快速凝固耐热铝合金耐蚀性能的研究  

Research on Corrosion-Resistance of Rapidly Solidified Aluminum Alloys

作　　者：周涛[1] 黄伯云[1] 周科朝[1] 黎文献[2] 

机构地区：[1]中南大学粉末冶金国家重点实验室,湖南长沙410083 [2]中南大学材料系,湖南长沙410083

出　　处：《稀有金属材料与工程》2004年第2期187-189,共3页Rare Metal Materials and Engineering

基　　金：国家"863"资助项目

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.

关 键 词：快速凝固耐热铝合金 耐蚀 极化曲线 钝化 

分 类 号：TG174[金属学及工艺—金属表面处理]