Eur. Phys. J. AP
Volume 20, Number 2, November 2002
|Page(s)||121 - 127|
|Section||Plasma, Discharges and Processes|
|Published online||25 October 2002|
Thermal field in a cylindrical wire getting a laser supported material cladding
LTm, IUT Le Creusot, 71200 Le Creusot, France
2 IFoS, ECL, 69131 Ecully, France
Corresponding author: firstname.lastname@example.org
Revised: 19 March 2002
Accepted: 11 July 2002
Published online: 25 October 2002
This work presents the thermal field computation of a wire getting a laser supported material cladding. We present two complementary models, based on finite volume approaches. First, we present a one dimensional model in which moving of the wire is integrated by mean of an advection term in the heat diffusion equation. It gives the mean temperature variation along the wire An analytical solution of this problem is also given. Secondly, a three-dimensional model gives the complete thermal field. These two models are confronted with experiments. The result of the first one is compared to a maximum mean temperature measuring. The second is validated by comparison with microphotography of the melted zone, and in-section micro-hardness measurements.
PACS: 42.62.Cf – Industrial applications / 44.05.+e – Analytical and numerical techniques
© EDP Sciences, 2002
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