三种典型船舶螺旋桨用铜合金的空蚀行为对比研究

佟瑶, 宋亓宁, 李慧琳, 许楠, 包晔峰, 张根元, 赵立娟

A Comparative Assessment on Cavitation Erosion Behavior of Typical Copper Alloys Used for Ship Propeller

TONG Yao, SONG Qining, LI Huilin, XU Nan, BAO Yefeng, ZHANG Genyuan, ZHAO Lijuan

表3 3种铜合金在3.5% NaCl溶液中腐蚀与空蚀交互作用分析结果

Table 3 Analysis results of cavitation erosion-corrosion synergistic effect for three copper alloys in 3.5%NaCl solution

Material Mass loss rate / mg·cm-2·h-1 Percentages / % WT WC WE WEIC WCIE WS fC fE fEIC fCIE fS Mn-brass 4.4167 0.0180 3.4417 0.1027 0.8543 0.9570 0.41 77.92 2.33 19.34 21.67 MAB 1.4383 0.0195 1.2217 0.0814 0.1157 0.1971 1.36 84.94 5.66 8.04 13.70 NAB 1.0883 0.0104 0.9000 0.0598 0.1181 0.1779 0.95 82.70 5.49 10.86 16.35