Mn掺杂对(Y0.4Er0.6)3Al5O12 热障涂层材料的微观结构和导热性能的影响

王俊, 王炫力, 刘爽, 宋蕊, 宋希文

Effect of Mn Doping on Microstructure and Thermal Conductivity of (Y0.4Er0.6)3Al5O12 Ceramics Material for Thermal Barrier Coating

WANG Jun, WANG Xuanli, LIU Shuang, SONG Rui, SONG Xiwen

表3 (Y0.4Er0.6)3(Al1 - y Mn y )5O12陶瓷材料的热扩散系数λ

Table 3 Thermal diffusivity of (Y0.4Er0.6)3(Al1 - y Mn y )5O12 ceramics at different temperatures (mm2/s)

y 25oC 100oC 300oC 500oC 700oC 900oC 1100oC 0 0.81 0.73 0.65 0.60 0.57 0.55 0.54 0.02 0.73 0.67 0.62 0.56 0.53 0.52 0.53 0.04 0.71 0.67 0.62 0.57 0.53 0.54 0.50 0.06 0.65 0.63 0.59 0.55 0.54 0.51 0.46 0.08 0.66 0.62 0.58 0.59 0.57 0.55 0.54 0.1 0.60 0.58 0.58 0.52 0.54 0.52 0.50