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Now showing items 21-30 of 43
Estudo do processo de soldagem por fricção por ponto da liga de magnésio AZ31
(Universidade Federal de São Carlos, 2012-08-17)
The great potential of magnesium alloys on reducing structural weight and therefore contributing with energy efficiency of transportation facilities has mainly attracted the automotive and aeronautic industries. The ...
Reciclagem de cavacos de ligas de alumínio 7050-T7451 utilizando conformação por spray e tratamentos termomecânicos
(Universidade Federal de São Carlos, 2012-08-09)
The aim of this work is to conjugate a sort of known processing techniques in to a machining chips recycling route. These are generate during airframe primary parts from AA 7050-T7451, purchased according to AMS 4050H. The ...
Influência da geometria da nanocarga na estruturação, orientação e propriedades de filmes tubulares de nanocompósitos de PA6
(Universidade Federal de São Carlos, 2012-06-13)
The structure and morphology of polymers and consequently their properties are dependent on the processing conditions. During the blown film process, high shear and elongational flows can induce a preferred orientation of ...
Desenvolvimento de blendas nanoestruturadas SAN/PBT modificadas com copolímeros acrílicos reativos
(Universidade Federal de São Carlos, 2012-08-02)
In this work we have obtained transparent nanoblends of poly(styrene-coacrylonitrile) (SAN) as matrix and poly(butylene terephthalate) as a nanometric phase. The materials were produced by means of reactive mixing in a ...
Avaliação do comportamento mecânico de nanocompósito de PEEK/nHA sob curta e longa duração para aplicação como biomaterial
(Universidade Federal de São Carlos, 2012-04-27)
The main objectives of this dissertation were to study the short (tensile and impact) and long-term (fatigue) mechanical behavior of nanocomposites of poly(ether-ether-ketone), PEEK, with nanohydroxyapatite, nHA, for ...
Desenvolvimento de um método para levantamento de tecnologias de materiais empregados no trem de força automotivo (powertrain) a partir de patentes
(Universidade Federal de São Carlos, 2012-05-27)
This research approaches the study from patents of technologies for materials used in power train of motor vehicles, to provide additional information in order to support decision making in this universe, especially in the ...
O revestimento refratário e seu efeito na vida útil e no consumo energético de calcinadores de alumina
(Universidade Federal de São Carlos, 2012-07-25)
The increased need of reducing production costs of commodities raised the importance of reaching higher levels of process efficiency and also the consolidation of financial gains due to larger-scale production capacities. ...
Desenvolvimento de blendas poliméricas policarbonato/ poli (Tereftalato de Butileno) (PC/PBT) compatibilizadas e nanoestruturadas
(Universidade Federal de São Carlos, 2012-03-08)
The evaluation of addition of a random copolymer as compatibilizing and his effect in obtaining nanostructured morphology in blends composed by PC as matrix and PBT as dispersed phase, were investigated. The copolymercom ...
Caracterização da fabricação e uso de compósitos poliméricos contendo fibras naturais com ênfase no polipropileno/sisal a partir da análise de documentos de patentes
(Universidade Federal de São Carlos, 2012-01-24)
Natural fibers have became important as substitute for synthetic fiber reinforcement and filling in polymer composites, looking for better properties, lower cost and appeal of sustainability. To do so, there are challenges ...
Síntese, sinterização em forno de micro-ondas e caracterização da Fe-Ni, PZT e do sistema multifuncional magnetoelétrico PZT/Fe-Ni
(Universidade Federal de São Carlos, 2012-08-30)
The production of multifunctional magnetoelectric materials today is potentiated in the manufacture of particulate (0-3 connectivity) or multilayer (2-2 connectivity) composites comprising a phase with magnetic properties ...