Al_2O_3-CeO_2 系の高温状態図

概要

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The liquidus curve in the system Al2O3-CeO2 was determined by the use of a heliostat type solar furnace. The cooling curves of melted specimens were obtained in the black body centrifugal cavity with an optical pyrometer. The quenched specimens were examined by powder X-ray techniques and petrographic microscopy.Anomalies in the liquidus curve of the system were found in the region between 70.0 and 95.0mol% CeO2. A composition of 90.0mol% CeO2 was further examined by the high-temperature powder X-ray diffractometry, and the presence of a new orthorhombic phase was established.A tentative phase disgram for the Al2O3-CeO2 system at high temperatures is presented.
社団法人日本セラミックス協会の論文
1975-02-01