Enhanced uniform elongation by pre-straining with deformation twinning in high-strength β-titanium alloys with an isothermal ω-phase

Xiaohua Min, Kaneaki Tsuzaki, Satoshi Emura, Koichi Tsuchiya

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

It is shown that pre-straining with deformation twinning is a novel approach to enhancing the uniform elongation of a high-strength β-type Ti-15Mo alloy (mass%) with isothermal ω-phase precipitation. Pre-existent mechanical {332}〈113〉 twins hinder the early onset of plastic instability (necking) after yielding, which is often caused by the presence of the isothermal ω-phase, and enhance the uniform elongation markedly from 0% to 13% at a yield strength level of 900MPa.

Original languageEnglish
Pages (from-to)726-732
Number of pages7
JournalPhilosophical Magazine Letters
Volume92
Issue number12
DOIs
Publication statusPublished - Dec 1 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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