Reaction mechanism of Y4Al2O9/Y2O3 composite with CMAS at 1300 °C and 1500 °C (IMAGE)

Tsinghua University Press

Reaction mechanism of Y4Al2O9/Y2O3 composite with CMAS at 1300 °C and 1500 °C

Caption

The reaction products varied with time at 1300 °C and 1500 °C after the reaction between the Y4Al2O9/Y2O3 and CMAS. At 1300 °C, the apatite layer, the garnet layer and a dual-phase layer formed with the increased time from 1 h to 50 h, accompanied by the thickness change of various reaction layers. At 1500 °C, the apatite layer, the garnet layer, a cuspidine layer and a dual-phase layer formed with the increased time from 1 h to 50 h, accompanied by the thickness change of various reaction layers.

Credit

Journal of Advanced Ceramics, Tsinghua University Press

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