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

表1 基体和涂层的物性参数

Table 1 Physical properties of the substrate and coating materials

Material Density / g·cm-3 CTE / 10-6 K-1 Poisson's ratio Young's modulus / GPa TiAl ~3.8[29] ~12[29] 0.22[30] 137.5[31] SiO2 2.4[27] 0.5[27] 0.16[27] 70[27]