高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1 Zr-0.75Sn-0.35Fe-0.15Cr-1.0Nb合金显微组织及第二相选区电子衍射花样和尺寸分布

Fig.1 TEM image (a) and HAADF image (b) of the Zr-0.75Sn-0.35Fe-0.15Cr-1.0Nb alloy, selected area electron diffraction(SAED) patterns of typical second phase particles (SPPs) (a1, a2), and size distributions of SPPs (c)