采用原位合成的方法设计并制备了SiC-BN复合陶瓷.通过热力学计算,选择了制备SiC-BN复合陶瓷的反应方程式,并通过进一步的计算,选择合适的烧结工艺保证了反应方程式Si3N4+B4C+2C=3SiC+4BN不会受到副反应的影响.通过实验验证此反应在1 700℃能够反应完成,生成β-SiC和h-BN.
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