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Mostrando ítems 11-20 de 114
Refratários para o transporte de alumínio líquido: fundamentos, simulação e prática industrial
(Universidade Federal de São Carlos, 2007-09-13)
Not only for the development of their products, the aluminum industry has
engaged its efforts in services for their customers. One of them is the molten
aluminum delivery (7 to 8 t) in crucibles for long distances (over ...
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)
Preparação e caracterização de nanocompósitos de LDPE e LDPE/EVA com partículas de Ag/TIO2 para aplicações antimicrobiais
(Universidade Federal de São Carlos, 2009-10-02)
This study investigated the use of a charger inorganic (titanium dioxide) as a support for silver nanoparticles and evaluated the use of material obtained as filler in polymer for antimicrobial application.Silver ...
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, ...
Obtenção de biovitrocerâmicas por cristalização controlada do vitro 1Na2O.2CaO.3SiO2.
(Universidade Federal de São Carlos, 2003-09-16)
Glass-ceramics used as implant in tissue attachment bioactive classification type, show better mechanical strength than related glasses or ceramics, but without significant bioactivity loss. It was not analysed the bioactivity ...
Desenvolvimento e caracterização de blendas PHBV/Ecoflex® e suas modificações com amidos
(Universidade Federal de São Carlos, 2008-05-30)
Plastics materials produced from petrochemicals are widely used due to
their versatility, mechanical properties and low cost, but they cause environmental
impact as a consequence of the accumulation of great amount of ...
Avaliação da resistência à corrosão da liga 2024-T351 soldada por FSW Friction Stir Welding
(Universidade Federal de São Carlos, 2007-09-14)
The corrosion resistance of aluminum alloy can be impaired due to
intermetallic precipitation during thermal treatment to improve mechanical
properties. This work investigates the corrosion resistance of aluminum alloy
2024-T351 ...
Crescimento de grãos anômalos em titanato de bário.
(Universidade Federal de São Carlos, 2004-04-05)
Barium Titanate (BaTiO3) and derived material are extensively used in the manufacture for a large range of electronic components like multilayer ceramic capacitors (MLCC), semi-conductor devices, PTCR (positive ...