机构地区: 中南大学材料科学与工程学院粉末冶金国家重点实验室
出 处: 《稀有金属材料与工程》 2004年第2期187-189,共3页
摘 要: 采用腐蚀失重法和极化曲线,对比研究了FVS0611,FVS0812,2618,2618+Sc,2014,6061合金在人工模拟海水和海洋环境中的耐蚀性能。结果表明:2014,2618和2618+Sc腐蚀较严重;RS/PM生产的FVS0611,FVS0812和6061有较小的腐蚀速率,出现明显的钝化现象;并因为加工残余应力导致出现钝化-腐蚀-再钝化现象。 Through corrosion weight-losing and polarization curve test, the corrosion-resistance properties of FVS0611, FVS0812, 6061, 2618, 2618+Sc, 2014 alloys under artificial seawater and oceanic condition have been investigated. It shows that FVS0611, FVS0812 and 6061 alloys prepared by RS/PM have a low corrosion while 2618, 2618+Sc and 2014 alloys has high corrosion. FVS0611, FVS0812 and 6061 alloys have obvious passivation. In the meantime, a phenomenon of passivation-corrosion-passivation occurs among them because residual process stress exists.