莫来石/氧化铝预应力涂层增强氧化铝的弯曲强度和抗热震性能

郝鸿渐, 李海燕, 万德田, 包亦望, 李月明

Enhanced Flexural Strength and Thermal Shock Resistance of Alumina Ceramics by Mullite/Alumina Pre-stressed Coating

HAO Hongjian, LI Haiyan, WAN Detian, BAO Yiwang, LI Yueming

图8 不同预应力氧化铝涂层中残余压应力和基体与涂层厚度比之间的理论关系

Fig. 8 Theoretical relationship between residual compressive stress and substrate-to-coating thickness ratio in different pre- stressed aluminas