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access to explore new kinds of etchants. Key words: electrolytic capacitor; aluminum foil; electro-etching; anodic polarization; pitting ... rate of 10 mV/s. 3 Results and discussion 3.1 Effect of H2SO4 concentration on llim and anodic polarization curves Fig.1 shows the morphologies of oxide replica of tunnels etched in 1 mol/L HCl+x mol......
the conditions of the plasma discharge at the oxide/electrolyte interface[1, 2]. The mechanism of oxide layer formation during MAO represents a complex combination of conventional anodic oxide film growth...]. Journal of the Electrochemical Society, 1999, 146(5): 1757-1761. [6]Snizhko L O, Yerokhin A L, Pilkington A, et al. Anodic processes in plasma electrolytic oxidation of aluminum in alkaline solutions......
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Corrosion of Zinc Ferrite Based Inert Anodes in AlF3-NaF-Al2O3 Melts Under Conditions of Anodic Polarization Dong Yunhui1,Zhao Zengdian1,Zhang Lipeng1,Yu Xianjin1 (1.School of Chemical Engineering... the aluminum electrolysis tests. The corrosion behaviors of the inert anodes were examined and discussed. Experiment results prove that: (1) ZnFe2O4-based inert anodes are good corrosion resistant......
March 2015; accepted 17 November 2015 Abstract: The influence of adipic acid on the formation and corrosion resistance of anodic oxide film fabricated on 2024 aluminum alloy was investigated... and protected with hybrid sol–gel coating [J]. Electrochimica Acta, 2014, 124(4): 69-79. [16] NAKAJIMA D, KIKUCHI T, NATSUI S, SUZUKI R O. Growth behavior of anodic oxide formed by aluminum anodizing......
溶胶-凝胶法制备金银合金纳米线阵列 邵桂妮1,李锟2 (1.黄河科技学院信息工程学院,河南,郑州,450006;2.黄河科技学院医学院,河南,郑州,450006) 摘要:金银纳米材料因其纳米尺度而在光电等方面有许多优良的性质和用途, 若将两者混合可大大改善其性能. 为此, 利用阳极氧化法制备出氧化铝模板, 并用自制的模板结合溶胶凝胶法成功地制备了金银合金纳米线. 扫描电镜照片显示氧化铝模板具有比较直的孔道和高的孔洞率, 金银合金纳米线由于模板的限制作用而呈现出高度的有序性. 透射电镜照片显示单根纳米线长而光滑, 选区电子衍射显示纳米线具有多晶结构, 能谱分析表明纳米线是由金和银两种元素组成. 文中对合金纳米线的形成原因和影响因素都做了简单的分析. 关键词:阳极氧化铝模板; 溶胶-凝胶法; 金银合金纳米线; nano-porous; anodic aluminum oxide......
Effects of electrolytes variation on formation of oxide layers of 6061 Al alloys by plasma electrolytic oxidation Kai WANG1, Bon-Heun KOO1, Chan-Gyu LEE1, Young-Joo KIM1, Sung-Hun LEE2...; Abstract: Plasma electrolytic oxidation(PEO) processes were carried out to produce ceramic layers on 6061 aluminum substrates in four kinds......
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Growth mechanism of Cu nanopowders prepared by anodic arc plasma WEI Zhi-qiang(魏智强)1, 2, XIA Tian-dong(夏天东)2, MA Jun (马 军)1, DAI Jian-feng(戴剑锋)1, FENG Wang-jun(冯旺军)1, WANG Qing (王 青)1, YAN Peng...; Abstract: Based on the thermodynamics and kinetics theory, a theoretical model was built to illuminate the formation of metal nanopowders by anodic arc......
to the anodic oxide films formed on aluminum [7-9]. The porous structure, with a high specific surface area, possesses the capability of absorbing water and aggressive substances from media [10]. Since... the micropores with sealing after anodizing [11]. Tremendous efforts have been contributed to understanding and developing numerous sealing processes for anodic oxide films of aluminum [11]. Acetate......
