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Itens para a visualização no momento 201-210 of 269
Estudo de blenda polimérica PET/PE aplicado na reciclagem de aparas de filmes multicamadas
(Universidade Federal de São Carlos, 2013-12-18)
The main objective of this work was to analyze the viability of the recycling of post-industrial packaging scraps, compounded by multilayer laminated films of PET-HDPE, for production of polymer blends with good ...
Influência da nanoargila (O-MMT) nas propriedades mecânicas de polipropileno reforçado com fibra de vidro
(Universidade Federal de São Carlos, 2014-07-01)
Hybrid filler reinforced thermoplastics composed with short glass fiber (GF) and different particulate fillers present special interest for engineering applications, as substantial reductions in mechanical anisotropy and ...
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 ...
Obtenção de estruturas de nanocompósitos poliméricos híbridos condutores
(Universidade Federal de São Carlos, 2013-03-28)
In this work, hybrid electrical conductive nanocomposites structures with potential to be applied in conductive and electrostatic dissipative devices were obtained. Such structures were produced by combining two types of ...
Caracterização microestrutural e mecânica da liga AA7050 reciclada por conformação por spray, extrusão e forjamento rotativo
(Universidade Federal de São Carlos, 2014-07-03)
The objective of this study was to evaluate the microstructure and the mechanical properties of hot extruded bars and cold rotary swaging wires of an AA7050 alloy. The ingot for the mechanical conformation operations was ...
Análise por planejamento fatorial da corrosão por pites de aços inoxidáveis duplex em altas concentrações de íons cloreto
(Universidade Federal de São Carlos, 2012-06-01)
The duplex stainless steels UNS S32101 and UNS S31803, hot rolled, were chosen for the study of localized corrosion pitting for presenting interesting properties of mechanical strength and corrosion resistance for the ...
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 ...
Modificação química de poli(ácido láctico) com anidrido maleico por processamento reativo
(Universidade Federal de São Carlos, 2014-08-18)
The chemical modification of PLA with maleic anhydride by reactive processing and the extent of reaction and degradation reactions, were studied. Routes of grafting reaction of maleic anhydride in PLA were evaluated. Dicumyl ...
Microestrutura, resistência mecânica e corrosão sob tensão em ligas de alumínio Al-0,3%Fe e Al-4%Cu processadas por extrusão em canal angular
(Universidade Federal de São Carlos, 2019-04-29)
Grain refinement is an important hardening mechanism in metallic alloys, notably when the grain size reaches the submicrometer scale. For this purpose, several techniques of Severe Plastic Deformation (SPD) have been ...
Implementação do sistema de cristalização superficial induzida por laser em vidro de composição eutética
(Universidade Federal de São Carlos, 2019-03-01)
The radiation from lasers has been successfully applied to materials
processing such as drilling, cutting and welding, sintering of ceramic oxides,
surface heat treatment, directional solidification of single crystal ...