耐海水腐蚀球墨铸铁成分优化设计及其抗蚀性能

崔君军, 张雅静, 王琳琳, 陈晓刚, 张国志

Chemical Composition Optimization and Sea Water Corrosion Resistance of a Ductile Cast Iron

CUI Junjun, ZHANG Yajing, WANG Linlin, CHEN Xiaogang, ZHANG Guozhi

表1 耐海水腐蚀球墨铸铁成分设计

Table 1 Chemical compositions design of sea water corrosion-resistant ductile cast irons

Sample C Si Al Cu Mn Ni Cr I 3.6 2.9 0.8 0.5 ＜0.5 0.8 0 II 3.6 2.9 0.8 0.5 ＜0.5 0.8 0.4 III 3.6 2.9 0.8 0.5 ＜0.5 0.8 0.8 IV 3.6 2.9 0.8 0.5 ＜0.5 0.8 1.2 V 3.6 2.9 0.8 0.5 ＜0.5 0.8 1.5 VI 3.6 2.9 0.8 0.5 ＜0.5 1.0 0.6 VII 3.6 2.9 0.8 0.5 ＜0.5 2.0 0.6