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Now showing items 111-120 of 426
Estudo da utilização de fundentes alternativos ao feldspato em composições de porcelanato
(Universidade Federal de São Carlos, 2010-01-05)
The porcelainized stoneware has been outstanding in the current market of ceramic tiles because it offers excellent technical and esthetic features. In this research traditional ceramic raw materials were selected and a ...
Sílica coloidal como agente ligante e fonte mulitizadora em concretos refratários
(Universidade Federal de São Carlos, 2009-03-03)
The recent development of refractory castables for high temperatures applications are closely related to binders technology, especially those presenting superior performance and installation properties. The calcium aluminate ...
Estudo da dispersão de pigmentos orgânicos em resina de polipropileno para aplicação em fibras e filamentos
(Universidade Federal de São Carlos, 2009-08-03)
Polypropylene has become widely used in fiber and filament applications; most part of these applications use colorful pigments to satisfy aesthetic necessities, communication, identification and others. To achieve the ...
Modificação e caracterização da superfície do aço inoxidável Martensítico AISI 410
(Universidade Federal de São Carlos, 2010-04-29)
This work deals about the surface modification of the AISI 410 martensitic stainless steel. The modification of steel surfaces is important for the improvement of its mechanical and tribological properties. Among the ...
Desenvolvimento de eletrodo FGM a base de Ni-zircônia para célula a combustível de sólido óxido
(Universidade Federal de São Carlos, 2007-03-01)
The search for alternatives sources to fossil fuel has stimulated the
technological development of solid oxide fuel cell. Hydrogen is the ideal fuel for
this application. However, due to technical reasons, alternatives ...
Avaliação da corrosão intergranular de aços inoxidáveis por meio de normas e de ensaios eletroquímicos em altos potenciais
(Universidade Federal de São Carlos, 2011-04-04)
The corrosion resistance of stainless steels is given by the formation of a Cr2O3 film on the metal surface, inhibiting its contact with the aggressive medium. The sensitization that occurs in these steels at temperatures ...
Correlação entre os resultados de tração a quente e fluência para o cobre comercialmente puro
(Universidade Federal de São Carlos, 2011-03-11)
Hot tensile test data were correlated with creep data, in commercially pure copper, using a recently proposed criterion for the analysis of these two kinds of tests at high temperature. The criterion considers the equivalence ...
Estudo da solidificação do aço rápido M2 em diferentes lingotes e seus efeitos na microestrutura e propriedades mecânicas finais
(Universidade Federal de São Carlos, 2011-08-03)
The high speed steels are mostly applied in cutting tools, like drills, cores and top milling cutter. Its microstructure is composed by martensite, with high hardness, strong tempering resistance and disperses carbides on ...
Uso do método do trabalho essencial de fratura (EWF) para avaliar a tenacidade de blendas poliméricas.
(Universidade Federal de São Carlos, 2005-03-11)
Initially it was made a well elaborated study on the essential work
of fracture method (EWF) using the polyamide 6 (PA6) because this polymer
shows high difficult to evaluate its toughness. The PA6 is a semi-crystalline
polymer, ...
Controle da volatilização de inibidores voláteis de corrosão através de suporte de alumina
(Universidade Federal de São Carlos, 2000-10-20)
During the process of the fabrication, storage and transport of equipments, the control of metallic corrosion can make though vapor phase corrosion inhibitors (VCI). These inhibitors are, generally, organic salts deriving ...