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Mostrando ítems 341-350 de 413
O significado do direito autoral na era da sociedade da informação: um estudo comparado de convenções internacionais
(Universidade Federal de São Carlos, 2013-02-22)
The Information Society is defined in terms of production, circulation and access to knowledge. Therefore, the copyright became a strategic element to the social, economical, political and cultural configuration of the ...
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 ...
Caracterização microestrutural e mecânica da liga de Al AA7050 reciclada por conformação por spray e extrusão
(Universidade Federal de São Carlos, 2013-01-22)
Aluminium alloys of the 7000 series are widely used in structural components in the aircraft industries due to their high strength and low density. However, a large amount of scraps is generated by the machining of the ...
Concretos refratários contendo agregados eutéticos eletrofundidos: energia de fratura e a resistência ao dano por choque térmico
(Universidade Federal de São Carlos, 2012-07-30)
The use of fused alumina-zirconia and mullite-zirconia eutectic aggregates can be an interesting choice to toughening high alumina castables, in order to produce good thermal shock damage resistant material. As a remarkable ...
Simulação numérica do forjamento a quente de um aço baixo carbono em matriz fechada acoplado com a evolução microestrutural
(Universidade Federal de São Carlos, 2013-11-22)
Hot closed die forging is the most used process to produce metal parts used in supporting and fixing cable conductors in transmission lines of electric power. In this forming process, the microstructural quality of the ...
Processamento de nanofibras de poliamida 66 / nanotubos de carbono de múltiplas camadas por eletrofiação
(Universidade Federal de São Carlos, 2010-03-26)
Nanocomposite fibers with polymer matrix have many applications, such as protective clothing, filtration and artificial blood vessels. Many of these applications require that the fiber has nanometric size due to some ...
Sinterização diferencial e auto-tensionamento: efeitos na condutividade elétrica da Zircônia estabilizada com Ítria
(Universidade Federal de São Carlos, 2019-06-19)
Recent researches indicate the possibility of increasing Yttria Stabilized
Zirconia (YSZ) electrical conductivity by generating stress states in the material,
by applying external loads or by its insertion in multilayer ...
Armazenagem de hidrogênio em nanocompósitos MgH2- aditivos à base de Fe e Nb, produzidos por moagem de alta energia e laminação a frio
(Universidade Federal de São Carlos, 2012-12-03)
Mg-based nanocomposites are considered promising materials for hydrogen storage in the solid state. In this work, Mg-based nanocomposites containing iron-based (Fe, Fe2O3, FeF3) and niobium-based (Nb, Nb2O5, NbF5) additives ...
Deformação plástica severa em temperaturas ambiente e criogênica, de Ti comercialmente puro
(Universidade Federal de São Carlos, 2015-01-28)
One of the most probable fields of applications of Severe Plastic Deformation (SPD) processes is that of biological implants, and the most investigated metallic material in this context is titanium and its alloys. The ...
Aplicação de estruturas zeolíticas de imidazólio (ZIFs) no desenvolvimento de membranas de matriz mista para separação de gases
(Universidade Federal de São Carlos, 2012-12-13)
Mixed matrix membranes based on a glassy polymer and a zeolite with organic character were developed, in order to evaluate whether the organic character of the ZIF-8 would favor its incorporation in the polymer matrix as ...