Preparation of SiC<sub>w</sub>/3Y-ZrO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> Composites
Hong XuHai Long WangHong Xia LuXiao Fang LiuDao Yuan YangWen Bin ChenSheng LinRui Zhang
Abstract
SiCw/3Y-ZrO2/A12O3 composites were prepared. The composite powders were prepared by a precursor method. Samples were conventionally sintered at 1500°C and 1580°C for 2h in air. The density, phases, microstructure, hardness of the SiCw/3Y-ZrO2/A12O3 composites were investigated. It was found that the relative density of the samples decreased as the increasing content of SiCw. The optimum mechanical properties may be obtained in the SiCw/3Y-ZrO2/A12O3 composites with 5 vol.% SiCw.
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