直流电作用下X70钢在近中性土壤中应力腐蚀行为研究
吴宇航, 陈旭, 王首德, 刘畅, 刘杰

Stress Corrosion Behavior of X70 Steel in an Artificial Near-neutral Soil Solution Under Direct Current
WU Yuhang, CHEN Xu, WANG Shoude, LIU Chang, LIU Jie
图12 X70 钢在不同DC密度下NS4 溶液中主断口和侧断口形貌
Fig.12 Main fracture (a1-d1) and side fracture (a2-d2) morphologies of X70 steel in NS4 solution at the DC densities of 0 (a1, a2), 0.1 mA/cm2 (b1, b2), 0.5 mA/cm2 (c1, c2) and 1 mA/cm2 (d1, d2)