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Now showing items 11-20 of 22
Análise das propriedades mecânicas de juntas sobrepostas na liga Al 6181-T4 soldadas por fricção por ponto
(Universidade Federal de São Carlos, 2011-03-21)
Lightweight alloys, originally developed for aeronautic applications, have also shown increasing use in the automotive sector, aiming fuel consumption and reduction of production costs. In addition to this there is the ...
Obtenção e caracterização de nanocompósitos de poli(cloreto de vinila): plastisol com argila
(Universidade Federal de São Carlos, 2011-03-03)
This project aims to study the effect of adding nanoparticles in the plastisol of poly(vinyl chloride) microsuspension. The influence of two different types of nanoclay, sodium montmorillonite and organophilic montmorillonite ...
Análise da influência das condições de mistura por extrusão sobre o comportamento de blendas poliméricas PBT/ABS
(Universidade Federal de São Carlos, 2011-06-09)
At the present work several properties of PBT/ABS blends processed with different extrusion conditions as feed rate, screw speed and profile and die geometry were studied in order to verify how these parameters affect their ...
Obtenção e caracterização elétrica de filmes finos de SnO2:Sb
(Universidade Federal de São Carlos, 2011-03-03)
The growing demand for advanced electronic devices based on nanomaterials has motivated efforts to produce nanoscale building blocks with designed functions. Transparent conducting oxide nanocrystals (TCONs) are particularly ...
Erosimetria a quente: equipamento, adequações e correlações dos valores obtidos com as propriedades de concretos refratários
(Universidade Federal de São Carlos, 2011-05-09)
The erosion wear is a mechanism that results in the removal of material from the surface by erosive particles. In some applications, such as calciners used in the aluminum industry and risers of the petrochemical industry, ...
Tendência de formação de fase amorfa em ligas a base de magnésio para biomaterial temporário
(Universidade Federal de São Carlos, 2011-10-24)
Mg alloys have attracted attention as potential implant material because of their good mechanical properties, biocompatibility and biodegradation properties. However corrosion of these alloys causes intense release of ...
CeO2 - 10% MOL Gd2O3: efeito da codopagem com X% MOL Sm2O3 (O5 X 52) na microestrutura e na condutividade elétrica
(Universidade Federal de São Carlos, 2011-09-16)
Fuel cells are the most promising technology for producing clean energy. In particular, the Solid Oxide Fuel Cell (SOFC) stands out among the various types due to high efficiency at high temperatures (800 ~ 1000°C) resulting ...
Desenvolvimento de união de multimateriais através de rebitagem por injeção (Injection Clinching Joining)
(Universidade Federal de São Carlos, 2011-06-22)
Multimaterial structures are currently a technologically attractive field of research. The growing use of polymer composites replacing metals in structures aiming for weight and emission reduction is part of the motivation ...
Monitoramento em tempo real da orientação molecular de poliestireno e em misturas com polimetilmetacrilato durante a extrusão
(Universidade Federal de São Carlos, 2011-03-02)
In this work it was studied the flow orientation of pure polystyrene and its diluted mixtures with polymethylmethacrylate as second phase during extrusion process by in-line monitoring of the polarized transmitted light ...
Desenvolvimento de compósitos biodegradáveis a partir de amido termoplástico e fibras vegetais
(Universidade Federal de São Carlos, 2011-09-16)
This project had as main objectives to obtain and to develop new and biodegradable composites from renewable sources using a thermoplastic starch (TPS) matrix reinforced with different amounts of natural fibers, acuri, ...