紀要論文 高配向性オキシアパタイト型ランタンシリケートの作製とその異方的特性評価

平井, 拳也

内容記述
The c-axis-oriented bulk ceramics of lanthanum silicate oxyapatite were successfully fabricated by slip casting under a strong magnetic field using highly-sinterable powder synthesized by solid state reaction method. The Lotgering factor, which is an index to evaluate the degree of texuturing from XRD pattern, along the (00l) was 0.68 for a densified polycrystalline specimen sintered at 1873K for 10h. Predominant grain growth along the c-axis was observed from the grain morphology. The anisotropic properties of the textured lanthanum silicate oxyapatite were also characterized from the thermal and electric conductivities. Key Words : Solid Oxide Fuel Cells, Oxide-ion conductor, Oxyapatite, Magnetic Field, Anisotropy
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