Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTFlammability properties of acrylonitrile and acetonitrileSilvio De Micheli and Vittorio TartariCite this: J. Chem. Eng. Data 1982, 27, 3, 273–275Publication Date (Print):July 1, 1982Publication History Published online1 May 2002Published inissue 1 July 1982https://pubs.acs.o…
The sudden change of moisture and/or temperature on a solid can significantly disturb the resulting stresses and strains and cause material damage. This investigation is concerned with the sudden rise (or drop) of temperature over a finite segment of a half-space that is free of tractions. The mutual dependence of moi…
Infrared and Raman spectroscopy were used to study the oxidation of Fe3O4 on surfaces of weathering steel, carbon steel, and pure iron. Two sets of samples were polished and coated with an Fe3O4 paste. One set was moistened daily with distilled water and allowed to freely dry in air. The second set was treated in a si…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCrystallization of the extended conformation from the bulk in solvent-exposed films of isotactic polystyrenePudupadi R. Sundararajan and Nancy TyrerCite this: Macromolecules 1982, 15, 4, 1004–1012Publication Date (Print):July 1, 1982Publication History Published online1 May…
During the past decade a new class of magnetic materials, amorphous metals, have been under development. This material offers the potential of reducing the core losses of motors and transformers by more than 70%. Thus, the incentive is tremendous to develop cost-competitive motors and transformers utilizing amorphous…
The frequencies of A 2u phonons of the layer compounds ZrS 2 and HfS 2 are determined from two phonon resonant Raman scattering. The analysis based on the polarizable ion model by van der Valk and Haas suggests that the long-range Coulomb interaction plays an important role in the anisotropy of lattice dynamics. The A…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSolubility of carbon dioxide in propylene carbonate at elevated pressures and higher than ambient temperaturesPhillip D. Mantor, Osmar Abib Jr., Kyoo Y. Song, and Riki KobayashiCite this: J. Chem. Eng. Data 1982, 27, 3, 243–245Publication Date (Print):July 1, 1982Publication…
Abstract Mixed crystals of polyethylene (PEH) and various‐molecular‐weight perdeuterated polyethylenes (PEDs) have been prepared at 80°C and their infrared spectra compared with those of samples grown at 55°C. Concentrations of 80 PEH/1 PED were required in the former case to eliminate segregation effects whereas 40 P…
This paper describes investigations on the following radiation dosimetric characteristics of Li2B4O7:Cu TLD phosphor: (i) batch to batch variation in TL sensitivity, (ii) spurious luminescence effects, (iii) effects of storage at ambient temperature and humidity, and of pre-irradiation annealing temperature on the TL…
A method was developed for microscopical analysis of oily soils on fiber surfaces and in the fiber structure. Triolein, an unsaturated triglyceride which is a dominant consituent of human sebum, was applied to cotton and polyester/cotton fabrics with durable press finishes. Osmium tetroxide was used to label the triol…
Abstract Viscosity is an important process variable that should be monitored and controlled to ensure the consistent and reliable production of graphite‐fiber‐reinforced composite parts by the autoclave/vacuum bag process. Unfortunately, no technique is currently known for the direct measurement of viscosity in this p…
Structural work on the three modifications of sodium hydroxide is reviewed. The monoclinic and cubic modifications were determined with neutron and X-ray diffraction, respectively. The phase-transition temperatures were determined by specific-heat measurements. The cubic to monoclinic transition is a first-order trans…
Abstract A mathematical model has been developed for the direct, continuous esterification process. Influence of process and operational variables, including temperature distribution, residence time distribution, bis(hydroxyethyl)terephthalate recycle, pressure, and ethylene glycol (EG) to terephthalic acid ratio on t…
Celanese PBI is a derivatized polybenzimidazole fiber possessing a unique balance of properties that permit it to meet critical cost/performance criteria in demanding environments. The fiber, a modification of previously documented earlier versions, has excellent textile, tactile, thermal, and chemical resistance prop…
Abstract A wide variety of inorganic fillers are produced for the rubber industry. The most important are the clays, precipitated silicas and silicates, and the ground and precipitated calcium carbonates. The silicas and silicates provide the broadest particle size range falling into the carbon black range from FEF (N…
A technique, Photon Activation Therapy (PAT), is described in which high Linear Energy Transfer (LET) radiations in the form of Auger electron distributions are generated by a photon beam through photoactivation of stable iodine incorporated as an analog of thymidine (Tyd) in DNA. Of the several halogenated deoxyribon…
Abstract The postcondensation of nylon 6 in the solid state was studied. The reactions were carried out on fine powder in a fluidized bed reactor in a stream of dry nitrogen in the temperature range 110–205°C and during 1–24 h. The solid‐state polymerization (SSP) did not follow melt kinetics, but was found to be limi…
Results are presented on the discovery of plasma bubble domains (PBD’s), which occur as regular patterns of localized glow discharges formed under ac excitation in an atmospheric pressure inert gas based mixture confined between large-area, closely spaced, plane-parallel, dielectric-covered electrodes. These plasma bu…
The fully enclosed nature of gas- insulated substations substantially increases the difficulty of testing, maintaining, and troubleshooting the switchgear. Under EPRI sponsorship, Ontario Hydro has developed systems for fault location in gas cables and partial discharge location for cables and substations.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTS to O and O to S linkage isomerization in sulfoxide complexes of pentaamminerutheniumA. Yeh, N. Scott, and H. TaubeCite this: Inorg. Chem. 1982, 21, 7, 2542–2545Publication Date (Print):July 1, 1982Publication History Published online1 May 2002Published inissue 1 July 1982h…