溶融-凝固法によるコーディエライト/ムライト複合材料の作製

概要

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During the heating of cordierite (Mg_2Al_4Si_5O_<18>) glass prepared by the solidification method, many cracks were induced in the α-cordierite bulk due to crystallization of α-cordierite crystal from the glass and thermal expansion excessive mismatch between α-cordierite crystal and α-cordierite crystal. In present study, cordierite/mullite (Al_6Si_2O_<13>) composite was successfully prepared without any cracks by generating fine mullite crystals at solidification process. Rods or platelet like primary mullite phase with less than 1 μm diameter were generated in cordierite composition glass during solidification and the excessive crystallization of cordierite could be restrained. Cordierite crystal grows on primary mullite crystal.
社団法人日本セラミックス協会の論文
2003-07-01