How Oxygen Influences the Deformation Mechanism of the “Gum Metal” Titanium Alloy Composition

T. Gloriant; M. Besse; Philippe Castany; M. Cornen; D.M. Gordin; D. Laillé

doi:10.4028/www.scientific.net/MSF.706-709.492

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HomeMaterials Science ForumMaterials Science Forum Vols. 706-709How Oxygen Influences the Deformation Mechanism of...

How Oxygen Influences the Deformation Mechanism of the “Gum Metal” Titanium Alloy Composition

Abstract:

In this work, Ti-23Nb-0.7Ta-2Zr (TNTZ) and “Gum Metal” Ti-23Nb-0.7Ta-2Zr-1.2O (TNTZ-O) alloys were synthesized by cold crucible levitation melting (CCLM) with the objective to investigate the influence of oxygen on the deformation mechanisms. By tensile tests and EBSD analyses, we showed that the deformation in the TNTZ-O alloy is only accommodated by dislocation slip. Thus, the addition of oxygen leads to suppress the formation of α” martensite and prevents the twinning deformation mechanism.

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Materials Science Forum (Volumes 706-709)

Pages:

492-497

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.706-709.492

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Online since:

January 2012

Authors:

T. Gloriant, M. Besse, Philippe Castany, M. Cornen, D.M. Gordin, D. Laillé

Keywords:

Deformation Mechanism, EBSD, Microstructure, Tensile Test, Titanium Alloy

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