O'-Sialon-ZrO2-SiC复合材料的合成热力学分析及其制备
Thermodynamic Analysis and Preparation of O'-Sialon-ZrO2-SiC Composites
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摘要: 在分析、绘制Si-O-N三维立体参数状态图基础上,采用纯原料合成了O'-Sialon-ZrO2-SiC复合材料.对实验结果用XRD、TEM进行分析,验证热力学分析的可靠性.结果表明,O'-Sia-lon-ZrO2-SiC复合材料中,主晶相O'-Sialon彼此之间构成网络状结构,ZrO2和SiC颗粒弥散于编织状结构的孔隙中,起强化作用Abstract: On the basis of thermodynamic analysis, O'-Sialon-ZrO2-SiC composites were prepared. XRD and TEM were used to analyze experimental results,verify the thermodynamical calculation. The study on microstructure showed that the main crystalline phase is O'-Sialon which forms an interwoven structure and the interwoven structure is strengthen by ZrO2 and SiC for O'-Sialon-ZrO2-SiC composites.
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