نتایج جستجو برای: carbon nano tubes
تعداد نتایج: 353314 فیلتر نتایج به سال:
Carbon nanotubes (CNTs) have attracted attention for their remarkable electrical properties and have being explored as one of the best building blocks in nano-electronics. A key challenge to realize such potential is the control of the nanotube growth directions. Even though both vertical growth and controlled horizontal growth of carbon nanotubes have been realized before, the growth of comple...
Mesoscopic, nanoporous carbon tubes were synthesized by a combination of the Stoeber process and the use of electrospun macrosized polystyrene fibres as structure directing templates. The obtained carbon tubes have a macroporous nature characterized by a thick wall structure and a high specific surface area of approximately 500 m²/g resulting from their micro- and mesopores. The micropore regim...
The ability to absorb vibrations in a vehicle during braking conditions depends primarily on the selection of ingredients for a friction material and interfacial adhesion between all these ingredients. In this work, a hybrid brake friction material is developed by combination of carbon fiber (CF), glass fiber (GF), resin and other ingredients. The surfaces of carbon and glass fibers are c...
This paper shows the research work on heat exchanger using nano fluid. In this paper we are using compact heat exchanger as heat transferring device while Al2O3 as a nano fluid. The effect of the nano fluids on compact heat exchanger is analyzed by using ε –NTU rating numerical method on turbo-charged diesel engine of type TBD 232V-12 cross flow compact heat exchanger radiator with unmixed flui...
0.1016/j.nanoen.2 lsevier Ltd. All rig thor. [email protected] Abstract The reversibility and stability of Li2S electrode can be improved by carbon coating on nano sized Li2S. However, how to uniformly coat a dense layer of carbon on nano sized Li2S is still challenge so far. Here, we utilized a novel flowable ionic liquid (1-Ethyl-3-methylimidazolium dicyanamide) as a carbon precursor to uniformly...
An attempt was taken to study the wear rate of coated Inconel 625 using 0.3 gm multiwall carbon tubes (MWCNT).The coating carried out by Ni-P electroless method. The Ni-P-MWCNT prepared nickel phosphorous solution. sliding test conducted pin on discs tribometer. behavior investigated at various levels tribometer factors, and a predictive model developed regression equations. experiment based L2...
In this work, carbon nanotube (CNT) based interconnections and switches will be reviewed, discussing the possibility to use nanotubes as potential building blocks for signal routing in microwave networks. In particular, theoretical design of coplanar waveguide (CPW), micro‐strip single‐pole‐single‐throw (SPST) and single‐pole‐double‐throw (SPDT) devices has bee...
The first aim of this study was to fabricate vertically aligned multiwalled carbon nanotubes (MWCNTs). MWCNTs were successfully prepared by using plasma enhanced chemical vapour deposition. Further, three carbon composite electrodes with different content of carbon particles with various shapes and sizes were prepared and tested on measuring of nucleic acids. The dependences of adenine peak hei...
Carbon nanotubes, which consist of rolled graphene sheets built from sp hybridized carbon atoms, were reported to be discovered in 1991, and are now attracting researchers from various disciplines due to their alluring physico-chemical properties. The special nature of carbon combines with the molecular perfection of buckytubes to endow them with exceptionally high material properties such as e...
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