Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffects of Electron Correlation in X-Ray and Electron DiffractionL. S. Bartell and R. M. GavinCite this: J. Am. Chem. Soc. 1964, 86, 17, 3493–3498Publication Date (Print):September 1, 1964Publication History Published online1 May 2002Published inissue 1 September 1964https:/…
Abstract The effects of the conditions fiber formation on structural parameters and tensile properties of melt‐spun, highly isotactic polypropylene filaments were investigated to determine the feasibility of producing supertenacity polypropylene filaments. Meltspun polypropylene monofilaments were prepared from five h…
Analytical results are presented for the transient ablation performance of a high-performance castable ablation resin for which spallation is responsible for the char removal. The mechanism for the spallation process is assumed to depend upon the internal stress due to the gas pressure drop through the char and a crit…
The electrical conductivity of compositions in the system ZrO 2 ‐CaZrO 3 was examined. The composition of maximum conductivity in this system is within the cubic solid‐solution region close to the low‐calcia cubic solid‐solution phase boundary. The conductivity decreases from the single‐phase cubic solid solution to b…
The viscos ity o f a soda -lime-sili ca g lass has bce n m eas urcd a t t he Nat io na l B urcau of Stand a rd s a nd se ven oth er la bo ratories. D ete rmin atio ns wc rc mad e in t hc ra nge of 102 t o 10 15 p oises. The rotat in g cy lind er was u sed at t he hig her t em pcrat urcs (800 to 1450 C) a nd t hc fib e…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA Revised Theory of High Polymer SolutionsMaurice L. HugginsCite this: J. Am. Chem. Soc. 1964, 86, 17, 3535–3540Publication Date (Print):September 1, 1964Publication History Published online1 May 2002Published inissue 1 September 1964https://pubs.acs.org/doi/10.1021/ja01071a…
Pitting of 18-8 stainless steel in 1-15 percent FeCl3 solutions is completely inhibited by NaNO3 additions. The critical activity of NO3− required for inhibition is related to Cl− activity by the relation: log(Cl−) = 1.92 log(NO3−) + 1.34. This equation can be derived on the view that competitive adsorption occurs bet…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTReactions of α-Substituted Polynitrotoluenes. I. Synthesis of 2,2',4,4',6,6'-HexanitrostilbeneK. G. ShippCite this: J. Org. Chem. 1964, 29, 9, 2620–2623Publication Date (Print):September 1, 1964Publication History Published online1 May 2002Published inissue 1 September 1964h…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMechanism of Eutectic CrystallizationR. P. Rastogi and Parmjit S. BassiCite this: J. Phys. Chem. 1964, 68, 9, 2398–2406Publication Date (Print):September 1, 1964Publication History Published online1 May 2002Published inissue 1 September 1964https://pubs.acs.org/doi/10.1021/j…
Abstract The degradation of phenol–formaldehyde polycondensates has been investigated at temperatures as high as 1000°C. By employing infrared spectrophotometric techniques and vapor‐phase chromatographic methods, as well as thermogravimetric and x‐ray analyses, it has been possible to examine the oxidation chemistry…
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMetal Atom Clusters in Oxide SystemsF. A. CottonCite this: Inorg. Chem. 1964, 3, 9, 1217–1220Publication Date (Print):September 1, 1964Publication History Published online1 May 2002Published inissue 1 September 1964https://pubs.acs.org/doi/10.1021/ic50019a003https://doi.org/…
The differential equations and boundary conditions governing the macroscopic behavior of nonconducting magnetically saturated media undergoing large deformations, are derived by means of a systematic and consistent application of the laws of continuum physics to a model consisting of an electronic spin continuum coupl…
A definition of the self-stress of a dislocation is proposed which is closely related to the more usual notion of a line tension. The definition enables a numerical calculation to be made of the shape of extended nodes in dislocation networks, and such a calculation leads to revised values of the stacking-fault energi…
Appreciable pairing of divalent metallic impurities with ${\mathrm{Na}}^{+}$ vacancies occurs in NaCl below 300\ifmmode^\circ\else\textdegree\fi{}C. The reorientation of such pairs or complexes had previously been observed under an applied electric field. In the present work stress-induced reorientation of pairs in Na…
The change $\ensuremath{\Delta}S$ of the thermoelectric power of high-purity gold wires due to quenched-in lattice vacancies was measured between 4.2 and 220\ifmmode^\circ\else\textdegree\fi{}K. The vacancy concentration was determined from the quenched-in electrical resistance at 4.2\ifmmode^\circ\else\textdegree\fi{…
A theoretical examination of the electronic energy bands of cubic strontium titanate has been performed by application of the LCAO (linear combination of atomic orbitals) method. Diagonal energies were determined from ionization potentials and crystalline fields based on a point-charge model for the ions. The ionic ch…