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Numerical modelling of laser rapid prototyping by fusion wire deposit

Article dans une revue avec comité de lecture
Author
ARBAOUI, Larbi
1158 Centre de Mise en Forme des Matériaux [CEMEF]
MASSE, Jean-Eric
211915 Mechanics surfaces and materials processing [MSMP]
BARRALLIER, Laurent
211915 Mechanics surfaces and materials processing [MSMP]
MOCELLIN, Katia
1158 Centre de Mise en Forme des Matériaux [CEMEF]

URI
http://hdl.handle.net/10985/8414
DOI
10.1007/s12289-010-0962-2
Date
2010
Journal
International Journal of Material Forming

Abstract

A finite element model has been developed to simulate an innovative laser rapid prototyping process. Several numerical developments have been implemented in order to simulate the main steps of the rapid prototyping process: injection, heating, phase change and deposit. The numerical model also takes into account different phenomena: surface tension in the liquid state, asborptivity and plasma effects during materiallaser interaction. The threedimensional model is based on the lagrangian approach used in the Forge® finite element software. The thermal model coupled with materiallaser model is compared and gives good agreements. Simulations of the rapid prototyping are compared with experimental results.

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