Gießtechnische Herstellung offenporiger Implantate aus Ti6Al7Nb

TL;DRAbstract

Surgical implants are used for decades successfully and have proven to mobilize patients again quick, reliable and painless. An optimization of the life and safety of these implants is sought by the investigations in this work. The cellular sponge-structure of the implants formed with the titanium alloy Ti6Al7Nb offers two key advantages over smooth, solid implants:• An improved connection between bone and implant is formed by bone-ingrowth into the pores.• An approximation of the modulus of the titanium alloy to the bone material is achieved by structuring.Ti6Al7Nb alloy has not yet been used for such implants, because the processing of this material is highly demanding on the machines and processes. The relevance of this development project becomes obvious by the large number of research institutions that handle similar projects. Especially the investment casting process is suitable for the production of cellular structures because also highly complex geometries and undercuts can be

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