本文用二种Y2O3-Al2O3-SiO2(YAS)钎料进行Si3N4/Si3N4的连接研究.在20kPaN2,1450℃~1650℃保温15min的实验条件下,Si3N4/Si3N4的接头强度随连接温度的增加先增后降.微观分析表明:接头强度与YAS/Si3N4的界面扩散反应和接头残留玻璃相的厚度有关.
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