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普通低碳钢与细晶粒钢钝化膜在碱性介质中的耐蚀性施锦杰1,孙伟1,耿国庆1(1.江苏省南京市东南大学材料科学与工程学院江苏省土木工程材料重点实验室)摘 要:应用循环伏安与动电位极化曲线确定普通低碳钢与细晶粒钢在碱性介质(模拟混凝上孔隙液)中的钝化区域.利用计时电流法在选取的阳极极化电位下使钢筋生成稳定的钝化膜,并通过电化学阻抗谱,Mott-Schottky曲线比较了钢筋在不同阳极电位下形成的钝化膜的优劣性;其次,循环极化曲线对比分析了在有无Cl~-存在时普通低碳钢与细晶粒钢钝化膜的耐蚀性.结果表明,2种钢筋的公共......
FeSO4/H2O2处理硅钢废水试验研究张文艺1,2,罗鑫1,李秋艳2,姚立荣2,李定龙2,张千峰-2(1.江苏省常州市常州大学环境与安全工程学院2.安徽省马鞍山市安徽工业大学 冶金学院)摘 要:针对硅钢钝化液废水利用NaHSO3处理Cr6+,CODCr超标的难题,改用FeSO4和H2O2为处理剂,利用Fe2+的还原性和在酸性条件下Fe2+与H2O2形成Fenton试剂的催化氧化特性,对废水中的Cr6+和CODCr进行同步去除.FeSO4/H2O2处理硅钢钝化液废水适宜参数为:n(Fe2+)∶n(H2O2)=1......
Electro-Oxidation of Concentrated Ce(Ⅲ) at Carbon Felt Anode in Nitric Acid Media Wei Yuezhou1,Jelinek Ludek1,Mikio Kumagai1 (1.Nuclear Chemistry and Chemical Engineering Center, Institute... was carried out in nitric acid media at carbon felt anode under galvanostatic conditions. Carbon felt was used as an anode for its high specific surface area and high oxygen evolution overpotential. Pt......
文献标识码: A Effect of Sb and Sn on performance of aluminum sacrificial anode materials ZHU Cheng-fei, XU Feng, WEI Wu-ji, DING Yi, WANG Ning (College of Materials Science and Engineering,Nanjing University of Technology, Nanjing 210009, China) Abstract: Five kinds of Al-Zn-In system sacrificial anode materials with different contents of Sb and Sn were cast. The electrochemical performance......
Preliminary testing of NiFe2O4-NiO-Ni cermet as inert anode in Na3AlF6-AlF3 melts LAI Yan-qing(赖延清), TIAN Zhong-liang(田忠良), LI Jie(李 劼), YE Shao-long(叶绍龙), LIU Ye-xiang(刘业翔) School... of inert anode was evaluated in a laboratory electrolysis cell with various electrolyte compositions. The results indicate that the electrical resistivity of cermet studied has negative temperature......
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Effect of Ni content on corrosion behavior of Ni/(10NiO-90NiFe2O4) cermet inert anode TIAN Zhong-liang(田忠良), LAI Yan-qing(赖延清), LI Jie(李 劼), LIU Ye-xiang(刘业翔) School of Metallurgical Science... conductivity, the cermet containing 5%Ni (mass fraction) behaves best among NiO-NiFe2O4 based cermet anodes studied, and should be further studied. Key words: aluminum electrolysis; inert anode; NiFe2O4......
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途的锂离子电池负极材料. 关键词:复合负极材料;电容特性;脱嵌锂特性 中图分类号:TM912.9 文献标志码:A 文章编号:1672-7207(2010)06-2091-05 Anode... University, Changsha 410083, China) Abstract: An anode composite sample was prepared by means of physical mix using carbon microbeads and activated carbon as precursors. Scanning electron microscope, X-ray......