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2 3种铜合金在静态和空蚀状态下的腐蚀电流密度和腐蚀电位

Table 2 Current densities and corrosion potentials of three copper alloys under the quiescence and cavitation erosion conditions

Material Quiescence Cavitation Icorr / A·cm-2 Ecorr / mV Icorr / A·cm-2 Ecorr / mV Mn-brass 7.5637×10-6 -416.0 5.0586×10-5 -297.7 MAB 8.1730×10-6 -440.0 7.4390×10-5 -336.3 NAB 4.3689×10-6 -260.0 2.9417×10-5 -285.7