Materials Literature
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I . Factors controlling pitting corrosion and laboratory methods used for its study are reviewed. An electrolytically accelerated test was developed for investigation of pit initiation. A controlled direct current was passed through a cell whose anode was the stainless steel specimen and whose electrolyte was the pitt…
The first page of this article is displayed as the abstract.
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BY CONMARROBINSON BY CONMARROBINSON Research Laboratory, CourtauIds Ltd., Maidenhead, Berks Receired 29th June, 1955 The birefringent solutions of poly-y-benzyl-L-glutamatein several solvents have been studied. These show parallel equidistant lines which are visible even in natural light. The periodic
Ventajas del método de prensado en seco en la industria cerámica. Consideraciones sobre la cocción a temperatura baja.
Interés del empleo de ladrillos refractarios aislantes en la construcción, de hornos cerámicos con el f in de tener una mayor economía de combustible, un aumento de la producción, mejor calidad de las piezas y reducción en el coste de construcción.
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El empleo de la soldadura facilita la reparación de los hornos rotatorios, acortando el tiempo necesario para dicha operación. Se presentan diversos ejemplos prácticos.
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The first page of this article is displayed as the abstract.
Diffusion processes during the oxidation of alloys involving noble metals are analyzed theoretically. An oxide film of uniform thickness is stable only if diffusion in the alloy is relatively rapid compared with diffusion in the oxide of the less noble metal. Otherwise, there is the tendency to form a rugged alloy‐oxi…
A dynamic method has been developed for the study of the pyroelectric effect. Transient currents produced in single crystals of barium titanate when subjected to flashes of light are shown to be pyroelectric in origin. The illumination results in a small change in the temperature of the crystal which, in turn, causes…
Abstract not Available.