组织配分对双相不锈钢微区极化行为及点蚀抗性的影响

汪毅聪, 胡骞, 黄峰, 刘静

Effect of Microstructure Partition on Micro-polarization Behavior and Pitting Resistance of Duplex Stainless Steel

WANG Yicong, HU Qian, HUANG Feng, LIU Jing

表2 1#、3#和5#试样微区极化曲线拟合参数

Table 2 Fitting parameters of micro-polarization curves for 1#, 3# and 5# samples

Sample Phase Ecorr / V Icorr / μA·cm-2 1# α -0.72 5.66 γ -0.53 3.44 3# α -0.55 3.07 γ -0.41 2.56 5# α -0.67 3.86 γ -0.54 2.82