March 2015Within the Transregional Collaborative Research Centre SFB / TRR 79 new titanium-based implant materials with a remarkably low elastic modulus were fabricated at the Leibnitz Institute for Solid State and Materials Research Dresden for the treatment of osteoporotic bone fractures. Besides that a high tensile strength is required for load-bearing implant applications which can be achieved by reduction of the alloy grain size.With electron backscatter diffraction (EBSD) it is possible, to display the grain size and texture on a polycrystalline titanium-niobium-indium alloy (figure A, created by Arne Helth, IFW Dresden) based on the inverse pole figure. Figure B displays the topography of the surface after anodic oxidation in oxygen plasma at the same position which is marked by three indentations (white area). The image was acquired by white light interferometry (Sensofar group). By further examination it is clear that the oxide growth rate depends on the orientation of the underlying grain. (Picture submitted by Markus Göttlicher.)https://www.uni-giessen.de/en/faculties/f08/departments/physchem/janek/gallerypotm/pom2015/PoM0315/viewhttps://www.uni-giessen.de/@@site-logo/logo.png
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March 2015
Within the Transregional Collaborative Research Centre SFB / TRR 79 new titanium-based implant materials with a remarkably low elastic modulus were fabricated at the Leibnitz Institute for Solid State and Materials Research Dresden for the treatment of osteoporotic bone fractures. Besides that a high tensile strength is required for load-bearing implant applications which can be achieved by reduction of the alloy grain size.With electron backscatter diffraction (EBSD) it is possible, to display the grain size and texture on a polycrystalline titanium-niobium-indium alloy (figure A, created by Arne Helth, IFW Dresden) based on the inverse pole figure. Figure B displays the topography of the surface after anodic oxidation in oxygen plasma at the same position which is marked by three indentations (white area). The image was acquired by white light interferometry (Sensofar group). By further examination it is clear that the oxide growth rate depends on the orientation of the underlying grain. (Picture submitted by Markus Göttlicher.)
