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10 Ni-Cr-Mo-V钢经过应变速率为5 × 10-6 s-1的SSRT实验后的断口放大像

Fig.10 Magnified fracture surfaces of Ni-Cr-Mo-V steel after SSRT test at 5 × 10-6 s-1, showing the dimple in the fibrous zone (a, d, g) and dimple in the shear fracture zone (b, c, e, f, h, i) (a-c) air (d-f) 0.1 MPa in 3.5%NaCl solution (g-i) 20 MPa in 3.5%NaCl solution