用热力学几何规则,对Si3N4-AlN-Al2O3-SiO2体系中的部分化合物的标准生成吉布斯自由能进行了预报和评估;用新几何模型计算了Al2O3-SiO2-Si3N4三元体系高温液相的热力学性质.为研究Si3N4-AlN-Al2O3-SiO2体系陶瓷材料在制备和应用条件下的物理化学变化规律提供了热力学数据.此外,根据预报的热力学数据,计算并给出了Al-O-N、Si-O-N和B-O-N体系的参数状态图,为分析和确定O'-Sialon-BN系复合材料合成和应用的条件提供了理论依据.
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