环境变量对核电汽轮机转子钢焊接接头电偶腐蚀性能的影响

苍雨, 黄毓晖, 翁硕, 轩福贞

Effect of Environmental Variables on Galvanic Corrosion Performance of Welded Joint of Nuclear Steam Turbine Rotor

CANG Yu, HUANG Yuhui, WENG Shuo, XUAN Fuzhen

表1 25Cr2Ni2MoV转子钢母材及焊缝材料的化学成分

Table 1 Chemical compositions of 25Cr2Ni2MoV (BM) and WM (mass fraction / %)

Area C Si Mn P S Cr Ni Mo V BM 0.23 0.10 0.18 0.005 0.005 2.33 2.21 0.75 0.1 WM 0.12 0.20 1.48 0.005 0.005 0.57 2.18 0.51 ---