Materials Literature
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We have succeeded in development of two type nano-composite enameled wires in 2000. One is the inverter surge resistant enameled wire using polyester-imide/silica nano-composite material prepared by original sol solution mixture method, and the other is the super heat resistant enameled wire using polyimide/silica nan…
It is needed for flexible transparent substrate to have not only the flexibility but also the ability of the material barrier as same as glass material. We paid attention to the nanocomposite barrier technology as a technique for making both its flexibility and the barrier property that are opposed to each other. This…
A theoretical density functional study of the magneto-structural correlations in a series of the cyano-bridged CrnNim systems is presented. Two approaches with several LDA and GGA functionals gave the result that the ferromagnetic coupling interactions between the nearest-neighbors CrNi weaken with the increase of the…
In order to apply the organic liquid hydrides as hydrogen storage and mobile media, continuous hydrogen production from decalin under mild temperature conditions (210–280°C) was attempted by the use of carbon-supported platinum fine particles as a catalyst. Efficient hydrogen evolution from decalin was achieved under…
PZT piezoelectric thin films can be promising candidates for microactuators or microsensors in MEMS (Micro Electro Mechanical Systems) or NEMS (Nano Electro Mechanical Systems) because of the quick response. In this research, the RF magnetron sputtering method is used for PZT thin films deposition. The sputtering cond…
The purpose of this work is to highlight behaviour of RTP crystal in Electro-Optic configuration. We will review main features of interest such as extinction ratio, voltage applied, lifetime and damage threshold.
Research Article| January 01, 2006 Neutron Powder Diffraction Studies of Order-Disorder Phase Transitions and Kinetics Simon A. T. Redfern Simon A. T. Redfern Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom, e-mail: satr@cam.ac.uk Search for other works by this…
This paper studies spinodal decomposition in the Cahn-Hilliard model on the unit disk. It has previously been shown that starting at initial conditions near a homogeneous equilibrium on a rectangular domain, solutions to the linearized and the nonlinear Cahn-Hilliard equation behave indistinguishably up to large dista…
We report the synthesis and liquid crystalline properties of novel ester‐substituted tetraphenylenes obtained from octamethoxytetraphenylene by demethylation and esterification. The target compounds display focal‐conic textures typical for columnar mesophases, which are either rectangular or hexagonal columnar in natu…
It has been found that small additions (∼0.1 vol%) of chromium hexacarbonyl and molybdenum hexacarbonyl promote the combustion of a stoichiometric mixture of H2 + O2, resulting in a lowering of the lower limit of initiated ignition and an increase of the visible velocity of flame propagation; as this takes place, inhi…
The aim of the present investigation was to immobilize zinc phthalocyanines in a silicate matrix and to test the photobactericidal properties of the matrices so prepared toward Esherichia coli in model aqueous media. For the purpose, tetra tertiary butyl zinc phthalocyanine (TBZnPc) and zinc phthalocyanine tetrasulfon…
Abstract Two quasi‐one‐dimensional compounds [Ln III (terpy)(DMF) 4 ][W V (CN) 8 ] · 6H 2 O, where Ln stands for Gd or Sm, were synthesized and the measurements of their magnetic features were carried out. Magnetization was measured at 2K in the field range 0–5 T. To extract physical information from the experimental…
木質材料に使われる主な接着剤5種類〔ユリア樹脂接着剤（UF），メラミン・ユリア共縮合樹脂接着剤（MUF），フェノール樹脂接着剤（PF），レゾルシノール樹脂接着剤（PRF），水性高分子イソシアネート系接着剤（API）〕のインベントリ分析を行った。接着剤 1 kgの製造に必要な資源の調達から原料の製造と輸送，接着剤製造までのエネルギー消費量，CO2 排出量，NOx排出量，SOx排出量を算出した。その結果，MUFとPRFは共にエネルギー消費量とSOx排出量が最も多く，UFのそれらは両者の57～67％と最も少なくなることが分かった。APIとPFは両者の中間的な値となった。APIのCO2 とNOxの排出量は，最も少ないUFの6倍以上と，顕著…
Pure iron exposed to acetate buffer showed both metal dissolution and hydrogen evolution inside the crevice region. Potential drop occurred inside the crevice led to both active dissolution and cathodic reactions. Hydrogen ingress into the specimen was monitored on the rear side using electrochemical hydrogen permeati…
An analysis of the experience in application of the KORSAR computer code in the Gidropress Special Design Bureau over the last three years is given. The results of improvement of the code with an account of increased requirements imposed on the design calculations are considered. Concrete examples of numerical simulat…
Johnson‐Holmquist constitutive model for brittle materials, coupled with a crack softening model, is used to describe the deviatoric and tensile crack propagation beneath impact crater in granite. Model constants are determined either directly from static uniaxial strain loading experiments, or indirectly from numeric…
G. I. Taylor showed that dynamic material properties could be deduced from the impact of a projectile against a rigid boundary. The Taylor anvil test became very useful with the advent of numerical simulations and has been used to infer and/or to validate material constitutive constants. A new experimental facility ha…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Richard H. Bossi; NDE Developments for Composite Structures. AIP Conf. Proc. 6 March 2006; 820 (1…
We performed broadband dielectric measurements for pure 1‐propanol (PrOH) and 80 wt% PrOH‐water mixture in the temperature range of 78 K and 300 K and frequency range of 1 μHz and 30 GHz. For pure PrOH, Debye‐type primary process and two small processes at higher frequency than the primary loss peak are observed in wh…
Silver nanowires with high aspect ratios of up to more than 60 were synthesized on a large scale by the redox reaction between silver nitrate and sodium diphenylamine sulfonate at room temperature and in the absence of surfactant and hard-template and seed. When the molar ratio of reductant sodium diphenylamine sulfon…