Zr-2合金表面ZrO2/Cr复合膜的高温蒸汽氧化行为

王兴平, 薛文斌, 王文选

High Temperature Steam Oxidation Behavior of Zr-2 Alloy with ZrO2/Cr Composite Coating

WANG Xingping, XUE Wenbin, WANG Wenxuan

表1 Zr-2合金及ZrO2/Cr复合膜在不同温度蒸汽中氧化动力学参数

Table 1 Oxidation kinetics parameters of bare and ZrO2/Cr-coated Zr-2 alloy in steam environment at different temperatures

Temperature/℃ Bare Zr-2 ZrO2/Cr-coated Zr-2 Ⅰ Ⅱ Ⅰ Ⅱ Kn n Kn n Kn n Kn n 900 2.67×10-2 3 - - 8.60×10-4 2 - - 1000 3.18×10-2 2 3.74×10–3 1 9.49×10-4 1 - - 1100 2.01×10-1 2 - - 2.88×10-3 1 - -