Materials Literature
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A molecular theory is developed to describe quantitatively the permanent set taking place in thin samples of vulcanized natural and synthetic rubbers held at constant extension at elevated temperatures. Permanent set is considered to be the result of the formation, through the action of molecular scission and cross-li…
Abstract In order to establish the conditions under which the buffering of insoluble substance may most usefully be studied, suspensions of fibre cellulose, hemicellulose and xylan have been examined to determine the relationship between pH and the degree of dissociation of their carboxyl groups. The materials were su…
Article Zur Kenntnis des Aufbaus und der Kristallchemie einiger Edelmetallsysteme (Palladium-Blei, Palladium-Zinn, Iridium-Zinn, Rhodium-Zinn, Platin-Blei) was published on April 1, 1946 in the journal International Journal of Materials Research (volume 37, issue 4-5).
(1946). 8—SOME OBSERVATIONS UPON THE EFFECT OF COLOUR ON THE ABSORPTION AND EMISSION OF RADIATION BY A TEXTILE FABRIC. Journal of the Textile Institute Transactions: Vol. 37, No. 4, pp. T113-T120.
(1946). XXV. Crystal habit and internal structure.—II. The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science: Vol. 37, No. 267, pp. 217-236.
The principal features and mechanisms responsible for the transfer of free electrical charge to aircraft, as it flies through various types of precipitation, are examined. The charging characteristics of a typical airplane flying through dry snow are given and correlated with reliable quantitative data secured on the…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEnergy Additivity in Oxygen-containing Crystals and Glasses.Maurice L. Huggins and Kuan-Han SunCite this: J. Phys. Chem. 1946, 50, 4, 319–328Publication Date (Print):April 1, 1946Publication History Published online1 May 2002Published inissue 1 April 1946https://doi.org/10.1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOrgano-Silicon Polymers. The Cyclic Dimethyl Siloxanes*M. J. Hunter, J. F. Hyde, E. L. Warrick, and H. J. FletcherCite this: J. Am. Chem. Soc. 1946, 68, 4, 667–672Publication Date (Print):April 1, 1946Publication History Published online1 May 2002Published inissue 1 April 19…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffects of Molecular Structure on Physical Properties of Butyl Rubber.Paul J. FloryCite this: Ind. Eng. Chem. 1946, 38, 4, 417–436Publication Date (Print):April 1, 1946Publication History Published online1 May 2002Published inissue 1 April 1946https://pubs.acs.org/doi/10.102…
Measurements have been made of the change of resistance of ferromagnetic alloys of high coercivity when exposed to longitudinal and transverse magnetic fields. The changes in the cases of the permanent magnet materials alni, alnico (cast and sintered) and alcomax II are in marked contrast to those of pure ferromagneti…
Abstract Based on the work of Eyring and others relating to the creep problem, a velocity-modified temperature is developed for representing by means of a single variable the combined effects of strain rate and temperature on the stress reaction in a tension specimen. Available data are analyzed, indicating that the v…
Abstract Natural and synthetic rubber can be vulcanized with several vulcanizing agents other than sulfur, though sulfur and sulfur compounds are the only agents of practical value. A combination of rubber and synthetic resin can be successful only when chemical bonds are formed. It has been found that this is the cas…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMeasurement and Analysis of Small-Angle X-Ray ScatteringM.H. Jellinek, Ernest Soloman, and I. FankuchenCite this: Ind. Eng. Chem. Anal. Ed. 1946, 18, 3, 172–175Publication Date (Print):March 1, 1946Publication History Published online1 May 2002Published inissue 1 March 1946h…
Abstract This and a following article review the literature from 1910–1945 on polymerization of olefins and diolefins in suspension and emulsion, and present a number of new measurements not published to date. The subject is considered mainly from the point of view of scientific information on the mechanism of polymer…
Measurements have been made of all the elastic, piezoelectric, and dielectric constants of KDP and ADP crystals through temperature ranges down to the Curie temperatures. The piezoelectric properties agree well with Mueller's phenomenological theory of piezoelectricity provided the fundamental piezoelectric constant i…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpecific Heats at Low Temperatures of TiO, Ti2O3, Ti3O5, and TiN1C. Howard ShomateCite this: J. Am. Chem. Soc. 1946, 68, 2, 310–312Publication Date (Print):February 1, 1946Publication History Published online1 May 2002Published inissue 1 February 1946https://pubs.acs.org/doi…
In this article an attempt is made to examine the goals of current and of possible future types of research concerned with the non-elastic deformation of metals. It is found that an understanding of non-elastic deformation would be enhanced by research upon the following topics: 1. The anelasticity associated with the…
electric accelerating fields are to be obtained.by replacing the usual "dee" assembly and acceleration chamber by a cavity resonator, similar to types now commonly employed in radar.The use of such a cavity becomes practical only in an iron-less device, because of the limitation imposed by the air-gap in present accel…
Les auteurs présentent une étude systématique des spectres Raman de nombreuses molécules pentatomiques tétraédriques appartenant aux différents groupes de symétrie possibles. Beaucoup n'avaient pas encore été décrits; les autres ont été l'objet d'une étude critique. Les auteurs ont pu ainsi établir un classement plus…
Abstract Bei einer aus vielen starren Fadenelementen bestehenden Molekel wird die statistische (wahrscheinlichkeitselastische) Rückstellkraft sehr gross, sobald die Fadenelemente praktisch vollständig gegeneinander ausgerichtet sind. Es ist daher vorauszusehen, dass bei Einwirkung von Kräften, welche zu einer weitgehe…