Abstract
The properties of orthopaedic/dental implants can be tuned through the laser surface modifications that take place during a laser ablation process. Processing assisted by a laser is adequate to produce macro- and micro-structures on metallic alloys and polymer surfaces in order to improve their biological response.
The evaluation of the minimum energy density that causes an optimum ablation process on different kinds of surfaces was theoretically established by numerical simulation of the thermal process and some experiments have been systematically carried out to produce a periodic pattern in the surface. The selection of the laser power has been predicted from numerical analysis solving of the heat conduction differential equation using commercial software, ANSYS (11.0). This analysis has allowed us to predict the extent and the depth of the holes. The theoretical results agree with the experimental measurements that were carried out by profilometry.
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Conde, J.C., Riveiro, A., Comesana, R. et al. Theoretical and experimental approach to the texturization process of bioreactive surfaces by high-power laser. Appl. Phys. A 105, 479–486 (2011). https://doi.org/10.1007/s00339-011-6586-7
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DOI: https://doi.org/10.1007/s00339-011-6586-7