炭酸ガスレーザーを用いた希土類酸化物含有ガラスの作製(<特集>セラミック材料)

概要

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In order to prepare rare earth oxide containing glasses that have high melting temperature, a CO_2 laser was employed. This method was shown to be easier than the process of using an electric furnace which is normally used in preparing glass at a high temperature. Glass forming regions of SiO_2-Ln_2O_y and 0.4CaO・0.6SiO_2-Ln_2O_y system (Ln=Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu) were investigated and the thermal stability of obtained glasses were evaluated by crystalization peak temperature measured by differential thermal analysis. The glass forming regions of SiO_2-Ln_2O_y systems were narrower than that of 0.4CaO・0.6SiO_2-Ln_2O_y systems. The SiO_2-Tb_2O_<3.5> system showed the widest glass forming region while the SiO_2-CeO_2 system showed the narrowest among SiO_2-Ln_2O_y systems.
社団法人日本材料学会の論文
2006-07-15