### Abstract

Original language | English |
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Publication status | Published - Mar 1990 |

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*Finite element analysis of laser transformation hardening*.

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**Finite element analysis of laser transformation hardening.** / Huetink, Han; Beckmann, L.H.J.F.; Geijselaers, Hubertus J.M.

Research output: Contribution to conference › Paper

TY - CONF

T1 - Finite element analysis of laser transformation hardening

AU - Huetink, Han

AU - Beckmann, L.H.J.F.

AU - Geijselaers, Hubertus J.M.

PY - 1990/3

Y1 - 1990/3

N2 - 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.

AB - 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.

M3 - Paper

ER -