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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium High Temperature Electrochemistry IV
Presentation Title An electrochemical route for the synthesis of porous Ti biomedical alloys
Author(s) Sri Maha Vishnu Dunaboyina, Jagadeesh Sure, Vasant Kumar R, Carsten Schwandt
On-Site Speaker (Planned) Vasant Kumar R
Abstract Scope Porous Ti alloys are promising as medical prosthesis materials due to their superior body-compatible, corrosion-resistant and bone-matching mechanical properties [1]. A particularly facile and scalable method of preparing porous metals and alloys is the ‘FFC-Cambridge process’, that allows the direct electro-deoxidation of oxides through cathodic polarisation in molten CaCl2 [2]. Using this process, we have synthesised various Ti alloys, i.e., Ti-xNb (x=24, 35, 42), Ti-xNb-ySn (x=24, 35, 42; y=4, 7.9), Ti-xNb-13Zr (x=13, 24, 35) and Ti-35Nb-7Zr-5Ta, directly from their oxides. The alloys were porous, had compositions close to the target values, and consisted of either dual-phase α,β or single-phase β structures with homogeneous distribution of the elements. The alloys exhibited bone-matching mechanical properties, and their corrosion performances in Hanks’ simulated body fluids were better than those of stainless steels and brass. The process and the materials made thus have a huge potential for future application in implant technology.
Proceedings Inclusion? Planned:
Keywords Electrometallurgy, Biomaterials, Pyrometallurgy


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Advances in solid oxide membrane based electrolysis for solar-grade silicon deposition
An electrochemical route for the synthesis of porous Ti biomedical alloys
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