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Effect of cooling rate on microstructure and compressive performance of AZ91 magnesium alloy YANG Lin(杨 林), FENG Hui(冯 辉), QIU Ke-qiang(邱克强), CHEN Li-jia(陈立佳), LIU Zheng(刘 正) School of Materials... temperature compressive performance of the AZ91 magnesium alloy was investigated. The experimental results show that with increasing cooling rate, the quantity of the solid solution phase increases......
performance enhancement of filled-type solar collector with U-tubeLIANG Ruo-bing(梁若冰), ZHANG Ji-li(张吉礼), ZHAO Liang(赵亮), MA Liang-dong(马良栋) (Faculty of Infrastructure Engineering, Dalian University... of filled layer, the less the rate of the energy transfer between the two pipes to the total energy transfer, which is between the absorber tube and the working fluid. There is a little difference......
electrodes show better activation performance when UV irradiation is present. The high rate discharge performance as well as cycle performance is improved compared with that of the AB5 alloys. The PHSA shows... Comparison of high-rate discharge performance of PHSA electrode and AB5 electrode Fig.6 shows the high-rate discharge performance pattern of AB5 alloy electrode and PHSA electrode with different CuAl2O4......
synthesized in laboratory. It turns out that the settling performance of high goethite-containing red mud was better with HPAM. The average settling rate of red mud in the first 5 min and the turbidity...Synthesis of modified polyacrylamide with high content of hydroxamate groups and settling performance of red mudLiu Jin-wei(刘锦伟), Hu Hui-ping(胡慧萍), Wang Meng(王梦), Chen Xiang-pan(陈湘攀), Chen Qi-yuan(陈......
performance, low efficiency and low rate of finished products. In this study, a six-axis fibre coupler machine was taken as experimental setup, the relationship between technological parameters... parameters on optical performance of fiber coupler SHUAI Ci-jun(帅词俊), DUAN Ji-an(段吉安), ZHONG Jue(钟 掘) (School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China......
with the AZ91D substrate. 2.4 Electrochemical performance tests Potentiodynamic polarization was carried out using AUTOTEST system and the scan rate was 2.5mV/s. The impedance measurements were...Electrochemical performance of microarc oxidation films formed on AZ91D alloy in two group electrolytes WANG Li-shi(王立世), CAI Qi-zhou(蔡启舟) , WEI Bo-kang(魏伯康), LIU Quan-xin(刘全心) (State Key......
Study on High Rate Discharge Performance and Mechanism of AB5 Type Hydrogen Storage Alloys 于军1,郭靖洪2,杨柯2,刘国忠1,陈德敏2,张建海1 (1.Suppo Battery Co.,Ltd.,Shenyang 110015,China;2.Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110015,China) Abstract:The effects of surface treatment, particle size distribution,rare earth composition and B additive on the high rate discharge performance......
Excellent supercapacitive performance of a reduced graphene oxide/Ni(OH)2 composite synthesized by a facile hydrothermal routeZHENG Cui-hong(郑翠红), LIU Xin(刘欣), CHEN Zhi-dao(陈志道), WU Zhen-fei(伍振飞... graphene oxide/Ni(OH)2 composite with excellent supercapacitive performance was synthesized by a facile hydrothermal route without organic solvents or templates used. XRD and SEM results reveal......
J. Cent. South Univ. Technol. (2011) 18: 1248-1255 DOI: 10.1007/s11771-011-0829-9 Performance index limits of high reinforced concrete shear wall components LAO Xiao-chun(劳晓春)1, 2, HAN Xiao-lei(韩... University of Technology, Guangzhou 510640, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: The deformation performance index limits of high reinforced......
High strain rate superplasticity of AZ31 alloy ZHOU Hai-tao(周海涛), JIANG Yong-feng(蒋永锋), ZHONG Jian-wei(钟建伟), ZHAO Zhong-kai(赵仲恺), LI Qing-bo(李庆波) 1. School of Materials Science and Engineering... at the strain rate of 5×10-2 s-1. The best superplastic conditions are at 723 K and at the strain rate of 5×10-2 s-1. During superplastic deformation, it is found that the mean grain size decreases from......