نتایج جستجو برای: carbon nano fiber

تعداد نتایج: 448979  

Journal: :Optics express 2005
Shaomin Wang Laigui Hu Binzhi Zhang Daomu Zhao Zhiyi Wei Zhiguo Zhang

Nano-carbon as lighting source is demonstrated in this paper. The characterized nano-radiation from nano-carbon, excited by different lasers in vacuum, is observed when laser intensity is over a threshold. With lower excitation threshold and smaller white light source, nano-carbon is more applicable to be as lighting system than the others in scientific experiments. White light emission of nano...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 2004

2010
Syogo Tejima Satoshi Nakamura Yoshiyuki Miyamoto Yoshikazu Fujisawa Hisashi Nakamura Morinobu Endo Eiji Osawa Atushi Oshiyama Yasumasa Kanada Susumu Saito Riichiro Saito Hisanori Shinohara David Tomanek Tsuneo Hirano Shigeo Maruyama Kazuyuki Watanabe Takahisa Ohno Yutaka Maniwa

Nano carbon materials as nanotube and fullerene have a potential for applications to the advanced industries. For nano carbon materials, it has been recognized that large-scale simulation is a powerful and efficient tool to find and create new functional nano carbon materials. Aiming at conducting the productive simulation for nano-materials, we have developed the large-scale simulation models ...

2004
M. C. Weisenberger R. Andrews D. Jacques T. Rantell M. Meier C. Fitzwater

Aligning multiwall carbon nanotubes (MWNTs) with the direction of load is desirable for maximizing tensile reinforcement in composites. This has been accomplished by spinning composite fibers containing MWNTs[1]. The shear and elongational flow fields inherent to fiber processing cause the MWNTs to align with the fiber axis. Efficient stress transfer from the matrix to the MWNTs is also a cruci...

2010
Hirotomo Nishihara Takashi Suzuki Hiroyuki Itoi

Introduction As a new class of an ultra-high capacity anode material for Li-ion batteries, nano-Si/carbon composites have a considerable potential [1, 2]. In such composites, nano-Si can store lithium faster than bulk Si, and the carbon matrix serves nano-Si with an electrical path to compensate the poor electrical conductivity of Si. Though Si has an extremely high theoretical capacitance up t...

Journal: :Biomaterials 2008
Marina I Santos Kadriye Tuzlakoglu Sabine Fuchs Manuela E Gomes Kirsten Peters Ronald E Unger Erhan Piskin Rui L Reis C James Kirkpatrick

Presently the majority of tissue engineering approaches aimed at regenerating bone relies only on post-implantation vascularization. Strategies that include seeding endothelial cells (ECs) on biomaterials and promoting their adhesion, migration and functionality might be a solution for the formation of vascularized bone. Nano/micro-fiber-combined scaffolds have an innovative structure, inspired...

Journal: :journal of computational applied mechanics 0
ali ghorbanpour arani faculty of mechanical engineering, university of kashan, kashan , islamic republic of iran hassan baba akbar zarei faculty of mechanical engineering, university of kashan, kashan , islamic republic of iran elham haghparast faculty of mechanical engineering, university of kashan, kashan , islamic republic of iran

in the present study, modelling and vibration analysis of carbon nanotubes/ fiber/ polymer composite microplates are investigated. the governing equations of the carbon nanotubes/ fiber/ polymer composite microplates are derived based on first order shear deformation plate theory, rather than other plate theories, due to accuracy and simplicity of polynomial functions. the modified couple stres...

Journal: :journal of nanostructures 2014
a. reisi-vanani l. alihoseini

substitution of two or four carbon atoms by nitrogen in the corannulene molecule as a carbon nanostructure was done and the obtained structures were optimized at mp2/6-31g(d) level of theory. calculations of the nucleus-independent chemical shift (nics) were performed to analyze the aromaticity of the corannulene rings and its derivatives upon doping with n at b3lyp/6-31g(d) level of theory. re...

In the present study, modelling and vibration analysis of Carbon nanotubes/ fiber/ polymer composite microplates are investigated. The governing equations of the Carbon nanotubes/ fiber/ polymer composite microplates are derived based on first order shear deformation plate theory, rather than other plate theories, due to accuracy and simplicity of polynomial functions. The modified couple stres...

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