Materials Literature
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The present investigation focuses on the research of the nonlinear vibration of a cantilevered FGMs rectangular plate subjected to the transversal excitation. Materials properties of the constituents are graded in the thickness direction according to a power law distribution and are assumed to be temperature‐dependent…
We present a relatively simple method for analyzing H content on surfaces of selected commercially available polymers, i.e. polyethylene, polypropylene, polystyrene, and poly(methylphenylsilylene). The applied method, i.e. the Elastic Peak Electron Spectroscopy (EPES), is based on quasi‐elastic scattering of primary b…
The interaction of the fast particles from the hot plasma of a magnetic confinement fusion experiment with the first wall is one of the most challenging problems toward the realization of a fusion power plant. The erosion of the first wall by the fast particles leads to life time limitations and the radiative cooling…
In molecular crystals like MePTCDI and PTCDA the molecule are regularly arranged creating quasi‐one‐dimensional molecular stacks. In this paper, we make simulations of the linear absorption spectra of the abovementioned crystals. The basic Hamiltonian describes the FE—CTEs mixing in the molecular stack (point group Ci…
Martensitic transformations are displacive in nature and occur in the solid state in a wide variety of metallic and non metallic materials. Although the occurrence of martensitic transformations in inorganic and ceramic compounds has been well recognized for many years, it is only in the last decade that they have ach…
Une approche polyphasique a été utilisée pour étudier la flore cultivable anaérobie associée aux phénomènes de corrosion induite par les microorganismes (CIM). Parmi cette flore, les bactéries sulfato-réductrices (BSR) et les bactéries thiosulfato-réductrices (BTR) sont décrites comme étant particulièrement agressives…
A new procedure was suggested for preparing polymeric organosilanes and silanosiloxanes without using a dispersion of an alkali metal in an organic solvent. The procedure allows preparation of linear organopolysilanes —(R2Si) n —, whereas reactions of methyl-, phenyl-, and n-hexyltrichlorosilanes with Na/NaCl yield si…
Electromagnetic response of planar metallic nanorod dimers is determined analytically and numerically. Asymmetric dimers are shown to act as “atoms” in planar chiral metamaterials. Relations between the dimer’s geometry and its chiral properties are established.
The early diagnosis of cancer, that is, prior to the visibility of anatomic anomalies, has been universally accepted to be essential for the success of cancer treatment. However, it remains challenging to detect tumors at a very early stage. For instance, traditional medical imaging may require more than a million cel…
We applied Hydrogenation-Disproportionation-Desorption-Recombination (HDDR) treatment on compacts of fine powder of Nd-Fe-B-based alloys to obtain porous, submicron-grained bulk permanent magnets. The crystallographic orientation of the Nd2Fe14B particles was maintained in the porous magnets, which could be further de…
The complexation reactions of dicyano monoalkyl tetraaza macrocycle 3b with lithium salts (Li + X -) and the properties of resulting macrocycle 3b-Li + X -complexes were examined in detail by means of 1 H-NMR spectroscopy, because unsymmetrical macrocycle 3b has exhibited intriguing features, such as high selectivity…
高齢者で咀嚼しにくいたくあんを試料として，皮の加工のもたらす力学特性，および咀嚼負担の変化を機器測定と咀嚼筋筋電位計測により検討した．機器による測定から，破断強度は各々の試料間で有意な差が認められ，皮切れ目で最も小さな値を示した．咀嚼筋筋電位計測の結果からは，若年者と高齢者の咀嚼の特徴の違いをみることができ，高齢者は，筋電位振幅，筋活動量の低さを咀嚼回数，咀嚼時間を増やして対応していると考えられた．加工方法の違いによる咀嚼負担の相違については，無加工のものと比較して皮無しで，咀嚼回数，咀嚼時間，筋活動時間，筋活動量が有意に小さな値を示し，今回の試料の中で最も咀嚼負担の少ない加工方法であると考えられた．皮に切れ目を入れたものも，無加…
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 Chia‐Hsin Wang, Yaw‐Wen Yang, Liang‐Jen Fan, Jing‐Wen Su, Sheng‐Wen Chan, Ming‐Chou Chen; Develop…
Fullerene (C60)-based n-channel field effect transistors (FETs) have been fabricated on various polymeric gate insulators as an alternative to conventional oxide gate insulators. The field effect mobility was improved to higher than 0.1cm2/Vs using proper gate insulator and by the heat-treatment in a vacuum, which was…
La mesure de la quantité de biofilm a pris une part importante dans l’étude des réseaux et des matériaux en contact avec l’eau. En effet, cette structure biologique peut présenter des inconvénients en protégeant une flore bactérienne potentiellement dangereuse et en consommant les biocides. La mesure du biofilm par AT…
The objective of this study is to investigate the interface reaction and diffusion bonding between 316L stainless steel and sialon. Bonding was carried out in a hot press at 1250° C under the pressure of 15 MN/m2 for 1 hour and was cooled slowly in the furnace to prevent the mismatch between the sialon and the steel.…
The magnetic and surface plasmon resonances in isotropic fishnet metamaterials with left-handed band in terahertz regime were studied experimentally and by simulation. An LC-circuit model has been adapted to describe the magnetic resonance as a function of the device geometry.
Production process of high porosity closed cell type metal foam is developed using a hydrogel binder. Using this process, the stainless steel foam is produced with its porosity more than 98 %. However, we need to use fine metal powder to produce high porosity metal foam, and as the result, the production cost of the f…
We have systematically studied the effect of Mn substitution in Ni, Ga and both (Ni, Ga) sites on structural, magnetic and transformation behavior of Ni‐Mn‐Ga Ferromagneti Shape Memory Alloy (FSMA). We find that the substitution of Mn on Ni site decreases the transformation temperatures and the substitution of Mn on G…
New single-polymer electroluminescent system containing three individual emission species of polyfluorenes as a blue host, 2,1,3-benzothiadiazole unit as a green dopant and phenylene derivative unit as a red dopant on the main chain were synthesized and characterized. All polymerizations were carried out by palladium(…