P-66 歯冠修復用材料の熱的性質データベースの構築(1) : レジンセメントおよびガラス浸潤セラミックス(セメント,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)

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In this study, thermomechanical analysis (TMA) and thermogravimetric analysis of 5 kinds of resin cement, TMA of 3 kinds of glass infiltrated ceramics and Ti-6Al-7Nb alloy were carried out. For MULTIBND II of PMMA system, thermal expansion coefficients were high, and the residue was 0.2%. In 4 kinds of composites system resin cements, thermal expansion coefficients (30→60℃) were 32.9〜39.4×10^<-6>/℃, and the residue showed 60.0〜64.5%. Thermal expansion coefficients of alumina, spinel and zirconia were 7.4, 7.3 and 7.8×10^<-6>/℃, while the coefficient (50→500℃) of Ti-6Al-7Nb was 9.2×10^<-6>/℃.
2010-09-20