静水压力和拉伸应力交互作用下Ni-Cr-Mo-V钢在3.5%NaCl溶液中的应力腐蚀行为

宋昱杉, 刘叡, 崔宇, 刘莉, 王福会

Stress Corrosion Behavior of Ni-Cr-Mo-V Steel in 3.5%NaCl Solution Under the Interaction of Hydrostatic Pressure and Tensile Stress

SONG Yushan, LIU Rui, CUI Yu, LIU Li, WANG Fuhui

图11 未变形和变形Ni-Cr-Mo-V钢在3.5%NaCl溶液中的局部腐蚀形貌

Fig.11 Localized corrosion morphologies of the undeformed (a1-a4) and deformed (b1-b3) Ni-Cr-Mo-V steel immersed in 3.5%NaCl solution (a1, b1) corrosion morphologies (a2, a3, b2) magnified images of the red (a2), green (a3), and orange (b2) boxes in Figs.11a1 and b1, respectively; and corresponding EDS mappings of the inclusion (a4, b3) schematics of the pits in Figs.11a1 (a4) and b1 (b3), respectively