محبوبترین نویسندگان :
نویسندگان مقالات پربازدید :
آکتا بیومتریال
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • beta type ti–mo alloys with changeable young’s modulus for spinal fixation applications

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 896
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     to develop a novel biomedical titanium alloy with a changeable young’s modulus via deformation-induced ω phase transformation for the spinal rods in spinal fixation devices, a series of metastable β type binary ti–(15–18)mo alloys were prepared. in this study, the microstructures, young’s moduli and tensile properties of the alloys were systemically examined to investigate the effects of deformation-induced ω phase transformation on their mechanical properties. the springback of the optimal alloy was also examined. ti–(15–18)mo alloys subjected to solution treatment comprise a β phase and a small amount of athermal ω phase, and they have low young’s moduli. all the alloys investigated in this study show an increase in the young’s modulus owing to deformation-induced ω phase transformation during cold rolling. the deformation-induced ω phase transformation is accompanied with {3 3 2}β mechanical twinning. this resulted in the maintenance of acceptable ductility with relatively high strength. among the examined alloys, the ti–17mo alloy shows the lowest young’s modulus and the largest increase in the young’s modulus. this alloy exhibits small springback and could be easily bent to the required shape during operation. thus, ti–17mo alloy is considered to be a potential candidate for the spinal rods in spinal fixation devices.

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