Jan 01, 1999It is considered that carbon coating on such regular carbon coils may result in the formation of a micro-pipe or micro-solenoid which could be expected to provide novel functional properties. In this study, the regular carbon coils with no coil gap were coated with the pyrolytic carbon films by the decomposition of methane in an argon atmosphere, and the coating (plate) What is the theoretical strength of glassy carbon?What is the theoretical strength of glassy carbon?They represent the smallest lattice structures yet producedachieved by an 80% shrinkage of the polymer during pyrolysisand exhibit material strengths of up to 3 GPa, corresponding approximately to the theoretical strength of glassy carbon.Approaching theoretical strength in glassy carbon carbon coatings on carbon micro coils by pyrolysis of
Introduction Carbon microcoils (CMCs) have recently been the focus of a large amount of research, centered particularly on their synthesis, Fullerenes , tubes , bers , rods , cones , tips , morphology, microstructure and growth mechanisms . and coils [7,8] are but a few examples of the stable and exotic forms carbon coatings on carbon micro coils by pyrolysis of
Feb 01, 2016The carbon and carbonalumina lattices and honeycombs of this work are compared to other microarchitected and macroscopically structured lattice materials 15,16,19,37, to carbon-nanotube-based carbon coatings on carbon micro coils by pyrolysis of(plate) BJNANO - Effect of nanostructured carbon coatings on the carbon coatings on carbon micro coils by pyrolysis of(steel) The melts of linear or cross-linked PVA served as carbon source. We investigated the influence of composition and micro/nanomorphology of the carbonaceous coatings obtained by the pyrolysis of various kinds of PVA on the kinetics of lithium intercalationdeintercalation and the electrochemical properties of Li 1.4 Ni 0.5 Mn 0.5 O 2+ x /C carbon coatings on carbon micro coils by pyrolysis of
Aug 10, 2017Homogenously dispersed nanoparticles having a magnetic core and graphitic-carbon shells in amorphous carbon globules are prepared using a low-cost pyrolysis technique. Synergetic microwave absorption in carbon globules embedded with nanoscale iron/iron-carbide graphite (FeC) particles via dielectric, magneti(plate) Ceramization of Carborane-POSS and Coating on Carbon (steel) Aug 30, 2019A novel carborane-POSS pre-polymer has been synthesized and characterized as precursor for ceramic and applied on the surface treatment of carbon fiber by precursor infiltration and pyrolysis (PIP) method. The ceramization transformation process was investigated by using TGA, DSC, Py-GC/MS, etc. Ceramic yield after heating up to 1000 °C in nitrogen was 74.3 %
Carbon micro-coils were coated with pyrolytic carbon films by the decomposition of methane in an argon atmosphere, and the coating conditions and some of their properties were examined.(plate) Cited by 1Publish Year 2019Author Yi Sun, Dejin Tong, Zhanxiong LiGrowth of carbon micro-coils by pre-pyrolysis of propane carbon coatings on carbon micro coils by pyrolysis of(steel) Oct 15, 2004Carbon micro-coils were obtained by the Ni catalyzed pyrolysis of propane as a carbon source which was pre-heated and pre-pyrolyzed at 10001100 °C. The obtained carbon micro-coils were mostly irregular double coils with a larger coil pitch of 15 m and larger coil diameter of 520 m than that obtained using acetylene.
