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RESEARCH PAPERS

Computational Model of Flame-Cutting

[+] Author and Article Information
L. E. Lindgren, M. Jonsson

Luleå University of Technology, Luleå, Sweden

A. Carlestam

SSAB Oxelösund AB, Oxelösund, Sweden

J. Eng. Mater. Technol 115(4), 440-445 (Oct 01, 1993) (6 pages) doi:10.1115/1.2904243 History: Received March 01, 1992; Revised February 28, 1993; Online April 29, 2008

Abstract

A computational model for simulation of flame-cutting has been developed. Two different cutting conditions are compared with respect to the residual stresses. The first case is a plate cut at room temperature and the other is the cutting of a preheated plate. The model depends on measured micro-structure to estimate the required heat input. The model is verified by comparing the calculations for the preheated plate with experimentally obtained residual stresses. Lower residual stresses in the preheated plate prevents subsequent cracking.

Copyright © 1993 by The American Society of Mechanical Engineers
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