Finite element analysis of laser transformation hardening

J. Huetink; Leo H. J. F. Beckmann; H. J. M. Geijselaers

doi:10.1117/12.20564

1 October 1990 Finite element analysis of laser transformation hardening

J. Huetink, Leo H. J. F. Beckmann, H. J. M. Geijselaers

Proceedings Volume 1276, CO2 Lasers and Applications II; (1990) https://doi.org/10.1117/12.20564
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

The problem of determining stresses, phase compositions and temperature distributions during the transformation hardening of steel with a CO-laser beam is investigated. To model the different phases in each material point a parallel fraction model is used, in which each fraction represents one phase. The description of phase transformations is obtained by an incremental formulation of the Avrami-equation for isothermal transformation. A model is developed to describe the superheating of ferrite and pearlite. The model is demonstrated by a detailed computation of stresses, deformations and phase compositions in the case of a stationary laser flash.

Citation Download Citation

J. Huetink, Leo H. J. F. Beckmann, and H. J. M. Geijselaers "Finite element analysis of laser transformation hardening", Proc. SPIE 1276, CO2 Lasers and Applications II, (1 October 1990); https://doi.org/10.1117/12.20564

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