Sep 20, 2002The carbon nanocoil is an interesting kind of nanomaterial, which is expected to have various novel applications in microelectronics, microelectromechanical systems (MEMS) and bioMEMS due to its nanosize coil morphology. Carbon nanocoils were synthesized by catalytic pyrolysis of acetylene over 2.23.0 µm Ni particles at 600°C in a microwave chemical vapour (plate) Cited by 54Publish Year 2005Author Yong Chen, Chang Liu, Jin-Hong Du, Hui-Ming ChengVapor growth of carbon micro-coils by the Ni catalyzed carbon coatings on carbon micro coils by pyrolysis of(steel) LiFePO4 (LFP) as a cathode material for lithium-ion batteries (LIBs) requires the application of carbon composite to compensate its poor electrical conductivity. Thus, it is important to develop an efficient and cost-effective carbon composite process. This work demonstrates a new carbon coating (CC) method involving the direct solventless pyrolysis
Carbon coatings on carbon micro-coils by pyrolysis of methane and their properties. Xiuqin Chen, Seiji Motojima, Hiroshi Iwanaga. Pages 1825-1831 Download PDF. Article preview. select article Effect of binder addition on the mechanical and physicochemical properties of low rank coal char briquettes.(plate) Coral-Like YolkShell-Structured Nickel Oxide/Carbon carbon coatings on carbon micro coils by pyrolysis of(steel) Jan 09, 2019After the spray pyrolysis process, the as-prepared microspheres (CYS-Ni/NiO/C) were post-treated at 250 °C at a heating rate of 5 °C min 1 for 1 h under an air atmosphere in order to optimize the carbon content in the structure and transform the residual metallic Ni into the NiO phase. After the heat treatment, coral-like yolkshell NiO carbon coatings on carbon micro coils by pyrolysis of
Jul 15, 2014Carbon microcoils (CMCs) were deposited onto Al 2 O 3 substrates using C 2 H 2 /H 2 as source gases and SF 6 as an incorporated additive gas in a thermal chemical vapor deposition system. CMC-polyurethane (PU) composites were obtained by dispersing the CMCs in the PU with a dimethylformamide additive. The electromagnetic wave shielding properties of (plate) Evolution of glassy carbon under heat treatment carbon coatings on carbon micro coils by pyrolysis of(steel) Carbon nanocoils and/or microcoils were synthesized using C 2 H 2 as the source gas along with the injection of SF 6 as an incorporated additive gas under the thermal chemical vapor deposition (TCVD) system. To control the geometries of the carbon coils, we varied the SF 6 flow injection time at different reaction temperature ranges.
Oct 04, 2020Carbon materials with multilevel structural features are showing great potentials in electromagnetic (EM) pollution precaution. With ZIF67 microcubes as a selfsacrificing precursor, hierarchical carbon microcubes with micro/mesoporous shells and hollow cavities have been successfully fabricated with the assistance of rigid SiO 2 coating layers.(plate) Microwave absorption properties of carbon fibers with carbon coatings on carbon micro coils by pyrolysis of(steel) Mar 15, 2014Double-carbon microcoils and single-carbon nanocoils were selectively grown on the surface of carbon fibers (CFs) via decomposition of acetylene at the temperature of 680 °C using Ni and Ni/Al2O3 catalysts, respectively. The morphology and microstructure of the as-prepared carbon coilsCFs were studied by SEM and Raman spectra, and the microwave
Dec 30, 2020Carbon foam is usually used as catalyst carriers, battery electrode materials, microwave absorbing materials, and so on. Carbon foam preparation methods include organic polymer pyrolysis, foaming, solgel, Pocofoam, and template methods. The thermal carbonization method is similar to the pyrolysis of organic matters [28, 29].(plate) Preparation of carbon microcoils by catalytic carbon coatings on carbon micro coils by pyrolysis of(steel) Aug 01, 2005Abstract. Carbon microcoils (CMCs) were prepared by catalytic pyrolysis of acetylene containing a small amount of thiophene as a promoter at 9731073 K using nickel foam catalyst which was also used as a substrate, with the CMC yield of about 62% relative to the introduced carbon source. The morphology of the product was observed by scanning electron
Carbon micro-coils were coated with pyrolytic carbon films by the decomposition of methane in an argon atmosphere, and the coating conditions and some of their properties were examined.(plate) Pyrolytic carbon coated black silicon Scientific Reports(steel) May 13, 2016Carbon is the most well-known black material in the history of man. Throughout the centuries, carbon has been used as a black material for
Sep 25, 2015Carbon-based MEMS/NEMS technology combines different polymer fabrication techniques along with pyrolysis or a thermal degradation process to derive glass-like carbon structures .The typical process for fabricating carbon-microelectromechanical system (C-MEMS) structures is shown in figure 1.The feature dimensions of the carbon structures range from (plate) Some results are removed in response to a notice of local law requirement. For more information, please see here.
Carbon micro-coils were coated with pyrolytic carbon films by the decomposition of methane in an argon atmosphere, and the coating conditions and some of their properties were examined.(plate)Carbon micro-coils were coated with pyrolytic carbon films by the decomposition of methanein an argon atmosphere,and the coating conditions and some of their properties were examined.Author: Xiuqin Chen, Seiji Motojima, Hiroshi IwanagaCited by: 74Publish Year: 1999Carbon coatings on carbon micro-coils by pyrolysis of carbon coatings on carbon micro coils by pyrolysis of(steel) Was this helpful?People also askHow big can pyrolysis of polymeric microlattices be?How big can pyrolysis of polymeric microlattices be?Here, we demonstrate that pyrolysis of polymeric microlattices can overcome these limitations and create ultra-strong glassy carbon nanolattices with single struts shorter than 1m and diameters as small as 200nm.Approaching theoretical strength in glassy carbon carbon coatings on carbon micro coils by pyrolysis of
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