P-11 Ti-15Mo-5Zr-3Al合金の歯科鋳造および機械的性質(チタン,一般講演(ポスター発表),第56回日本歯科理工学会学術講演会)

概要

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The purpose of this study is to investigate the castability, hardness, microstructures, and tensile strength of Ti-15Mo-5Zr-3Al alloy castings for application to dental cast prostheses. Ti-6Al-7Nb alloy and commercially pure titanium (CP Ti) were selected as comparative dental metals. The castability index for Ti-15Mo-5Zr-3Al alloy was significantly lower than those for Ti-6Al-7Nb alloy and commercially pure titanium (p<0.05). The hardness of Ti-15Mo-5Zr-3Al alloy at the inner part of the castings was 361Hv. The tensile strength of Ti-15Mo-5Zr-3Al alloy was 852MPa, while Ti-6Al-7Nb alloy and CP Ti showed 943 and 579MPa. The Young's modulus of Ti-15Mo-5Zr-3Al alloy was significantly lower than those of Ti-6Al-7Nb alloy and CP Ti.
2010-09-20