The application of laser-induced multi-scale surface texturing
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Recently, there has been interest in controlling microstructure and surface texture on smaller and smaller scales. However, in nature, materials are organized on length scales varying from the nano- to the micro- and larger. In order to realize hierarchical structuring for use in biomedical and mechanical systems, two methods for producing multi-scale surface microstructures and physical textures are explained. The first investigates the use of a marking laser to produce multi-scale texturing of zirconia coatings on Ti-6Al-4V substrates and the second method discusses the design and challenges associated with laser interference surface texturing along with process and material factors controlling surface structures.
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