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Formation and capacitance properties of Ti-Al composite oxide film on aluminum YAO Lei(姚 雷), LIU Jian-hua(刘建华), YU Mei(于 美), LI Song-mei(李松梅), WU Hao(吴 昊) School of Materials Science... on coated specimens was at most 80% higher than that without TiO2. In film formation mechanism, it was claimed that the formation of composite oxide film was mainly affected by the structure of micro-pores......
Reaction mechanism between oxide film on surface of Al-Li alloy and CsF-AlF3 flux XUE Song-bai(薛松柏), ZHANG Ling(张 玲), HAN Zong-jie(韩宗杰), HUANG Xiang(黄 翔) College of Materials Science...; Abstract: The composition of the oxide film on the surface of Al-Li alloy was measured......
Article ID: 1003-6326(2005)05-1014-07 Preparation of composite electroheat carbon film XIA Jin-tong(夏金童), TU Chuan-jun(涂川俊), LI Yan(李 焰), HU Li-min(胡利明), DENG Jiu-hua(邓久华) (College... that, close-packed carbon network configuration is formed within the composite electroheat carbon film which yields a volume resistivity of 0.5×10-2-10.0×10-2Ω·cm at room temperature. The electroheat......
into the oxide film during the anodizing process and preferentially concentrate within internal cavities and micro-cracks. The ball-on-disk sliding tests indicate that SiC-containing oxide films register much... film (3.73×10-8 A/cm2). The synthesized composite film has good anti-wear and anti-corrosion properties and the growth mechanism of nanocomposite film is also discussed.Key words:Ti6Al4V alloy; anodic......
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of cerium. The structure and chemical compositions of the surface oxide film were investigated by XRD and Auger electron spectrometry(AES). The results of XRD indicate that the oxide film of the surface of ignition-inhibition magnesium alloy can change from loose structure of simple magnesia to compact composite structure consisting of magnesia, cerium oxide, Mg17 A112 and aluminum oxide, which has......
impedance spectroscopy, respectively. The glass transition temperature and the crystallinity of composite polymer electrolytes are decreased compared with those of PEO-LiClO4 polymer electrolyte film. The results show that TiO2 particles are uniformly dispersed in PEO-LiClO4-5%TiO2 composite polymer electrolyte film. The maximal conductivity of 5.5×10-5 S/cm at 20 ℃ of PEO-LiClO4-TiO2 film......
microscopy to compare the different erosion resistance behaviours. The results show that the composite layer outside of the compounds layers changes obviously with increasing temperature, lasting time or sample movement. The better erosion resistance of H13 steel can be endowed with the oxide films, which would gradually decrease along with the dissolve of the films. 关键词:Erosion resistance,oxide......
Cerium Oxide Film Prepared from Molten Salts 刘正义1,匡同春2,白晓军2,成晓玲2 (1.华南理工大学机械电子工程系,广州 510641;2.广东工业大学实验研究中心,广州 510090) 摘要:Cerium oxide film formed on the nickel electrode at 453 K in LiNO3-KNO3... was: O2+e O22; O2+2NO-3 → 2NO2+2O2. According to the results of SEM and XPS, cerium oxide film, which is composed of CeO2, can form on the nickel electrode at - 1.850 V vs. Ag/AgNO3 (0.1 mol/L......
. The photoelectrochemical properties of composite titanium dioxide and ferric oxide nanocrystalline electrodes [J]. Acta Physico-Chimica Sinica, 1999, 15(3): 222-227. [23] XU W, LI X J, ZHENG S J, WANG J G. Comparison... Photocatalytic oxidation activity of titanium dioxide film enhanced by Mn non-uniform doping ZHANG Kai-jian(张开坚)1, 3, XU Wei(徐 伟)2, 4, LI Xin-jun(李新军)2, ZHENG Shao-jian(郑少健)2, XU Gang(徐 刚......