Pantheon Repositório Institucional da UFRJ

Este estudio tiene como objetivo examinar los registros del espacio urbano de la ciudad de Río de Janeiro, realizados por el arquitecto, diseñador y pintor húngaro Géza Heller, entre los años de 1930 a 1940. Se parte del principio de que el artista, uno de los pocos&...

Siguiendo el camino trazado por otras naciones de América Latina a principios del siglo XX, Brasil celebró el centenario de su independencia con una gran exposición internacional en Río de Janeiro en el año 1922. La Exposición funcionó como una transmutación del pasado colonial...

Power plants are operating at higher temperatures and pressures to meet the increasing electricity demand, resulting in a higher materials creep damage. The damage evaluation requires materials removal to perform creep tests. This procedure is often unfeasible, as it requires repairs that&#x...

The present work analyzes the mechanisms of hydrogen diffusion and trapping in a quenched and tempered 41XX steel, evaluating its susceptibility to embrittlement. Through the addition of a recombination poison and application of different cathodic currents in permeation tests, the hydrogenation&#...

Desliming is a method of classifying mineral particles, which aims at removal of slimes so as to prepare the slurry to downstream concentration processes. It is a common item in mineral processing flowsheets, being mostly carried out in hydrocyclones, in which separation is result&...