21 April 2017 Laser irradiation of WE54 surface through simulated body fluid layer
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Abstract
Mg alloys are superior to other metallic biomaterials for temporary bio-application, owing to their biodegradability and biocompatibility features. However, the high reactivity and the rapid corrosion rate of Mg alloys are major barriers for their usage in bio-applications. In this paper, laser surface modification method is used to improve the surface properties of WE54. A 500 W pulse Nd: YAG laser beam is focused on the specimen through a 2 mm layer of simulated body fluid. As a result, a new microstructure and a Ca/P layer are obtained in a single process, which is conductive for the cell attachment.
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Indira Khadka, Sylvie Castagne, Zhongke Wang, Hongyu Zheng, Kuddannaya Shreyas, "Laser irradiation of WE54 surface through simulated body fluid layer", Proc. SPIE 10092, Laser-based Micro- and Nanoprocessing XI, 100921L (21 April 2017); doi: 10.1117/12.2250021; https://doi.org/10.1117/12.2250021
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