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1 (Y0.4Er0.6)3(Al1 - y Mn y )5O12陶瓷材料经Rietveld精修的晶胞参数和精修数据

Table 1 Structure parameters and refined data of (Y0.4Er0.6)3(Al1 - y Mn y )5O12 ceramic materials obtained by Rietveld refinement

y a = b = c /nm α = β = γ / (o) V / nm3 RWP / % Rp / % 0 1.19917 90 1.72441 8.47 6.20 0.02 1.19923 90 1.72467 8.78 6.50 0.04 1.19913 90 1.72423 9.25 6.80 0.06 1.19951 90 1.72588 9.27 6.75 0.08 1.19984 90 1.72730 8.26 6.12 0.1 1.20116 90 1.73303 10.16 7.59