Materials Literature
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The corrosive interaction of wet elemental sulfur with construction materials is reviewed, emphasizing effects of alloy composition (carbon steels, ferritic steels, austenitic steels, ferritic-austenitic [duplex] steels, Ni- and Co-base alloys, and titanium and its alloys), medium composition (salts, partial pressures…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDynamical heterogeneity in a miscible polymer blendC. M. Roland and K. L. NgaiCite this: Macromolecules 1991, 24, 9, 2261–2265Publication Date (Print):April 29, 1991Publication History Published online1 May 2002Published inissue 29 April 1991https://pubs.acs.org/doi/10.1021/…
The temperature and pressure dependences of the dielectric constants have been measured on the mixed-stack organic charge-transfer crystal, tetrathiafulvalene-p-chloranil, in a frequency range from 100 Hz to 10 MHz. The dielectric response increases remarkably with decreasing temperature down to ${\mathit{T}}_{\mathit…
The heat capacity of ${\mathrm{Fe}}_{3(1\mathrm{\ensuremath{-}}\mathrm{\ensuremath{\delta}})}$${\mathrm{O}}_{4}$, was systematically measured for nine samples in the composition range 00.012 and for temperatures between 5 and 200 K. The character of the heat-capacity anomaly at the Verwey transition changed at \ensure…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation of molecular sieves from dense layered metal oxidesMichael E. Landis, B. A. Aufdembrink, P. Chu, I. D. Johnson, G. W. Kirker, and M. K. RubinCite this: J. Am. Chem. Soc. 1991, 113, 8, 3189–3190Publication Date (Print):April 1, 1991Publication History Published on…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhase diagrams of binary polymer solutions and blendsCaibao Qian, Stephen J. Mumby, and B. E. EichingerCite this: Macromolecules 1991, 24, 7, 1655–1661Publication Date (Print):April 1, 1991Publication History Published online1 May 2002Published inissue 1 April 1991https://pu…
Abstract The RAPRENO x process for NO reduction in combustion products involves reaction of nitric oxide with isocyanic acid. We have developed a mechanism for the gas‐phase reaction of isocyanic acid with nitric oxide in the presence of various amounts of O 2 , H 2 O, and CO. Kinetics calculations using the mechanism…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMicelle formation of BAB triblock copolymers in solvents that preferentially dissolve the A blockN. P. Balsara, M. Tirrell, and T. P. LodgeCite this: Macromolecules 1991, 24, 8, 1975–1986Publication Date (Print):April 1, 1991Publication History Published online1 May 2002Publ…
This paper attempts to formalize the field of Integrated Ferroelectrics. The history of devices that include ferroelectrics and semiconductor hybrids is reviewed. The modern ferroelectric device is a combination of ferroelectric thin-films onto a semiconductor single crystal substrate. The evolution of the field in th…
Anisotropic-conductiity (\ensuremath{\sigma}), thermopower, and dielectric-constant studies show that oriented polyaniline salt is representative of a class of quasi-one-dimensional disordered conductors where coupled parallel chains form ``metallic'' bundles in which electron wave functions are extended three dimensi…
The growth of Ge microcrystals in SiO 2 -Ge mixture films prepared by an rf co-sputtering method was studied by Raman spectroscopy and electron microscopy. It was found that in the as-deposited films, Ge clusters about 2 nm in diameter are embedded in SiO 2 matrices and they are grown to Ge microcrystals by thermal an…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGlass transition temperature as a function of conversion in thermosetting polymersArturo Hale, Christopher W. Macosko, and Harvey E. BairCite this: Macromolecules 1991, 24, 9, 2610–2621Publication Date (Print):April 29, 1991Publication History Published online1 May 2002Publi…
Inelastic neutron scattering on in situ grown bcc single crystals of the group 4 metals Ti, Zr and Hf show a band of low energy and strongly damped phonons. Geometrical considerations show how these damped lattice vibrations achieve the displacements necessary for the two martensitic phase transitions from bcc to ω (u…
Ralph W. Tiner; The Concept of a Hydrophyte for Wetland Identification: Individual plants adapt to wet environments, BioScience, Volume 41, Issue 4, 1 April 199
The foundation of a satisfactory Rotman lens design is geometric. The effects of seven design parameters (focal angle, focal ratio, beam angle ratio, maximum beam angle, beam port curve ellipticity, array element spacing, and focal length/ lambda ) on the shape, and on the geometric phase and amplitude errors of a Rot…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAggregation of coil-crystalline block copolymers: equilibrium crystallizationT. Vilgis and A. HalperinCite this: Macromolecules 1991, 24, 8, 2090–2095Publication Date (Print):April 1, 1991Publication History Published online1 May 2002Published inissue 1 April 1991https://pub…
Chemistry of ferrites theoretical models of electrical properties of ferrites electrical conductivity and thermoelectric power of ferrites low frequency dielectric properties of ferrites transport mechanism in mixed ferrites at microwave frequencies magnetic properties at microwave frequencies theory and design of non…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMolecular dynamics simulation of an amorphous polymer under tension. 1. PhenomenologyDavid Brown and Julian H. R. ClarkeCite this: Macromolecules 1991, 24, 8, 2075–2082Publication Date (Print):April 1, 1991Publication History Published online1 May 2002Published inissue 1 Apr…
The static polarization of lead magnesium niobate has been studied using a standard Sawyer-Tower circuit. The square-to-slim-loop hysteresis transition was phenomenologically modeled by modifying N\'eel's equation for the magnetization of a superparamagnet to a similar relationship for a superparaelectric. A temperatu…
Abstract A general analysis of the steps of the Rothemund reaction, allowed for a better understanding and a significant improvement of this reaction as a synthetic method in some of the previously known difficult syntheses.