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and 15.67%, respectively. Corresponding to HPb59-1 by the size as well as appearance of the chips and the mechanism of free-cutting, the cutting property of unleaded free-cutting Sb-brass is excellent..., and it is feasible to develop a new unleaded free-cutting Sb-brass. Key words: nonleaded; free-cutting brass; stibium; microstructure; property1 Introduction Because of the excellent cutting property......
Effect of stoichiometric ratio upon electrochemical properties of AB5-type alloys YU Li-min(于丽敏), JIANG Wen-quan(蒋文全), JIANG Li-jun(蒋利军), FU Zhong-zhen(傅钟臻), ZHANG Wen-guang(张文广) ... electrochemical properties of AB5-type hydrogen storage alloys, a series of alloys Mm0.8La0.2(Ni4.0Mn0.5Al0.3Co0.37Fe0.13)a (a=0.90-1.08) were prepared and the electrochemical properties were tested......
Corrosion and electrochemical behavior of AZ31D magnesium alloys in sodium chloride SHAN Da-yong(单大勇)1 , ZHOU Wan-qiu (周婉秋)1,2, HAN En-hou(韩恩厚)1 , KE Wei(柯 伟)1 1. Institute of Metal Research... September 2006 Abstract: The corrosion and electrochemical behavior of extruded AZ31D magnesium alloys in NaCl solution were investigated using SEM, XRD and electrochemical method. It is found......
Electrochemical characteristics and surface morphology in non-chromate chemical conversion coating for Zn-electroplated steel sheets Masazumi OKIDO1, Ryoichi ICHINO1, Seok-Ki JANG2...; Abstract: The corrosion protection property and morphology of colloidal silica conversion films as an alternative to chemical conversion coating(CCC) films were......
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Electrochemical noise characteristics in corrosion process of AZ91D magnesium alloy in neutral chloride solution ZHANG Li-jun(张丽君)1, 2, ZHU Xu-bei(朱旭蓓)3, ZHANG Zhao(张 昭)2, 4... was investigated by electrochemical noise(EN), SEM and EDX. Fractal theory was primarily used to depict the corrosion process of the alloy. The fast wavelet transform(FWT), as well as the fast Fourier......
Effect of WFe substitution on microstructures and electrochemical hydrogen storage properties of LaNi3.70Co0.2–xMn0.30Al0.15Cu0.65(W0.42Fe0.58)x alloys马名杰1,孙俊岭1,范燕平1,张宝庆1,吉力强2,刘宝忠11. School... and Fe, was used to substitute Co in LaN i3.70Co0.2Mn0.30Al0.15Cu0.65 alloy to improve the overall electrochemical properties with the decrement of the cost. Microstructures and electrochemical......
Effect of WFe substitution on microstructures and electrochemical hydrogen storage properties of LaNi3.70Co0.2–xMn0.30Al0.15Cu0.65(W0.42Fe0.58)x alloys马名杰1,孙俊岭1,范燕平1,张宝庆1,吉力强2,刘宝忠11. School... and Fe, was used to substitute Co in LaN i3.70Co0.2Mn0.30Al0.15Cu0.65 alloy to improve the overall electrochemical properties with the decrement of the cost. Microstructures and electrochemical......
Preparation and property of spinel LiMn2O4 material by co-doping anti-electricity ions XIAO Jin(肖 劲), ZHU Hua-li(朱华丽), CHEN Zhao-yong(陈召勇), PENG Zhong-dong(彭忠东), HU Guo-rong(胡国荣) School... that of pure spinel LiMn2O4, which reveals that the co-doping material possesses preferable electrochemical reversibility. Key words: Li-ion batteries; cathode material; LiMn2O4; Co-doping; anti-electricity......
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