The application of laser-induced multi-scale surface texturing

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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