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Proceedings Paper

Finite element analysis of laser transformation hardening
Author(s): J. Huetink; Leo H. J. F. Beckmann; H. J. M. Geijselaers
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Paper 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.

Paper Details

Date Published: 1 October 1990
PDF: 11 pages
Proc. SPIE 1276, CO2 Lasers and Applications II, (1 October 1990); doi: 10.1117/12.20564
Show Author Affiliations
J. Huetink, Univ. Twente (Netherlands)
Leo H. J. F. Beckmann, Univ. Twente (Netherlands)
H. J. M. Geijselaers, Univ. Twente (Netherlands)

Published in SPIE Proceedings Vol. 1276:
CO2 Lasers and Applications II
Hans Opower, Editor(s)

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