Effects of Substitution SiC for SiO_2 on Microwave Heating of ZrO_2-Al_2O_3-SiO_2 System Composites

摘要

As a foundational research for microwave sintering or joining of ceramics related to ternary ZrO_2-Al_2O_3-SiO_2 system, effects of substitution SiC for SiO_2 on rates of raising temperature, phase evolutions and microstructures were investigated. Influences of microwave power and holding time on heating were examined in means of detecting formation of mullite. It was proved to be an effective means to substitute SiC for SiO_2 in microwave heating of ternary ZrO_2-Al_2O_3-SiO_2 system.