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LY12铝合金在弱碱性介质中的着色工艺研究
引用本文:刘哲,唐子龙.LY12铝合金在弱碱性介质中的着色工艺研究[J].腐蚀科学与防护技术,2011(1):57-60.
作者姓名:刘哲  唐子龙
作者单位:天津大学材料科学与工程学院;天津大学天津市材料复合与功能化重点实验室;
基金项目:天津市重点项目(09JCZDJC24100); 国家自然科学基金项目(50671072)资助
摘    要:采用直流电解方法,在室温的0.2 mol/L NaOH作为基础电解液中,在LY12铝合金上制备了常用的伪装色橄榄绿膜,分析了着色电压和时间对着色膜性能的影响.结果表明,在槽压5 V和着色时间4 min时制备的橄榄绿膜层色泽均匀,具有良好的结合力、耐热性和耐蚀性,在盐酸中具有良好的时效耐蚀性能.

关 键 词:铝合金  着色膜  伪装色  耐蚀性

A Coloring Technique of LY12 Al Alloy in NaOH Solution
LIU Zhe,TANG Zi-long .School of Materials Science , Engineering,Tianjin University,Tianjin .Tianjin Key Laboratory of Composite , Functional Materials,Tianjin.A Coloring Technique of LY12 Al Alloy in NaOH Solution[J].Corrosion Science and Protection Technology,2011(1):57-60.
Authors:LIU Zhe  TANG Zi-long School of Materials Science  Engineering  Tianjin University  Tianjin Tianjin Key Laboratory of Composite  Functional Materials  Tianjin
Affiliation:LIU Zhe~1,TANG Zi-long~(1,2) 1.School of Materials Science and Engineering,Tianjin University,Tianjin 300072 2.Tianjin Key Laboratory of Composite and Functional Materials,Tianjin 300072
Abstract:Olive green film,a widely used stealthy color,was electrolytically prepared on LY12 aluminum alloy in electrolytes of 0.2 mol/L NaOH at room temperature.The effect of the control parameters,i.e.cell potential and coloring time,on performance of color film were examined in detail.Two key parameters in the coloring process were optimized,i.e.5V cell potential and 4 min electrolytic period.The olive green film prepared by the optimized process was uniform and tightly bound to the metal substrate.The color film...
Keywords:aluminum alloy  coloring film  stealthy color  corrosion resistance  
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