研究了以硅粉为原料,以碳粉、氧化铝和氧化钇作添加剂,在常压下,采用反应烧结工艺制备氮化硅陶瓷.结果表明:在1 380℃下,加入2% Al2O3+8%Y2O3,在氮气气氛中可得到以β-Si3N4为主的氮化硅陶瓷.
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