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Now showing items 11-20 of 46
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 ...
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 ...
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 ...
Estudo da tenacidade à fratura por meio do método do trabalho essencial de fratura (EWF) da blenda PBT/ABS, reforçada com fibra de vidro
(Universidade Federal de São Carlos, 2008-06-05)
High rubber content acrylonitrile-butadiene-styrene terpolymer (ABS) has been used to tough PBT. As a result, super tough PBT/ABS blends under notched Izod impact have been obtained. However, there has been a significant ...
Influência das condições de processamento na morfologia e das propriedades mecânicas de sistemas poliméricos moldados por injeção e sua predição através de redes neurais artificiais.
(Universidade Federal de São Carlos, 2004-08-12)
The influence of the injection molding parameters on the morphology and mechanical properties of poly(phenylene sulfide), PPS, and of a 80/20(%wt) blend of PPS/block copolymer styrene-ethylene-butylene-styrene ,SEBS, ...
Processamento de pós ultrafinos e nanométricos por moagem de alta energia para a obtenção de compósitos cerâmicos Al2O3-(5%vol.)TIC.
(Universidade Federal de São Carlos, 2002-09-13)
The major objective of this thesis was to study the processing behaviour of Al2O3 ultra-fine and nanosized powders obtained by high energy milling
(HEM), to produce, after forming and sintering, Al2O3 .(5%vol.)SiC and Al2O3 ...
Conformação por spray da liga formadora de fase amorfa Fe66B30Nb4
(Universidade Federal de São Carlos, 2008-08-07)
The goal of this doctoral thesis was to contribute to the technology of amorphous metals production with dimensions of the order of millimeters or centimeters through the process of spray forming for the ternary Fe66B30Nb4 ...
Estudos microrreológicos da blenda PBT/SAN.
(Universidade Federal de São Carlos, 2006-09-22)
This work was motivated by the need of a better understanding of the
microrheological characteristics of polybutylene terephthalate, PBT, polymer
blends, such as the matrix phase PBT and the styrene-acrylonitrile, SAN
copolymer ...
Elaboração e implementação piloto de um portal para o apoio à cooperação científica e tecnológica e sua aplicação à área de tratamento de superfícies metálicas.
(Universidade Federal de São Carlos, 2005-12-02)
The globalization and the Communication and Information Technologies
(CIT´s) have been, respectively, increased the demand and facilitated the
existence of cooperation associated to innovation, research and development
(R&D). ...
Microestrutura e propriedades mecânicas de ligas Al-Si hipoeutéticas conformadas por spray.
(Universidade Federal de São Carlos, 2005-06-29)
The aims of this work were the microstructural and tensile properties
characterization of the hypoeutectic spray formed Al-Si 319 and 380 alloys. The
alloys were melted by induction furnace, gas atomized with nitrogen ...