Ti80合金与船用金属的电偶腐蚀行为研究

方焕杰, 周鹏, 郁健浩, 王永欣, 于波, 蒲吉斌

Galvanic Corrosion Behavior of Coupling Pairs of Ti80 Alloy with Various Marine Metallic Materials

FANG Huanjie, ZHOU Peng, YU Jianhao, WANG Yongxin, YU Bo, PU Jibin

表1 921A、B10、6061和40Cr与Ti80偶接前后的电化学参数

Table 1 Electrochemical parameters of 921A, B10, 6061 and 40Cr alloys before and after coupling with Ti80 alloy

Sample Ecorr / V Icorr / A·cm-2 βa / V·dec-1 βc / V·dec-1 921A -0.619 4.796 × 10-6 0.024 0.806 921A/Ti80 -0.631 8.582 × 10-6 0.138 0.250 B10 -0.278 2.847 × 10-6 0.657 0.056 B10/Ti80 -0.281 2.887 × 10-6 0.714 0.058 6061 -1.259 3.663 × 10-4 0.634 0.161 6061/Ti80 -1.332 6.897 × 10-4 0.880 0.196 40Cr -0.474 1.307 × 10-6 0.086 0.385 40Cr/Ti80 -0.588 9.894 × 10-6 0.806 0.093