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Finite element modelling of Wire-Arc-Additive-Manufacturing process

Filippo Montevecchia, Giuseppe Venturini

2016enweldingadditive manufacturingfinite elementmodelling

Abstract

Language:

Wire-Arc-Additive-Manufacturing (WAAM) is an Additive-Manufacturing (AM) process, allowing to produce metal components layer by layer by means of Gas-Metal-Arc-Welding (GMAW) technology. The advantages of this technology are the capability to create large parts with a higher deposition rate with respect to other AM technologies. Despite these great benefits, WAAM components are affected by severe distortions and residual stresses issues. Finite element process simulation provides an efficient way to study mitigation strategies for such issues. In this paper, a WAAM modelling strategy is proposed based on a novel heat source model that takes into account the actual power distribution between filler and base materials. In order to prove the effectiveness of the proposed modelling, an experimental validation is provided by comparing the measured distortions of a WAAM test-case with the simulated ones, highlighting the accuracy of the proposed model.

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Cite This Work

@article{3b0de4d9-25f1-407a-8c9c-8b6af9663345,
  title={Finite element modelling of Wire-Arc-Additive-Manufacturing process},
  author={Filippo Montevecchia and Giuseppe Venturini},
  year={2016},
  language={en}
}
TY  - JOUR
TI  - Finite element modelling of Wire-Arc-Additive-Manufacturing process
AU  - Filippo Montevecchia
AU  - Giuseppe Venturini
PY  - 2016
LA  - en
ER  -

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