氧化时间对硬铝合金硬质阳极氧化膜性能的影响.pdf

39 6 2010 12 Vol. 39 No. 6 Dec. 2010 SURFACE TECHNOLOGY 87 , , , ( , 065000) [ ] 改变氧化时间,在硬铝合金表面制备硬质阳极氧化膜,研究了氧化时间对硬质阳极氧化膜厚度 硬度和封孔处理后 腐蚀性能的影响,并采用金相显微镜和扫描电子显微镜分析了氧化膜的表面形貌结果表 明: 所得硬质阳极氧化膜具有类似蜂窝状的结构, 氧化时间以60 min 为宜, 氧化60 min 所得的氧化膜综合性能 最佳 [] 硬铝合金; 硬质阳极氧化; 氧化时间; 性能 []TG174.451 [] A []2010 The Ef fect of Ox dat on T me on Property of Hard Anod c Ox dat on F lm on Hard Alum num Alloy PAN G Guox ing , CHE N Zhiy ong, LI Zhonglei, H UAN G Shengzhou ( Department of aterial Engineering, North China Institute of Astronautic Engineering, Langfang 065000, China) [ Abstract] Through changing oxidation time, the hard anodic oxidation film on hard Aluminum alloy was made, and the effect on film thickness, film hardness, film anticorrosion after sealing treatment was researched with different oxidation time, and the surface appearance was analyzed with microscope and SE . Results indicate that the obtained hard anodicoxidation film is with alikehoneycomb structure, the suitable oxidation timeis 60 min. Oxidation film made with 60 min oxidation timeis with theoptimum comprehensiveproperties. [ Key words] hard aluminum alloy; hard anodicoxidation; oxidation time; property , , , , , , , [ 1- 3] , 1 , , 1. 1 [4- 6] , 2A12 , ,(0 ! ), ( ) : 3. 8% ~ 4. 9% Cu, 1. 2% ~ 1. 9% ,