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Mostrando ítems 11-20 de 24
Eletrólito sólido β/β”-alumina para protótipo de bateria sódio-níquel
(Universidade Federal de São Carlos, 2014-10-07)
Itaipu Binational along with the Swiss company power generation Kraftwerke Oberhasli AG/KWO, are developing a battery of nickel-sodium salt (Na/NiCl2), which uses β/β"-Al2O3 ceramic as solid electrolyte, to apply on electric ...
Efeito da adição de boro na microestrutura e na resistência ao desgaste do aço inoxidável AISI 430 conformado por spray
(Universidade Federal de São Carlos, 2014-08-04)
The contact between drill pipes during oil well exploitations induces a severe wear process that might cause well bore pipe wall rupture, fluids leakage, environmental impacts, and possibly fatal accidents. The problem is ...
Influência de variáveis de sinterização na microestrutura e propriedades mecânicas de peças de PTFE moldadas por prensagem isostática
(Universidade Federal de São Carlos, 2014-02-03)
Polytetrafluorethylene (PTFE) is used in a wide range of critical applications because of its outstanding chemical and thermal resistance, low surface energy and special tribological properties. Because of its ultra high ...
Produção por aspersão térmica de revestimentos amorfos resistentes à corrosão e ao desgaste utilizando a liga Fe60Cr8Nb8B24
(Universidade Federal de São Carlos, 2014-12-18)
Metallic coatings are generally designed to confer high wear and corrosion resistance to the substrate to be coated. These properties are essential to make structures suitable to resist to aggressive environment and operating ...
Rebitagem por fricçao de alumínio 2024-T351 em policarbonato
(Universidade Federal de São Carlos, 2014-10-24)
This dissertation addressed the feasibility study of Friction Riveting technique on polycarbonate and 2024-T351 aluminum alloy spot joints. Design of experiments and Artificial Neural Network modelling were used to investigate ...
Avaliação das características mecânicas de compósitos de cimento Portland reforçados com fibras de polipropileno aditivadas com modificadores de superfície
(Universidade Federal de São Carlos, 2014-07-25)
The application of polymeric fibers as reinforcement in cement based composites is a highly developed technology in various applications in construction. The use of polypropylene fibers have been widely used, but with some ...
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 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 ...
Compreendendo a influência da titânia no processamento da alumina eletrofundida marrom e sua caracterização para aplicações abrasivas
(Universidade Federal de São Carlos, 2014-01-28)
Motivated by increased consumption of abrasive grains and the need of the abrasive market to develop roughing, polishing and increasiling efficient cutting tools, this work aimed to understand the influence of titania in ...
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 ...