Speaker
Description
Development of low elastic modulus β-Ti alloys for implant application has grown significantly in recent years. In this work, alloy Ti-28.3Nb-13.8Ta-6.9Zr was produced by button arc melting (BAM). Pure metal powders of Ti, Nb, Ta and Zr were pre-mixed and prepared as feedstock powder to the Copper-Hearth BAM. The alloy was manufactured, and heat treated (HT - solution treated + aged). The samples were analyzed for microstructure using the following techniques – OM, ImageJ, SEM-EDX, XRD and EBSD. The alloy showed a dominant β-phase microstructure in a dendritic morphology in both the as-cast and heat treated condition. The microstructure was characteristic of Ti-Nb-Ta-Zr (TNTZ) alloys. The EBSD results will be presented.
Key words: Low modulus, β-Ti, implant, arc melting, heat treated, microstructure.
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