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4 F92钢经不同温度和不同时间氧化后表面氧化膜厚度 (μm)

Table 4 Thicknesses of oxide scales formed on F92 steel during oxidation in SCW at different temperatures for different time

F92 steel 600 ℃-100 h 600 ℃-1000 h 600 ℃-3000 h 620 ℃-100 h 620 ℃-1000 h 620 ℃-3000 h Outer layer 20.5 43.9 61.9 21.2 56.8 72.0 Inner layer 12.5 32 53.0 16.4 48.6 55.9 Total thickness 33 75.9 114.9 37.6 105.4 127.9