Nb锆合金在含氧蒸汽中耐腐蚀性能恶化的机理
黄建松, 裴文, 徐诗彤, 白勇, 姚美意, 胡丽娟, 谢耀平, 周邦新

Degradation Mechanism on Corrosion Resistance of High Nb-Containing Zirconium Alloys in Oxygen-Containing Steam
HUANG Jiansong, PEI Wen, XU Shitong, BAI Yong, YAO Meiyi, HU Lijuan, XIE Yaoping, ZHOU Bangxin
图3 Zr-0.75Sn-0.35Fe-0.15Cr-1.0Nb合金在400℃、10.3 MPa不同含氧过热蒸汽中腐蚀42 d的氧化膜断口形貌
Fig.3 SEM images of the fracture morphologies of oxide films on Zr-0.75Sn-0.35Fe-0.15Cr-1.0Nb alloy corroded in superheated steam with DE (a), 300 μg/kg DO (b), and 1000 μg/kg DO (c) at 400oC and 10.3 MPa for 42 d