重庆大学学报：自然科学版2012，Vol.35Issue(3)：47-51,5.
表面缺陷对7075铝合金阳极氧化膜的影响
Effect of surface defects on anodic oxidation coating of 7075 aluminum alloy
摘要
Abstract
To study the effect of processing on anodization of 7075 high strength aluminum alloy,the aluminum anodic oxidation coating is prepared and the microstructure,surface morphology and the composition are analyzed by metallurgical microscope,stereomicroscope,scanning electron microscopy（SEM） and EDS.The results show that interruptions and cracks of the anodizing film appear in the surface near the precipitates;the anodizing film is thinner around the surface defects and there are cracks in the edge of sharp corners of it.It can improve the quality of the anodic film and meet the requirements of corrosion resistance by increase the surface degree of finish.The anodic oxidation coating is uneven or incomplete,which weakens the protection for the aluminum alloy substrate,due to the surface defect.关键词
铝合金/阳极氧化处理/析出相/耐腐蚀性Key words
aluminum alloy/anodizing/precipitates/corrosion resistance分类
化学化工引用本文复制引用
黄志涛,田文怀..表面缺陷对7075铝合金阳极氧化膜的影响[J].重庆大学学报：自然科学版,2012,35(3):47-51,5.基金项目
国家自然科学基金资助项目 （）
