Silicon nitride ceramic was fabricated using Si3N4 powder of micron and nano-Si3N4, adding Al2O3 and Y2O3 to reinforce sintering, by isostatic pressing and sintered silicon nitride (SSN).

• 本文以亚微米级氮化硅为起始原料,加入纳米氮化硅来增强基体,添加氧化铝和氧化钇为烧结助剂,等静压成型,采用无压烧结的方式来制备具有优良性能的氮化硅陶瓷。