Temperature dependence of viscosity and dielectric relaxation time in simple polar liquids
S. Mallikarjun and N. E. Hill, Trans. Faraday Soc., 1965, 61, 1389 DOI: 10.1039/TF9656101389
Materials Literature
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A study of interstitial liquid flow in foam. Part II. Experimental verification and observations
Abstract Experimental results obtained over a wide range of variables from three different foam fractionation columns support the theory developed in Part I.
The Preparation and Characterization of Compounds Containing both Hexabromorhenate(IV) and the Trirhenium Non abromide Group
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Preparation and Characterization of Compounds Containing both Hexabromorhenate(IV) and the Trirhenium Non abromide GroupF. A. Cotton and S. J. LippardCite this: Inorg. Chem. 1965, 4, 1, 59–65Publication Date (Print):January 1, 1965Publication History Published online1 Ma…
Kinetics of the heterogeneous decomposition of iron pentacarbonyl
Abstract The decomposition of iron pentacarbonyl at pressures between one and 400 Torr was studied from 120° to 300°C. Up to about 200°C. the rate was primarily limited by surface kinetics of adsorbed carbonyl. Gas phase diffusional resistances were controlling at higher temperatures. In the kinetically controlled reg…
Structural Changes in MgMn2O4 at High Temperatures
Abstract The distribution of cations in MgMn 2 O 4 is studied between 25 and 1000 °C by X‐ray diffraction. The values of the c/a ratio agree with the observed repartition of the cations. From the inversion of the distribution at high temperature the activation energy of the ionic migration is inferred: θ = 8100‐−18400…
Structure des Oxydes de Niobium: Transformation de Structure du Nb2O5-γ en Nb2O5-α et la Formation du NbO2
The formation of several intermediate oxides of niobium, produced in the course of transformation γ-Nb 2 O 5 → α-Nb 2 O 5 and the reaction Nb 2 O 5 +Nb→ NbO 2 , has been studied by X-ray diffraction. The structure transformation γ→α is accomplished by a passage through two intermediate stages, γ' and β. The γ' form is…
Relation Between Anodic Dissolution And Resistance to Pitting Corrosion
The relationship between dissolution kinetics and resistance to pitting corrosion has been investigated using electrochemical measurements. It is shown that the ratio of dissolution rates in the presence and absence of chloride ion is inversely related to pitting resistance. The above concepts have been used to predic…
Some Properties of GeTe-PbTe Alloys
Solid solution between and of stoichiometric composition has been studied. It is found that for samples annealed at 600°C for periods of up to four weeks and then air quenched, single phase condition can be obtained at all alloy compositions, and the lattice shows a continuous transition from cubic to rhombohedral for…
The Raman spectrum of calcium fluoride
The first- and second-order Raman spectra of calcium fluoride have been measured. With the crystal at room temperature the structure observed is in good agreement with earlier measurements of infra-red absorption and vibronic satellites. Some additional structure observed in the second-order Raman spectrum is ascribed…
Diffusion Coefficients and Anion Vacancy Concentrations for the Zirconium-Zirconium Dioxide System
Experiments have been carried out at 386°C to determine the concentration of anion vacancies at the metal‐oxide interface and the diffusion coefficients for anion vacancies in zirconium dioxide films on zirconium by the "interruption kinetic technique." The conditions for which this technique is valid are discussed. T…
Kinetics of vapour phase hydration of magnesium oxide. Part 2.—Dependence on temperature and water vapour pressure
R. J. Bratton and G. W. Brindley, Trans. Faraday Soc., 1965, 61, 1017 DOI: 10.1039/TF9656101017
Electrocrystallization of thin films of nickel
M. Fleischmann, J. A. Harrison and H. R. Thirsk, Trans. Faraday Soc., 1965, 61, 2742 DOI: 10.1039/TF9656102742
Mechanism of secondary crystallization of polymethylene
The single crystal model previously proposed for the primary crystallization of polymethylene (Gordon and Hillier 1964) is extended to the secondary or post-Avrami process. An equation by Eyring, which generalizes Maxwell's treatment for the relaxation of matter, is shown to fit this process, which can be kinetically…
Magnetic and X-Ray Studies of Iron-Germanium System I Partial Diagram of Phase with B82 and Its Variant Type of Structure
The earlier diagram of β phase region is revised on the basis of x-ray and magnetic studies, and the existence of three phases β, η, κ is confirmed. The new β phase is homogeneous in a range from 32.8 to 40.0 at% Ge at 1050°C, η phase from 40.8 to 43.5 at% Ge at 800°C and κ phase has a narrow range of homogeneity at 4…
208. The structure of alginic acid. Part V. Isolation and unambiguous characterization of some hydrolysis products of the methylated polysaccharide
E. Hirst and D. A. Rees, J. Chem. Soc., 1965, 1182 DOI: 10.1039/JR9650001182
Analysis of Enhanced Diffusivity in Nickel
The coefficient of self-diffusion in annealed and prestrained nickel single crystals, Du, determined in the temperature range 948° to 1023°K by radioactive counting of the surface is Du=1.9 exp(−66 800/RT) cm2sec−1. The coefficient of self-diffusion in annealed and prestrained fine-grained nickel crystals, Du′, in the…
Glass Transition Temperature of Polymers
The effect of low concentrations of plasticizer, chain ends, or comonomer on the glass transition temperature of a polymer can be described by a linear equation with respect to the weight fraction. Over the entire range of composition, these effects can be described approximately by a quadratic equation. The interrela…
Crack-Velocity Considerations
If resistance to crack growth always increased with crack velocity, then its measure at nil velocity, Gc or GIc, would always represent minimum toughness and thus a safe criterion. The practical difficulty arises if an increased crack speed, or loading rate of a fixed crack, results first in a decrease in R, possibly…
Electron impact spectroscopy III. Calculated cross sections for inelastic scattering from benzene
The Born approximation is used to obtain differential and total cross sections for inelastic electron scattering from benzene. The three lowest excited singlet states are treated (i.e. those of symmetry 1 B 1u , 1 B 2u and 1 E 1u ). Simple π-electron antisymmetric molecular orbitals are used as the electronic wave fun…
Surface composition of sodium lauryl sulphonate and sulphate solutions by foaming and surface tension
J. E. Bujake and E. D. Goddard, Trans. Faraday Soc., 1965, 61, 190 DOI: 10.1039/TF9656100190