模拟深海环境中阴极极化对1000 MPa级高强钢氢脆敏感性的影响
周宇1,2, 张海兵2(), 杜敏1, 马力2
Effect of Cathodic Potentials on Hydrogen Embrittlement of 1000 MPa Grade High Strength Steel in Simulated Deep-sea Environment
ZHOU Yu1,2, ZHANG Haibing2(), DU Min1, MA Li2

图5. 实验高强钢在空气中以及在模拟深海环境中不同极化电位下试样断裂后宏观断口形貌

Fig.5. Three-dimensional fracture morphologies of high-strength steel after tensile tests in air (a) and simulated deep sea environment at cathodic polarization potentials of OCP (b), -800 mV (c), -850 mV (d), -900 mV (e), -950 mV (f) and -1000 mV (g)