超级奥氏体不锈钢的热腐蚀行为及机理研究

韩瑞珠, 贾建文, 李阳, 张威, 徐芳泓, 侯利锋, 卫英慧

Corrosion Behavior of Three Super Austenitic Stainless Steels in a Molten Salts Mixture at 650-750 ℃

HAN Ruizhu, JIA Jianwen, LI Yang, ZHANG Wei, XU Fanghong, HOU Lifeng, WEI Yinghui

表1 实验用3种奥氏体不锈钢的成分[12]

Table 1 Compositions of three austenitic stainless steels used in the experiment[12](mass fraction / %)

Steel C Si Mn P S Cr Ni Mo Cu N B Fe 317L 0.019 0.57 1.25 0.024 0.001 18.29 17.32 3.15 0.05 0.05 0.004 Bal. 904L 0.011 0.45 1.28 0.019 0.001 20.08 24.22 4.32 1.41 0.06 --- Bal. 254SMo 0.010 0.43 0.40 0.021 0.001 19.98 17.85 6.06 0.61 0.21 0.004 Bal.