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Characterization of Ti-xNb (x = 25 – 35) Alloys in as Melt and Annealed States

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Abstract:

The effect of Nb content on microstructure, mechanical properties and phase formation in as-melt and annealed binary Ti-Nb alloys were investigated using scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD) analysis. The content of Nb varied in the range 25-35 mass % leading to significant changes in the microstructure. The annealed and furnace-cooled binary Ti-Nb samples exhibited HCP martensitic α` phase at a Nb content below 27.5 mass % and metastable BCC β phase at higher contents of Nb. The mechanical properties of alloys depended strongly on the Nb content and type of the dominating phase.

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Periodical:

Materials Science Forum (Volume 946)

Pages:

287-292

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.946.287

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Online since:

February 2019

Authors:

Alexander Thoemmes*, Ivan V. Ivanov, Alexey Ruktuev

Keywords:

Annealing, Biomaterials, Omega, Ti-Nb Alloys

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© 2019 Trans Tech Publications Ltd. All Rights Reserved

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