MoSi2 改性YGYZ作为陶瓷面层的多层热障涂层体系的抗高温氧化性能研究

宇波, 李彰, 周凯旋, 田浩亮, 房永超, 张晓敏, 金国

High-temperature Performance of MoSi2 Modified YGYZ Thermal Barrier Coating

YU Bo, LI Zhang, ZHOU Kaixuan, TIAN Haoliang, FANG Yongchao, ZHANG Xiaomin, JIN Guo

表2 大气等离子喷涂参数

Table 2 Deposition parameters of TBCs by atmospheric plasma spraying

Layer Arc current A Spray gun speed / mm·s-1 Spray distance / mm Working gas flow rate Ar (SLPM) Working gas flow rate H2 (SLPM) Carrier gas N2 (SLPM) Bonding layer 500~550 600 100~120 30~35 8~10 4~6 Middle layer 550~600 600 120~150 32~36 10~12 4~6 Top layer 550~600 600 120~150 36~40 12~14 4~6