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Now showing items 21-30 of 42
Durabilidade de polietileno em vinhaça quente e fresca em usina de açúcar e álcool
(Universidade Federal de São Carlos, 2013-12-10)
Geomembranes are polymeric sheets widely used in vinasse ponds to prevent contamination of soil. Long-term durability is expected, since failure can result in environmental impact. Smooth black commercial geomembranes and ...
Estudo da aplicação da técnica de Trabalho Essencial da Fratura (EWF) na análise da tenacidade à fratura de sistemas poliméricos
(Universidade Federal de São Carlos, 2013-12-20)
Polymeric materials, including polymer blends and composites are used in a great variety of engineering applications. Toughness, which is associated to the capacity of the material to absorb energy before its break, is ...
Efeito da geometria e da rigidez do projeto da prótese de quadril no estímulo ao remodelamento ósseo
(Universidade Federal de São Carlos, 2013-12-16)
The stress shielding phenomenon, resulting from the large difference between materials usually employed in prosthesis and the femur Young modulus, promotes significant bone mineral density loss, which originates several ...
Características e mecanismos de desgaste dos refratários MgO-C usados na linha de escória de panelas de aço
(Universidade Federal de São Carlos, 2013-08-02)
Steel ladles are special vessels used for liquid steel transportation from the primary refining stage up to its solidification one at the casting shop. The MgO-C bricks have been used for lining this equipment due to its ...
Carvão vegetal: desenvolvimento de indicadores tecnológicos a partir da análise de documentos de patentes
(Universidade Federal de São Carlos, 2013-08-30)
Charcoal is an important renewable source of energy and feedstock for several applications. Its consumption, production and utilization are known by human kind for many years and have been increasing over time. The constant ...
Desenvolvimento de nanocompósitos de polianilina/TiO2 e compósitos de polianilina/NaAlH4 para armazenamento de hidrogênio
(Universidade Federal de São Carlos, 2013-08-28)
Hydrogen is considered a clean and versatile energy vector that can be used for many applications, having water as the major product of combustion, it a great potential to be an alternative to fossil fuels. However, the ...
Síntese por redução carbotérmica assistida por micro-ondas de carbeto de zircônio
(Universidade Federal de São Carlos, 2013-09-12)
One of the major motivations for the development of new synthesis routes is a continuing need for fast and energy-efficient methods that allow obtaining materials with differentiated technological characteristics and ...
Aplicação do resíduo de bauxita como fonte de Al2O3 e Fe2O3 na preparação de clínqueres de cimentos portland
(Universidade Federal de São Carlos, 2013-03-19)
During the past decades, the bauxite residue (BR) generated in the aluminium production was considered unusable waste. However, the difficulties and the costs associated with the residue management and storage have motivated ...
Desenvolvimento de concentrados de PVC reforçados com fibras de vidro longas (LF-PVC) para reforçar compostos de PVC rígido moldados por injeção
(Universidade Federal de São Carlos, 2013-12-06)
This work presents a study and development of long glass fiber PVC pellet concentrate (LF-PVC) manufactured by extrusion similar wire coating technique to reinforce pelletized rigid PVC compounds to produce injection molding ...
Fotoluminescência dos compostos (Ba1-xSrx)MoO4 sintetizados com diferentes solventes
(Universidade Federal de São Carlos, 2013-10-15)
The molybdates with scheelite-type tetragonal structure is a family of inorganic materials that has received considerable attention since the discovery of their luminescent properties, with emission in the visible spectral ...