O'-Sialon-ZrO2-SiC復合材料的合成熱力學分析及其制備
Thermodynamic Analysis and Preparation of O'-Sialon-ZrO2-SiC Composites
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摘要: 在分析、繪制Si-O-N三維立體參數狀態圖基礎上,采用純原料合成了O'-Sialon-ZrO2-SiC復合材料.對實驗結果用XRD、TEM進行分析,驗證熱力學分析的可靠性.結果表明,O'-Sia-lon-ZrO2-SiC復合材料中,主晶相O'-Sialon彼此之間構成網絡狀結構,ZrO2和SiC顆粒彌散于編織狀結構的孔隙中,起強化作用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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