An Introduction to Metallic Corrosion
"An Introduction to Metallic Corrosion." British Corrosion Journal, 16(4), p. 186
Materials Literature
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Forces due to structure in a thin liquid crystal film
\n\t\t\t\t\tMeasurements of the force as a function of distance between two solids separated by a liquid crystal film give information on the structure of the film. We report such measurements for two molecularly smooth surfaces of mica separated by the nematic liquid crystal 4'-n-pentyl 4-cyanobiphenyl (5CB) in both…
Redox properties of metalloporphyrin excited states, lifetimes, and related properties of a series of para-substituted tetraphenylporphine carbonyl complexes of ruthenium(II)
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRedox properties of metalloporphyrin excited states, lifetimes, and related properties of a series of para-substituted tetraphenylporphine carbonyl complexes of ruthenium(II)D. P. Rillema, J. K. Nagle, L. F. Barringer Jr., and T. J. MeyerCite this: J. Am. Chem. Soc. 1981, 10…
High Oxygen Ion Conduction in Sintered Oxides of the Bi2 O 3 ‐ Dy2 O 3 System
The phase diagram of the Bi 2 O 3 ‐ Dy 2 O 3 system was investigated. A monophasic fcc structure was stabilized for samples containing 28.5 – 50.0 mole percent ( m / o ) Dy 2 O 3 . Above and below this concentration range polyphasic regions appear. The fcc phase showed high oxygen ion conduction. The ionic transferenc…
Thermal Analysis of Lignocellulosic Materials
Thermal analysis has recently become prominent, particularly in applications to fibers, plastics, and other synthetic polymeric materials. Thermal analysis may be defined as a set of techniques used to describe the physical or chemical changes associated with substances as a function of temperature [1]. Thermograms ha…
Tumor remission in Yoshida sarcoma-bearing rts by selective targeting of magnetic albumin microspheres containing doxorubicin.
Magnetically responsive albumin microspheres containing doxorubicin and magnetite (Fe3O4) were selectively targeted to Yoshida sarcoma tumors in rats by utilizing an extracorporeal magnet. Tumor cells were inoculated subcutaneously in the tail of rats, and the tumors were allowed to grow to an average size of 9 X 45 m…
Spin-crossover ferric complexes: unusual effects of grinding and doping solids
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpin-crossover ferric complexes: unusual effects of grinding and doping solidsMuin S. Haddad, Wayne D. Federer, Michael W. Lynch, and David N. HendricksonCite this: Inorg. Chem. 1981, 20, 1, 131–139Publication Date (Print):January 1, 1981Publication History Published online1…
Controlled Transient Solid Second‐Phase Sintering of Yttria
Compositions of La 2 O 3 ‐Y 2 O 3 were sintered to full density by a process which uses a controlled transient solid phase to retard grain growth sufficiently that pores remain on grain boundaries and are eliminated by solid‐state diffusion. The temperature is then decreased into a single‐phase region and the structur…
Brownian Motion of Small Particles Suspended in Liquids
The field of fluid mechanics is rapidly advancing, driven by unprecedented volumes of data from experiments, field measurements, and large-scale simulations at multiple spatiotemporal scales. Machine learning (ML) offers a wealth of techniques to extract ...Read More
Kinetics of crystallization of igneous rocks
The geochemistry of igneous rocks is discussed, with the primary objectives of bringing together the theories underlying the kinetics of crystallization of igneous rocks and illustrating the use of these theories in understanding experimental and observational data. The primary purpose of the chapter is to introduce c…
Electronic structure of metallic glasses
This paper is organized in six sections and deals with (1) the glassy transition metal alloys, their d-band structure, the d-band shifts on alloying and their relation to the alloy heat of formation (..delta..H) and the glass forming ability, (2) the glass to crystal phase transition viewed by valence band spectroscop…
Luminescence of porphyrins and metalloporphyrins. Part 3.—Heavy-atom effects
The fluorescence quantum yields and lifetimes for a series of metal tetraphenylporphyrins were found to decrease with increasing spin–orbital coupling constant of the central metal ion. The triplet states gave similar effects at both 77 and 293 K, as shown by luminescence and flash photolysis studies. In particular, t…
Smectic, cholesteric, and Rayleigh-Benard order in two dimensions
Order in layered smectic and cholesteric liquid-crystal films is investigated. Although long-wavelength fluctuations in the layer displacements destroy translational order at any finite tem-perature, one must also account for effects of free dislocations. The combined action of layer fluctuations and dislocations is t…
Advances in interpenetrating polymer networks
Conference Discussion Conference on Macromolecules: Polymer Networks, 7th, Karlovy Vary, Czechoslovakia, 1980-09-15–1980-09-19 Published Online: 2009-01-01 Published in Print: 1981-01-01 © 2013 Walter de Gruyter GmbH, Berlin/Boston
Electrochemical Corrosion Testing
Description Describes the most recent, useful procedures for determining the mechanisms of various corrosion phenomena, evaluating the corrosion susceptibility of various materials, and measuring rates of corrosion.
Catalytic decomposition of nitric oxide over copper(II)-exchanged, Y-type zeolites
The catalytic decomposition of NO has been investigated over copper(II)-exchanged Y-type zeolites (CuNaY) at 573–823 K in a flow reactor. CuNaY exhibited an appreciable activity above 723 K and was not poisoned by either oxygen or water vapour. In the presence of the CuNaY catalyst (69% exchanged) using a contact time…
Local and normal vibrational states: a harmonically coupled anharmonic-oscillator model
Analysis of previous calculations indicates that the observations of an irregular overtone/combination spectrum implies increasingly close local-mode near-degeneracies in the higher overtone states. This behaviour is accurately reproduced by a model of two harmonically coupled anharmonic oscillators, when the anharmon…
Photochromic heterocyclic fulgides. Part 3. The use of (E)-α-(2,5-dimethyl-3-furylethylidene)(isopropylidene)succinic anhydride as a simple convenient chemical actinometer
The thermally stable photochemically fatigue resistant title compound and its coloured form provide a photochromic system well suited for chemical actinometry in the near-u.v. and visible spectral regions. A solution of the photochromic compound in many common organic solvents can be used repeatedly and, provided the…
Crystallographic study of the distribution of chromium cations in X and Y zeolites
The crystal structures of four CrY zeolites and one CrX zeolite containing 1,2 wt% chromium have been determined by powder X-ray crystallography. The results demonstrate that the Cr3+ cations occupy preferentially the site I' of these samples after dehydration. The cations at this site are three-coordinate.The framewo…
Microstructural changes around non-metallic inclusions caused by rolling-contact fatigue of ball-bearing steels
Microstructural changes around non-metallic inclusions (sometimes called ‘butterflies') were studied using both optical and transmission electron microscopy. Large numbers of cyclic stresses cause the parent tempered martensite to disappear, along with the spherical cementite particles generally found in these through…