TRANSFORMATION PROPERTIES OF Ce TZP AND Ce TZP/Al 2O 3 LAYERED MICROCOMPOSITES

The real time transformation procedures of three point bending beams with a single edge notch of Ce TZP and Ce TZP/Al 2O 3 layered microcomposites are observed by moire interferometry. Strong autocatalytic effect on Ce TZP stabilized with 12% mol CeO 2 and sintered at 1600°C for 3 h is revealed under room temperature, and the frontal transformation zone appears to beroot like. While the autocatalytic transformation is prevented byAl 2O 3 layers in Ce TZP/Al 2O 3 layered microcomposites, th...