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Estudo do critério de Niyama na formação de porosidade em fundidos de aço com distintos intervalos de solidificação
(Universidade Federal de São Carlos, 2005-09-29)
This study concerns the analysis of the application of the Niyama Criteria as a tool to predict porosity formation on steel castings made from steel with different solidification gaps. Therefore, test coupons were project ...
Estudo das propriedades de transporte de água e íons em tintas de acabamento à base de poliuretana alifática e poliuretana acrílica, novas e após envelhecimento sob radiação UV.
(Universidade Federal de São Carlos, 2005-08-26)
The present work has as objective the comparative study between anticorrosive painting systems with two types of vehicle - aliphatic polyurethane and acrylic polyurethane - loaded with different concentrations of iron oxide ...
Obtenção de nanocompósitos de poliamida 6 / argila nacional com diferentes agentes compatibilizantes
(Universidade Federal de São Carlos, 2005-09-01)
The formation of nanocomposites well exfoliated is dependent of several factors, like organic treatment with appropriate ammonium quaternary salts to promote adequate interaction between polymer and clay. The objective of ...
Influência do negro de fumo na absorção da radiação na região do infravermelho para o reaquecimento do copolímero de poli(tereftalato de etileno) - PET.
(Universidade Federal de São Carlos, 2005-08-06)
The objective of this work was to study the influence of the use of carbon
black as infrared absorber to improve the PET resin heat-up during the
stretching blow molding of bottles. It was investigated the correlation ...
Elaboração e implementação piloto de um portal para o apoio à cooperação científica e tecnológica e sua aplicação à área de tratamento de superfícies metálicas.
(Universidade Federal de São Carlos, 2005-12-02)
The globalization and the Communication and Information Technologies
(CIT´s) have been, respectively, increased the demand and facilitated the
existence of cooperation associated to innovation, research and development
(R&D). ...
Microestrutura e propriedades mecânicas de ligas Al-Si hipoeutéticas conformadas por spray.
(Universidade Federal de São Carlos, 2005-06-29)
The aims of this work were the microstructural and tensile properties
characterization of the hypoeutectic spray formed Al-Si 319 and 380 alloys. The
alloys were melted by induction furnace, gas atomized with nitrogen ...
Efeito do SiC na microestrutura e propriedades de rolos cerâmicos de Al2O3/mulita.
(Universidade Federal de São Carlos, 2005-08-01)
This dissertation discusses the effect of the addition of silicon carbide
(SiC) on the microstructure and properties of Al2O3/mullite ceramic rolls
obtained by the extrusion process. The purpose of adding SiC was to ...
Processamento e caracterização de condutores de íons O2- a partir de cerâmicas BIMEVOX.
(Universidade Federal de São Carlos, 2005-11-11)
In this work, the processing of BIMEVOX family ceramics (ME-doped bismuth vanadate, ME =Cu2+, Fe3+ and Ti4+), obtained by precursor oxides fusion method was studied. The resulting powders were valued by X ray diffraction, ...
Determinação da energia de fratura em materiais cerâmicos em altas temperaturas.
(Universidade Federal de São Carlos, 2005-03-11)
In this work, the main objective was to determine the energy of fracture in
ceramic materials, focused on refractories, at high temperatures and to inquire
the interference of the creep on this measurement. Therefore, ...
Processamento viscoplástico e conformação cerâmica por rolos a frio a partir de suspensões concentradas de alumina.
(Universidade Federal de São Carlos, 2005-07-27)
Plastic forming, followed by roll-pressing, allows to shape ceramic bodies with thickness that are useful for electronic and pavement ceramics. This work introduces an alternative route to processing ceramic plastic mixes. ...