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将由溶胶-凝胶法制备的SiO_2溶胶用于铝阳极氧化膜的封闭,结果发现,当SiO_2溶胶颗粒与氧化膜胶态骨架尺寸匹配时可获得优良的封闭效果.作者认为SiO_2溶胶是通过填充膜孔来实现封闭的,并指出这是一种制备Al_2O_3-SiO_2复合氧化物薄膜的途径.
The SiO 2 sol prepared by the sol-gel method was used to seal the anodic aluminum oxide film and found that an excellent sealing effect was obtained when the SiO 2 sol particles matched with the colloidal skeleton size of the oxide film.The authors believe that the SiO 2 sol is formed by filling the film Hole to achieve closed, and pointed out that this is a way to prepare Al 2 O 3 -SiO 2 composite oxide film.