Heterogeneous twin formation and its effect on tensile properties in Ti-Mo based β titanium alloys

X. H. Min, K. Tsuzaki, S. Emura, K. Tsuchiya

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The deformation modes and the tensile properties were investigated in a Ti-15Mo-5Zr alloy with different heat treatments. Both the {3. 3. 2}〈1. 1. 3〉 twinning and the dislocation slip occurred in the samples with the heterogeneous distribution of Mo and Zr atoms. On the other hand, the twinning disappeared when the elemental distribution became homogeneous. The high yield strength and significant uniform elongation resulted from the combination of the twinning and the slip, and the more significant work hardening rate was obtained by the enhancement of the twinning. The heterogeneous twin formation was mainly discussed based on the effects of the interval of heterogeneous elemental distribution and the grain orientation.

Original languageEnglish
Pages (from-to)53-60
Number of pages8
JournalMaterials Science and Engineering A
Volume554
DOIs
Publication statusPublished - Sep 30 2012
Externally publishedYes

Fingerprint

tensile properties
Twinning
titanium alloys
twinning
Tensile properties
Titanium alloys
slip
work hardening
yield strength
Dislocations (crystals)
Strain hardening
elongation
Yield stress
Elongation
heat treatment
Heat treatment
intervals
Atoms
augmentation
atoms

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Heterogeneous twin formation and its effect on tensile properties in Ti-Mo based β titanium alloys. / Min, X. H.; Tsuzaki, K.; Emura, S.; Tsuchiya, K.

In: Materials Science and Engineering A, Vol. 554, 30.09.2012, p. 53-60.

Research output: Contribution to journalArticle

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