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PREPARATION OF MESOPOROUS CARBON BY CARBON DIOXIDE ACTIVATION WITH CATALYST W.Z.Shen1,J.T.Zheng1,A.H.Lu1 (1.Institute of Coal Chemistry, The Chinese Academy of Sciences, Taiyuan 030001, China) Abstract:A mesoporous activated carbon (AC) can be successfully prepared by catalytic activa-tion with carbon dioxide. For iron oxide as catalyst, there were two regions of mesoporesize distribution......
J. Cent. South Univ. (2017) 24: 891-899 DOI: 10.1007/s11771-017-3491-z Optimization of passive control performance for different hard disk drives subjected to shock excitation Seyed Rashid Alavi1, 2... of the most sensitive components of LPCs is hard disk drive (HDD) which needs to be protected against damages attributable to shock and vibration in order to have better magnetic read/write performance......
Composition Gradient Hard Coatings by Arc Ion Plating LIN Guo-qiang1,CHEN Jun2,WANG Fu-gang2 (1.State Key Laboratory for Materials Modification, Dalian , China;2.Department of material engineering of Dalian University of Technology, Dalian , China) 摘要:Arc Ion Plating can be used to synthesize multi-component composition gradient hard coatings by adjusting arc currents of metal targets......
Designing multilayer diamond like carbon coatings for improved mechanical propertiesMohammad Sharear Kabir1,2,Zhifeng Zhou3,Zonghan Xie4,5,Paul Munroe11. School of Materials Science and Engineering... coatings were produced by incorporating alternating soft and hard DLC layers enabled by varying the bias voltage during deposition process while maintaining a constant hard-to-soft layer thickness ratio......
Microstructure transformation of carbon nanofibers during graphitization ZHANG Yong(张 勇)1, TANG Yuan-hong(唐元洪)1, 2, LIN Liang-wu(林良武)1, ZHANG En-lei(张恩磊)1 1. College of Materials Science...: The microstructures of vapor-grown carbon nanofibers(CNFs) before and after graphitization process were analyzed by high resolution transmission electron microscopy(HRTEM), Raman spectroscopy, X-ray diffractometry(XRD......
is higher than the theoretical capacity of graphite (372 mA·h/g), the specific capacity is still fading with cycling, which is ascribed to the amorphous nature of hard carbon materials [32-34... batteries [J]. Advanced Functional Materials, 2006, 16(18): 2393-2397. [34] BUIEL E, DAHN J R. Li-insertion in hard carbon anode materials for Li-ion batteries [J]. Electrochimica acta, 2013, 45(1-2......
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Influence of confining stress on fracture characteristics and cutting efficiency of TBM cutters conducted on soft and hard rockLIU Jing-shuo(刘京铄), CAO Ping(曹平), LIU Jie(刘杰), JIANG Zhe(蒋喆) (School... conditions and cutting efficiencies of soft and hard rock has been conducted on the triaxial testing machine (TRW-3000) designed and manufactured in Central South University (China). Results are obtained......
ARTICLE J. Cent. South Univ. (2019) 26: 1458-1468 DOI: https://doi.org/10.1007/s11771-019-4102-y Red-blood-cell-like nitrogen-doped porous carbon as an efficient metal-free catalyst for oxygen... and Science,Changde 415000, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: A red-blood-cell-like nitrogen-doped porous carbon catalyst......
higher hardness in cermets modified by nano-TiN. Key words: cermets; hard phase; binder phase; microstructure; mechanical properties ...Co更有利于提高金属陶瓷的硬度,而Ni则能提供更好的抗弯强度和断裂韧性. REFERENCES [1] ETTMAYER P, KOLASKA H, LENGAUER W, DREYER K. Ti(C, N) cermets-metallurgy and properties[J]. International Journal of Refractory Metals Hard......
