Synthesis, Characterization, and Surface Analysis of Near-β Ti20Nb20Zr Alloy Proceeded by Powder Metallurgy for Biomedical Applications

M. A. Hussein*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A new near-β Ti20Nb20Zr alloy was designed using d-electron alloy design and the molybdenum equivalence approach. Ball milling was used to synthesize the Ti20Nb20Zr alloy, and then it was sintered using spark plasma sintering. The structure and microstructure of the designed alloy were studied via x-ray diffraction and scanning electron microscope. The surface analysis was studied using x-ray photoelectron spectroscopy. The result showed that after mechanical alloying, nanocrystalline β-Ti (BCC) and α-Ti (HCP) solid solutions were formed with crystallite sizes of 7.2 nm and 22.7 nm, respectively. The microstructure of the sintered Ti20Nb20Zr alloy consists of a β-Ti region with ultra-fine grains of α-Ti at the grain boundary. Surface analysis revealed that protective oxides of TiO2, Ti2O 3, ZrO2, and Nb2O5 were formed. The developed alloy showed enhanced wettability compared with commercial Ti-6Al-4V alloys.

Original languageEnglish
Pages (from-to)924-930
Number of pages7
JournalJOM
Volume74
Issue number3
DOIs
StatePublished - Mar 2022

Bibliographical note

Publisher Copyright:
© 2022, The Minerals, Metals & Materials Society.

ASJC Scopus subject areas

  • General Materials Science
  • General Engineering

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