形变强化和逆相变细晶强化对Fe-18Cr-8Ni钢耐腐蚀性能的影响

王智慧, 吴雷, 姜懿珊, 张弦, 万响亮, 李光强, 吴开明

Effect of Deformation Strengthening and Phase Reversion Grain Refinement Strengthening on Corrosion Resistance of Fe-18Cr-8Ni Steel

WANG Zhihui, WU Lei, JIANG Yishan, ZHANG Xian, WAN Xiangliang, LI Guangqiang, WU Kaiming

表2 3种钢试样晶粒尺寸和耐腐蚀性能

Table 2 Grain size and corrosion resistance of three steels

Steel sample Average grain size / μm Epit / V Ir / A·cm-2 Ia / A·cm-2 Reactivation ratio Original 14.5 0.41 0.00448 0.00988 45.34% CR 11.6 0.48 0.32029 0.95314 33.60% UFG/FG 2.8 0.75 0.00038 0.98559 0.39%