Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
In the past, solvents containing impregnation systems were in vogue, e.g. phenoloic‐alkyd, isophthalic polyester, silicone, etc. for electrical machines. The disadvantages of solvent borne impregnants are a higher dissipation factor (at elevated temperatures) and water absorption, etc., due to the presence of air void…
Among the most extensively used chemicals in the paper industry are wet strength resins. They enhance the performance of paper products ranging from tissue to board. Environmental concerns are questioning the use of several of these additives and a strong effort is being made to replace these chemicals with benign one…
National audience
The pitting corrosion of copper in cold water containing inhibitors composed of nitrilotris methylene triphosphonic acid (ATMP), benzotriazole (BTA) and zinc sulfate (ZnSO4) has been studied using immersion tests and electrochemical measurements. The results obtained are summarized as follows: 1) Pitting corrosion was…
Changing the timing of fluoride ion addition, passivation behavior at constant potentials and anodic polarization one for SUS 304 stainless steel were investigated in sodium sulfate aqueous solutions of pH 2-13, along with ICP analysis of solutions and XPS one of passive film. No pitting corrosion occurred for SUS 304…
In order to confirm the general applicability of the previously proposed GI (General Corrosion Resistance Index) value1), influence of temperature upon the corrosion rates of three series of stainless steels (Fe-Cr, Fe-Cr-Ni, Fe-Cr-Ni-Mo alloys) in 10.2mol·kg-1 H2SO4 aqueous solution was studied. Though measured parti…
Alumina ceramics containing various amounts of TiO2 were fabricated by sintering in humid reducing atmospheres and also in air. The sintered samples were treated at various temperatures in reducing atmospheres. The electrical resistivity measurments and microstructural observation were conducted on the obtained sample…
A single crystal of Nd:KYF4 is grown by top- seeded solution growth. Absorption and fluorescence spectra reveal multiple Nd sites in the material.
The deformation of equivalent size and shape glass, asbestos and Kevlar∗aramid fibrils, when subjected to bending or longitudinal compressive loads, was estimated based on published mechanical properly data and established mechanical analysis. Based on this analysis, Kevlar fibrils are expected to deform more easily t…
The insulating capability of a typical Fiberglas insulation slab exposed to different types of environment on each side of the slab was evaluated, based on theory that takes into account heat conduction, natural convection, phase changes, and gas infiltration. The results are analyzed and combined with recent theoreti…
Abstract This article discusses the susceptibility of carbon steels to hydrogen-induced cracking, solidification cracking, lamellar tearing, weld metal porosity, and heat-affected zone (HAZ) mechanical property variations. The composition and mechanical properties of selected carbon steels used in arc welding applicat…
The pitting corrosion of copper in cold water containing inhibitors composed of amino trimethylene phosphonic acid (ATMP), benzotriazole (BTA) and zinc sulfate (ZnSO4) has been studied by the immersion test and electrochemical measurements. The results obtained are summarized as follows: 1) the pitting corrosion of co…
Yuhuan Xu. North-Holland, Amsterdam, London, New York, Tokyo. 1991. xiv + 391 pp., 177 Figures, 50 Tables. US $171.50, Dfl. 300.00, ISBN 0-444-883 54-1.”
Volcanic ash soils occur widely on South Kanto district. The surface soil has black color and high humus content. The parent material is derived from Holocene volcanic ash. There are some buried humic horizons resulted from a succession of volcanic ash accumulation and plant residue supply leading to the accumulation…
An overview of the most current information on several different constructions and materials that help combat water treeing is presented. After a brief description of the treeing phenomenon, the author covers accelerated cable life testing, noting the various compounds normally used as the insulation for the medium vo…
Two-dimensional detectors utilized in x-ray diffraction studies are described. Film, image intensifier/CCD camera, two-dimensional position-sensitive area, and photostimulable storage phosphor detectors are compared. The storage phosphor detector was found to be well suited for analysis of oriented semicrystalline pol…
Epitaxial Nb and Nb Ti Nb films on sapphire substrates were prepared by e beam evaporation and sealed with thin Pd or Au layers to avoid oxidation. Hydrogen charging was performed from the gas phase and the concentration in the films was measured by the N 15 nuclear reaction method. For the single Nb layer the hydroge…
Article Crystal structure of (tetrahydrothiophene)-trichlorogold(III), C4H8AuCl3S was published on January 1, 1993 in the journal Zeitschrift für Kristallographie - Crystalline Materials (volume 208, issue 1).
Norton/TRW Ceramics (NTC) is developing ceramic components as part of the DOE-sponsored Advanced Turbine Technology Applications Project (ATTAP). NTC’s work is directed at developing manufacturing technologies for rotors, stators, vane-seat platforms, and scrolls. The first three components are being produced from a H…
Infrared spectra of pthtalic anhydride and phthalic anhydride-18O have been measured in the solide state and in solutions in the 4000 – 100 cm−1 frequency region. Their linear dichroic infrared spectra in oriented nematic solutions in the nematic liquid cristal ZLI-1538 (4000 – 400 cm−1) have also been recorded and st…