超临界水环境中汽轮机阀门材料氧化特性研究

王芬玲, 尚丽梅, 张乃强, 朱忠亮

Oxidation Behavior of Valve Materials Used in Steam Turbine in Supercritical Water Environment

WANG Fenling, SHANG Limei, ZHANG Naiqiang, ZHU Zhongliang

表2 F91钢经不同温度和不同时间氧化后表面氧化膜厚度

Table 2 Thicknesses of oxide scales formed on F91 steel during oxidation in SCW at different temperatures for different time (μm)

F91 steel 600 ℃-100 h 600 ℃-1000 h 600 ℃-3000 h 620 ℃-100 h 620 ℃-1000 h 620 ℃-3000 h Outer layer 18.5 33.9 52.2 21.0 55.7 59.2 Inner layer 16.6 19.8 44.6 19.3 44.0 46.6 Total thickness 35.1 53.7 96.8 40.3 99.7 105.8