|About this Abstract
||2022 TMS Annual Meeting & Exhibition
||Advances in Titanium Technology
||Fatigue Behavior of Additively Processed, PVD Coated Ti-6Al-7Nb Alloy for Biomedical Applications
||Maxwell Hein, Dominic Stangier, David Kokalj, Nelson Filipe Lopes Dias, Hilke Oltmanns, Kay-Peter Hoyer, Jessica Mei▀ner, Wolfgang Tillmann, Mirko Schaper
|On-Site Speaker (Planned)
Adapted mechanical properties, as well as biocompatibility, are required for materials used for biomedical applications, such as permanent implants. Among the (α+β)-titanium alloys, Ti-6Al-7Nb is a well-established biomaterial due to its high corrosion resistance along with its excellent biocompatibility and application-oriented mechanical properties. In additive manufacturing, laser powder bed fusion allows the production of patient-customized implants with complex geometries made from Ti-6Al-7Nb. To improve the tribo-mechanical properties and to further enhance the biocompatibility of printed Ti-6Al-7Nb, the deposition of physical vapor deposition (PVD) coatings is a highly effective approach. The influence of different biofunctional PVD coatings on the formation of biofilms as well as cell viability and proliferation is examined. Due to the permanent load exposure of the implants, the material behavior of uncoated and coated specimens for quasi-static, low- and high-cycle fatigue loading is investigated.
||Titanium, Additive Manufacturing, Biomaterials