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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 ...
Estudo da reação de formação do pigmento cerâmico azul (V-ZrSiO4) a partir de SiO2, ZrO2 e V2O5
(Universidade Federal de São Carlos, 2005-04-08)
The present work aimed to study the process of synthesis of one of the most important ceramic pigments manufactured by the traditional method of oxide mixture: the turquoise blue of vanadium doped zircon. The plan proposed ...
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 ...
Desenvolvimento de um detector de espalhamento de luz LASER de baixo ângulo LALLS operando em tempo real na extrusão
(Universidade Federal de São Carlos, 2005-12-08)
In the present work a prototype of a low angle laser light scattering was developed and installed in an extruder in order to operate in real time. The equipment was built by the research group of which the author is member, ...
Estudo da transição de fase sólido-vapor e da eficiência de inibidores voláteis de corrosão quando incorporados em matrizes poliméricas
(Universidade Federal de São Carlos, 2005-08-05)
In this work it is proposed a potential barrier model between solid and vapor phases. As a consequence of this model it is developed a method to measure vapor pressure as low as 10-5 Pa. A thermodynamic system consisting ...
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). ...
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 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. ...
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, ...