Materials Literature
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With reference to some comments recently made by the well known and informed author A. VIRELLA BLODA in a wide and detailed report on the Congress referred to, published in the Technical Review CEMENTO-HORMIGON, concerning the Round Table of Theme IV: POZZOLANAS AND FLY-ASHES and particularly to a paper presented unde…
In this work, the first of another new series, a study is made on the influence brought by adding different quantities of a groundgranulate slag to a high initial resistance industrial portland cement (cement 1 < > P-550-ARI) in its chemical-strength behaviour against the action of a gypsum saturated solution, determi…
Evans (1971) has reported that voids produced by irradiation could form into three-dimensional arrays. Since then void lattices have been observed in a number of metals, for example, Mo, W, Nb, Ta, Al and Ni. In all these metals the pattern of ordering shows many similarities. A number of theories have been proposed t…
The classical Rayleigh-Plesset equation of spherical bubble dynamics in an incompressible liquid is generalized to include the non-Newtonian behavior of the liquid and mass exchange processes at the bubble interface.
A detailed kinetic study of corrosion reactions of iron In HCl, H2SO4, and H3PO4 is made by a modified version of the gasometric technique. Reaction rates are measured at different temperatures. Curves drawn for reaction rates led to the development of a new kinetic expression, viz, rate = A eBC e−E/RT, where C is the…
The microstructural features of isothermally aged and step aged and isothermally aged Sm(Co, Cu ,Fe, Zr)7.4 alloys are examined using electron microscopy and x-ray microanalysis. The microstructure is seen to consist of a cellular morphology with twinned rhombohedral 2:17 phase cell interiors, 1:5 phase cell boundarie…
ABSTRACT Chitin (poly‐β (1⇒4)‐N‐acetyl‐D‐glucosamine), chitosan (deacetylated chitin) and microcrystalline chitin (redispersible chitin powder) were compared with microcrystalline cellulose to examine the use of those cellulose‐like biopolymers as functional additives for potential application in food formulations. Wa…
ADVERTISEMENT RETURN TO ISSUEPREVArticleCoordination Compounds of Porphyrins and PhthalocyaninesKevin SmithCite this: Organometallics 1982, 1, 3, 570Publication Date (Print):March 1, 1982Publication History Published online7 January 2004Published inissue 1 March 1982https://pubs.acs.org/doi/10.1021/om00063a904https://…
The corrosion of the pure metals aluminium, cobalt, copper, chromium, molybdenum, nickel, and titanium and of a cobalt-chromium molybdenum casting alloy has been studied in buffered saline with and without the presence of the proteins serum albumin and fibrinogen. The corrosion of aluminium and titanium was unaffected…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTransients of monolithic catalytic converters. Response to step changes in feedstream temperature as related to controlling automobile emissionsSe H. Oh and James C. CavendishCite this: Ind. Eng. Chem. Prod. Res. Dev. 1982, 21, 1, 29–37Publication Date (Print):March 1, 1982P…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOn the rotation-inversion controversy on photoisomerization of azobenzenes. Experimental proof of inversionHermann Rau and Erik LueddeckeCite this: J. Am. Chem. Soc. 1982, 104, 6, 1616–1620Publication Date (Print):March 1, 1982Publication History Published online1 May 2002Pu…
Abstract This work reviews the literature published over the last ten years on polymer mechanical properties as a function of molecular weight and molecular weight distribution, Thermal properties, stress‐strain properties, impact, fracture, fatigue, creep, stress relaxation and cracking and crazing are examined for a…
Heretofore unpublished enthalpy data which were used in the derivation of smooth enthalpy and heat-.capacity data for NBS SRM 720 (a-A1, 2 0, heat capacity and enthalpy standard) are presented along with some details of the high-temperature experiments. Recent NBS low-temperature measurements on SRM 720 are smoothed b…
Göran Grimvall 1981 Amsterdam: North–Holland xiv + 304 pp price Dfl125 This book is a very concise account of the electron–phonon interaction, guiding the reader through a wide range of formulae and results. The author starts off with the origin of electron–phonon scattering, discusses ways of calculating the interact…
An analysis is made of the thermoelastic action of high-power pulse-periodic laser radiation on the surface of a solid. The analysis is made using relationships, similar to Duhamel integrals, between the characteristics of the thermally stressed state on exposure to cw and arbitrarily time-varying laser radiation. Cal…
Results obtained during 1960–1979 on the effect of the size of a saturated or partly hydrogenated carbo- or hetero-cycle on the physicochemical (spectral, polarographic, ionisation) and chemical properties of cyclic compounds are summarised. Attention is paid mainly to the usual (C5–C7) cyclic systems. Results are int…
Near-normal-incidence reflectivity measurements have been made over the energy range 0.5 to 5 eV at room temperature and 77K for the following layered materials: TiS2, TiSe2, ZrS2, HfSe2 and HfTe2. Both freshly cleaved basal planes (E perpendicular to c; k//c) and as-grown edge planes (E perpendicular to c, E//c; k pe…
A new ceramic, nitrogen-stabilized aluminum oxide spinel (ALON), has been developed at AMMRC which may have distinct advantages over sintered polycrystalline a-A1<sub>2</sub>0<sub>3</sub>. This material is isotropic and has been fabricated into dense, transparent bodies with the following properties: Knoop (100) hardn…