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Itens para a visualização no momento 11-15 of 15
Avaliação química, microestrutural e tribológica de filmes finos de TiCxNy produzidos por arco catódico para aplicações decorativas
(2016-11-24)
The deposition of thin films can be employed to modify and/or functionalize the properties of a material’s surface, improving wear resistance (tribological properties) or changing the resistivity (electrical properties). ...
Preparação e caracterização de revestimentos híbridos de poliuretano-ureia a partir de fontes renováveis
(2016-10-17)
Motivation of the work was to investigate the synthesis of polyols obtained from air induced oxidation of the commercial soybean oil and use these as precursors in the preparation of polyurethane-urea hybrid coatings. ...
Efeito da umidade no comportamento viscoelástico de misturas argila-rocha
(2016-08-29)
Drying is one of the most critical forming steps in the ceramic tile production. Usually defects such as cracks and surface distortion are produced in this processing step. One way to minimize these defects is to reduce ...
Efeito do empacotamento de partículas nas propriedades mecânicas e tribológicas de misturas de argila-rocha
(2016-07-05)
In this work was studied the basaltic source rock addition effect of on the packing particle of clay mixtures for ceramic industry applications. The raw materials (MPs) were collected in the region of Caí Valley in the ...
Desenvolvimento de bandas de rodagem com menor resistência ao rolamento e menor impacto ambiental
(2016-12-01)
The tire industry is in constant development in order to make its products safer, more durable, ecologic and energy saving. To achieve these objectives, improvements in the properties of abrasion resistance, wet grip and ...