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Itens para a visualização no momento 101-110 of 259
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, ...
Investigação das características de superplasticidade de um aço do sistema Fe-Mn-Al
(Universidade Federal de São Carlos, 2008-02-29)
The alloys of Fe-Mn-Al system have been rather studied in last few years indicating good potential for application, with the benefit of exhibiting 10 to 15% less density, coupled to good performance related to its mechanical ...
Estudo do transporte de íons Li+ em híbrido orgânico-inorgânico (SPHP) e nanocompósito (NHP) e seu desempenho em dispositivos eletrocrômicos.
(Universidade Federal de São Carlos, 2006-08-25)
The main goal of the present work is to describe the lithium ion transport
mechanism in a hybrid (SPHP) and nanocomposite (NHP) polyelectrolyte based
on complex conductivity analysis as a function of temperature. The ...
Preparação de nanofibras de celulose a partir de fibras de curauá para desenvolvimento de nanocompósitos poliméricos com EVA
(Universidade Federal de São Carlos, 2010-03-10)
The objective of the current project was the obtainment of cellulose nanofibers from curaua fibers and their application on the development of polymeric nanocomposites with EVA. A study of cellulose extraction according ...
Síntese e processamento mecânico de nanocompósitos à base de magnésio para armazenagem de hidrogênio
(Universidade Federal de São Carlos, 2009-03-31)
Les alliages nanocrystallines et les nanocomposites à base de magnesium sont des matériaux prometteurs pour le stockage d hydrogène dans l état solide, pour offrir une plus grande sécurité et efficaté de stockage que le ...
Caracterização elétrica de eletrólitos baseados em céria Nano e microcristalinos para pilhas a combustível
(Universidade Federal de São Carlos, 2008-09-16)
Fuel cells are considered the most promising way for generating electrical energy in a near future. The economic fuel cells viability is directly related to the reduction of its operating temperature which is related to ...
Eletrólitos mono e multicamadas de céria e zircônia preparados por colagem de fita
(Universidade Federal de São Carlos, 2009-09-03)
In this work it was investigated bi-layer electrolytes prepared by the tape casting technique. These electrolytes were composed of one layer of 10 mol% gadolinia doped ceria (CDG) and another one of 8 mol% yttria-stabilized ...
Problemas correntes sobre nucleação, crescimento de cristais e difusão em vidros.
(Universidade Federal de São Carlos, 2004-12-10)
Desenvolvimento de perfis extrudados de compósitos de polietileno de alta densidade com farinha de madeira
(Universidade Federal de São Carlos, 2009-12-17)
Polymer profiles extrusion shows some peculiarity due to the flow behavior of these materials during the processing. On the other hand, the profile die design and tooling has been more a result of professional s expertise ...
Desenvolvimento e caracterização de composições polipropileno/cargas retardantes de chama.
(Universidade Federal de São Carlos, 2004-09-03)
The main objective of this study was to develop and characterize polypropylene modified with flame retardant fillers. Two flame retardant fillers (Aluminum Hydroxide and Magnesium Hydroxide) were incorporated into four ...