摘要
研究了７种铜合金在南海榆林站海水中８年的腐蚀行为结果表明，７种铜合金的平均腐蚀深度与时间关系符合Ｈ＝ａＴｂ规律，其平均腐蚀速度随时间而下降，利用ＥＰＭＡ、Ｘ衍射分析了ＨＳｎ６２—１、ＱＳｎ６．５－０．１腐蚀膜成分、结构与耐蚀性的关系．
Seven copper alloys were exposed in South China Sea for 8 years. Results show that the relationship between the average corrosion depth of copper alloys and the exposure time can be described by H=aTb and that the average corrosion rates for copper alloys decrease with time. The corrosion product film formed on some copper alloys was analysed by EPMA and X-ray diffraction. The reason that HSn62-1 has good resistance to general corrosion is due to the Sn enrichment in the local zone of inner corrosion layer and the inhibiting effect of the formed tin compounds on the dissolution process of the anodic phase.
出处
《腐蚀科学与防护技术》
CAS
CSCD
1995年第3期230-236,共7页
Corrosion Science and Protection Technology
基金
国家自然科学基金
中国船舶工业总公司联合资助
关键词
铜合金
回归分析
海水腐蚀
暴露试验
copper alloy, seawater, corrosion, regression analysis, film
