An electrochemical investigation of the corrosion behavior of Al-Si-Cu hypereutectic alloys in alcoholic environments
作者: Traldi, S. M.Rossi, J. L.Costa, I.
刊名: Revista de Metalurgia, 2003, Vol.39 (Extra), pp.86
来源数据库: Directory of Open Access Journals
关键词: Al-Si-Cu hypereutetic alloysAlcoholic mediaCorrosionSpray formingAleaciones hipereutécticasMedio alcohólicoConformación por spray
原始语种摘要: Al-Si-Cu hypereutetic alloys produced by spray forming are mostly used in the automotive industry, especially for cylinder liners. They have the advantage of low weight associated with low coefficient of thermal expansion and excellent mechanical properties - mainly wear resistance at high temperatures. The corrosion resistance of these alloys in fuels, particularly alcoholic media, however is not yet known. In this investigation, electrochemical impedance spectroscopy (EIS) and potentiodynamic polarisation have been used to evaluate the corrosion resistance of a hypereutectic Al-Si-Cu alloy in alcoholic environments. The EIS tests were carried out in pure ethanol, and ethanol with small additions (1 mM) of acid and chloride, to investigate the effect of these contaminants on corrosion...
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关键词翻译
关键词翻译
  • corrosion 腐蚀
  • alloys 多组分胶
  • hypereutectic 过共晶体
  • alcoholic 醇的
  • investigation 研究
  • resistance 抵抗
  • spray 喷雾
  • behavior 行为
  • ethanol 乙醇
  • produced 出品