Enhancing the mechanical properties and corrosion resistance of biomedical Ti15Mo alloy with ultra-finer {332} twins via cyclic deformation

Zhang, Shanshan; Xu, Tiewei; Sun, Bingqing; Sun, Wei; Lv, Binjiang; Yang, Fazhan

doi:10.1016/j.jallcom.2024.176578

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2024.176578

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Enhancing the mechanical properties and corrosion resistance of biomedical Ti15Mo alloy with ultra-finer {332} twins via cyclic deformation

Shanshan Zhang,

Tiewei Xu,

Bingqing Sun

et al.

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2024

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Cited by 2 publications

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Effect of Pre-Rolling Strategy and Aging Precipitation Behaviors on Mechanical Properties and Wear Resistance of Biomedical Ti-15Mo Alloy

Zhang,

Xu,

et al. 2024

Met. Mater. Int.

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Effect of Pre-Rolling Strategy and Aging Precipitation Behaviors on Mechanical Properties and Wear Resistance of Biomedical Ti-15Mo Alloy

Zhang,

Xu,

et al. 2024

Met. Mater. Int.

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Enhancing Passivation Behaviors and Wear Resistance of Biomedical Ti-15Mo Alloy via {332} Twinning Pre-Tension and Aging

Zhang,

Yang,

Sun

et al. 2024

Coatings

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The purpose of this investigation was to determine the extent to which a combination of pre-deformation and aging procedures could enhance the corrosion and wear resistance of the Ti-15Mo alloy for biomedical materials. The initial grains were refined with {332} twins and other defects after the pre-deformation, increasing the amount of precipitation nucleation and forming finer α phases during aging. The finer precipitates with numerous boundaries are beneficial in forming a thicker passivation film in phosphate-buffered saline (PBS) solution, and the corrosion resistance of the 20% pre-deform plus aged alloy is improved by 4.23 times. The result indicates that the corrosion passivation behavior and film structure of the biomedical Ti-15Mo alloy are significantly influenced by its microstructure. The worn track and debris of the alloy after pre-tension and aging gradually decreases with the increase in pre-deformation rates, caused by the increase in the hardness and wear resistance. The mechanism of corrosion and wear resistance in PBS solution were revealed, which showed the pre-tension and aging processes that were performed on the Ti-15Mo alloy. This study proposes that pre-tension with {332} twins contributed to precipitation refinement, which would enhance the passivation behaviors and wear resistance of the biomedical β titanium alloy.

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Enhancing the mechanical properties and corrosion resistance of biomedical Ti15Mo alloy with ultra-finer {332} twins via cyclic deformation

Cited by 2 publications

References 54 publications

Effect of Pre-Rolling Strategy and Aging Precipitation Behaviors on Mechanical Properties and Wear Resistance of Biomedical Ti-15Mo Alloy

Effect of Pre-Rolling Strategy and Aging Precipitation Behaviors on Mechanical Properties and Wear Resistance of Biomedical Ti-15Mo Alloy

Enhancing Passivation Behaviors and Wear Resistance of Biomedical Ti-15Mo Alloy via {332} Twinning Pre-Tension and Aging

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