铝合金阳极氧化−交流电解着色膜对可见光的吸收性能  

Visible-light absorptivity of the film formed on aluminum alloy by anodization and electrolytic alternatingcurrent coloring

作　　者：邓霞 梁坤[1] 周纯 朱梅星 DENG Xia;LIANG Kun;ZHOU Chun;ZHU Meixing(Key Laboratory of State Forestry Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China,Southwest Forestry University,Kunming 650224,China;不详)

机构地区：[1]西南林业大学,西南地区林业生物质资源高效利用国家林业与草原局重点实验室,云南昆明650224

出　　处：《电镀与涂饰》2020年第17期1190-1193,共4页Electroplating & Finishing

基　　金：云南省教育厅科学基金项目(2011Y272);西南林业大学科学基金项目(110939)。

摘　　要：先采用165 g/L硫酸溶液在温度(20±1)℃、电流密度1.5 A/dm^2和电压15 V的条件下对1235铝合金阳极氧化30 min,再采用由15 g/L CuSO4·5H2O、2.5 g/L MgSO4·7H2O和25 g/L H3BO3组成的电解液,在室温、电压12 V和电流密度1.3 A/dm^2的条件下交流电解着色30~360 s。研究了着色时间对膜层颜色、铜沉积量和吸光度的影响。结果表明,随电解着色时间延长,铜的沉积量增大,膜层颜色变深;膜层颜色与铜的特征吸收有关,但铜粒子对光的散射才是决定氧化膜颜色的主要因素。The 1235 aluminum alloy was firstly anodized in a 165 g/L H2SO4 solution at temperature(20±1)℃,current density 1.5 A/dm^2,and voltage 15 V for 30 min,and then electrolytically colored in the electrolyte composed of CuSO4·5H2O 15 g/L,MgSO4·7H2O 2.5 g/L,and H3BO325 g/L at room temperature,voltage 12 V,and current density 1.5 A/dm2 for 30-360 s.The effect of electrolytic coloring time on the color,mass of copper deposited per unit area,and absorbance of the colored alumina film was studied.The results showed that the mass of copper deposited per unit area was increased with the extending of electrolytic coloring time,and the color of alumina film became darker.The color of the coper-containing alumina film is related to the characteristic absorption of copper,but its main affecting factor is the light scattering from copper particles.

关 键 词：铝合金 阳极氧化 交流电解着色 铜粒子 吸光度 特征吸收 散射 

分 类 号：TG177[金属学及工艺—金属表面处理] TQ153.6[金属学及工艺—金属学]