杂质对氧化锆热障涂层性能的影响

冀晓鹃,于月光,卢晓亮

Effects of Impurities on Properties of YSZ Thermal Barrier Coatings

JI Xiaojuan,YU Yueguang,LU Xiaoliang

表2 YSZ喷涂粉末的设计成分(D)及涂层的实测成分(M)(wt%)

Table 2 Design composition (D) of YSZ powders and measured composition (M) of YSZ coatings (wt%)

No. SiO2 No. Al2O3 No. Fe2O3 D M D M D M HP <0.01 <0.01 — <0.01 <0.01 — <0.01 0.0049 S1 0.02 0.013 A1 0.02 0.014 F1 0.02 0.0140 S2 0.06 0.038 A2 0.06 0.030 F2 0.06 0.0390 S3 0.10 0.064 A3 0.10 0.051 F3 0.10 0.0800 S4 0.16 0.110 A4 0.15 0.079 F4 0.16 0.1100 S5 0.20 0.150 A5 0.20 0.120 F5 0.20 0.1400 S6 0.36 0.260 A6 0.35 0.230 F6 0.36 0.3000 S7 0.50 0.320 A7 0.50 0.300 F7 0.50 0.3400 S8 0.66 0.430 A8 0.65 0.380 F8 0.66 0.4600 S9 0.80 0.550 A9 0.80 0.450 F9 0.80 0.5700 S10 1.00 0.620 A10 1.00 0.640 F10 1.00 0.5900