形变强化和逆相变细晶强化对<strong>Fe-18Cr-8Ni</strong>钢耐腐蚀性能的影响

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1 3种钢试样在3.5%NaCl溶液中的点蚀电位、腐蚀电位和腐蚀电流密度

Table 1 Pitting potential (E_pit), corrosion potensial (E_corr) and corrosion current density (I_corr) of three steels in 3.5%NaCl solution

Steel sample	E_pit / V	E_corr / V vs SCE	I_corr / A·cm^-2
Original	0.41	-0.38	1.02 × 10^-14
CR	0.48	-0.98	2.47 × 10^-11
UFG/FG	0.75	-1.12	5.09 × 10^-10