transformation are also discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 21: Symposium GREECE – Phase Transformations in Solids , 1983 , 789
Copyright
Copyright © Materials Research Society 1984

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References

PEFERENCES

1. Rosenthal, D., Trans. Am. Soc. Metals, 68, 849 (1946)Google Scholar
2. Ashby, M.F. and Easterling, K.E., Acta Met., 30, 1969 (1982)Google Scholar