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The effect of α phase on the deformation mechanisms of β titanium alloys

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Abstract

The effects of α and β phase interactions on the tensile and creep deformation behavior of β titanium alloys was studied using Ti-6.0wt.% Mn and Ti-8.1wt.%V as the model two-phase alloys, and Ti-13.0wt.%Mn and Ti-14.8wt.%V as the single-phase β alloys. The β phase of α-βTi-8.1V deforms by stress-induced hexagonal martensite (α′), while slip and twinning occurs in the single-phase β alloy with the same chemistry as the β phase. No stress-induced martensite was observed in the β or α-βTi-Mn alloys. This behavior is modeled in terms of a number of factors, including elastic interaction stresses between the α and β phases, coherency between the α phase and hexagonal martensite, and β phase stability.

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  1. Department of Materials Science and Engineering, University of Maryland, 20782, College Park, MD

    A. Jaworski & S. Ankem

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  1. A. Jaworski
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  2. S. Ankem
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Jaworski, A., Ankem, S. The effect of α phase on the deformation mechanisms of β titanium alloys. J. of Materi Eng and Perform 14, 755–760 (2005). https://doi.org/10.1361/105994905X75565

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  • DOI: https://doi.org/10.1361/105994905X75565

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