22 research outputs found

    Influences of Mo addition on mechanical properties and deformation behavior of β-type Ti alloys

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    The influences of Mo addition on the tensile properties and deformation behavior of β-type Ti-Mn alloys were investigated with particular focus on {332} deformation twinning. We found that Ti-7Mn and Ti-5Mo-3Mo alloys exhibit completely different tensile properties, despite having the same microstructure and stability of the β phase. The Ti-5Mn-3Mo alloy demonstrates higher tensile strength and larger ductility than the Ti-7Mn alloy due to its strong work hardening, caused by {332} deformation twinning. The critical resolved shear stress (CRSS) for {332} deformation twinning in these alloys was measured by compression tests using single crystals. It was thereby found that Mo addition is effective in decreasing the CRSS for {332} deformation twinning in Ti-Mn alloys
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