TiAl合金表面电沉积SiO2 涂层抗循环氧化性能研究

严豪杰, 殷若展, 汪文君, 孙擎擎, 伍廉奎, 曹发和

Cyclic Oxidation Behavior of TiAl Alloy with Electrodeposited SiO2 Coating

YAN Haojie, YIN Ruozhan, WANG Wenjun, SUN Qingqing, WU Liankui, CAO Fahe

图10 电沉积SiO2涂层900 ℃循环氧化失效过程示意图

Fig.10 Schematic diagrams of failure process of electrodeposited SiO2 coating during cyclic oxidation at 900 oC: (a) the initail oxidation stage, (b) crack generated in the coating, (c) oxide generated on the coating