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Laser surface texturing Numerical analysis of formation of low depth holes

Abstract : The present study concerns laser surface texturing and is,more particularly, about its simulation. Indeed, the industry can be sometime interesting to change the surface/tribological properties of a material. The process, which was used is a nanosecond pulsed laser (fiber) applied on the whole workpiece boundaries. The posterior analysis of experimental samples, shows a formation of ejected rings for each laser shot. The deformation shape is not similar to the metal ejection that can be observed for drilling or welding. As we are not able to observe experimentally the origin of this fast phenomenon, we have chosen to try to understand it numerically. After a brief explanation of the problematic and of the experimental setup, the numerical assumptions and thus the mathematical models are presented. Then, once the model validated, the results are analysed and an explanation to this particular shape is found.
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Submitted on : Monday, February 24, 2020 - 2:49:07 PM
Last modification on : Wednesday, September 28, 2022 - 5:58:54 AM
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  • HAL Id : cea-02489504, version 1


Morgan Dal, Lucille Gouton. Laser surface texturing Numerical analysis of formation of low depth holes. 17th International workshop IFSW, Feb 2015, Hirshegg, Germany. ⟨cea-02489504⟩



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