还原氧化石墨烯铜基复合材料的耐腐蚀性能及其机理

姜兴国, 沈文卓, 杨涛, 张佳利, 钟民, 曹贺, 郭守武

Enhancing Effect and Mechanism of Reduced Graphene Oxide on the Corrosion Resistance of Copper-based Composites

JIANG Xingguo, SHEN Wenzhuo, YANG Tao, ZHANG Jiali, ZHONG Min, CAO He, GUO Shouwu

表2 电化学测量的腐蚀参数

Table 2 Corrosion parameters derived from the electrochemical measurements

Sample Icorr / μA·cm-2 Ecorr / mV CR / cm·a-1 IE / % Cu-1 h 123.4 -295 2.90 - Cu-12 h 55.89 -269 1.31 - Cu-24 h 32.37 -268 0.76 - Cu-3 d 23.31 -270 0.55 - Cu-7 d 5.962 -307 0.14 - Cu/rGO bulk-1 h 80.43 -291 1.89 34.8 Cu/rGO bulk-12 h 38.15 -270 0.90 31.7 Cu/rGO bulk-24 h 25.13 -272 0.59 22.4 Cu/rGO bulk-3 d 17.92 -273 0.44 23.1 Cu/rGO bulk-7 d 4.852 -304 0.11 18.6