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Hamadi F.,Laser Material Processing Group | Amara E.H.,Laser Material Processing Group | Bennaceur-Doumaz D.,Laser Material Processing Group | Boutaka R.,University of Science and Technology Houari Boumediene | And 4 more authors.
Defect and Diffusion Forum | Year: 2013

In this paper, we study the oxidation process during the heating of a titanium metallic surface by a Nd-YAG fiber pulsed laser beam under air environment. For this, we adopted an approach that considers a three-dimensional heat diffusion model coupled with an oxidation parabolic law (oxidation kinetics). The heat diffusion equation solved numerically, gives the temperature field. The oxide film growth is simulated by implementing a dynamic mesh technique. We developed computational procedures UDFs (User Defined Function) running interactively with the Fluent fluid dynamics software [1] that implements the finite volume method. These UDFs are developed to insert the oxidation law, the temperature field, the specific boundary conditions and the mesh deformation into the calculation. © (2013) Trans Tech Publications, Switzerland.

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