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Now showing items 171-180 of 270
Engenharia de microestrutura de cerâmicas porosas
(Universidade Federal de São Carlos, 2013-02-28)
Refractory insulating is used to reduce thermal losses in industrial processes by decreasing the energy transfer rate between regions with distinct temperatures, therefore, increasing the energy efficiency of various ...
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 ...
Efeitos da incorporação de resíduos de espuma rígida de poliuretano em compostos poliméricos a base de polipropileno
(Universidade Federal de São Carlos, 2012-12-07)
This research fits in the technological development area and is aimed to evaluate the effects of adding waste of rigid polyurethane foam in the polymeric compounds based on polypropylene. The results of this research will ...
Estudo de vida em fadiga de parafusos pediculares revestidos com hidroxiapatita
(Universidade Federal de São Carlos, 2013-08-30)
The search for new materials or changes in the manufacture process for the surgical implant companies have been considered one the most challenging issues for the engineering in order to supply high performance products ...
Estudo das variáveis que afetam a tenacidade e a ductilidade do aço PH13-8Mo utilizado na indústria aeronáutica
(Universidade Federal de São Carlos, 2012-10-27)
Precipitation Hardening Stainless Steel PH13-8Mo is a high strength steel used in the aerospace industry. Beyond the high strength, this grade has relatively high toughness and ductility for the strength achieved. The ...
Tendência de formação de fase amorfa em ligas a base de magnésio para biomaterial temporário
(Universidade Federal de São Carlos, 2011-10-24)
Mg alloys have attracted attention as potential implant material because of their good mechanical properties, biocompatibility and biodegradation properties. However corrosion of these alloys causes intense release of ...
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 ...
Utilização da técnica de conformação por coagulação direta (direct coagulation casting) em massas refratárias de sílica para processos de fundição por cera perdida
(Universidade Federal de São Carlos, 2013-01-22)
Refractory masses for lost wax casting process of steel and alloys, especially for dental devices are constituted basically of silica (quartz and / or cristobalite). In these materials, the binding agent is generally based ...
Influência de polipropileno maleado no comportamento de fratura (EWF) de compósitos de polipropileno/fibra de vidro
(Universidade Federal de São Carlos, 2012-04-11)
Thermoplastic composites reinforced with short glass fibers, to be used in technical engineering applications, usually requires a good balance of properties, such as strength and tenacity. For the case of the composite of ...
Estudo das propriedades e desempenho mecânico de juntas soldadas por fricção pontual de poli (metacrilato de metila) (PMMA)
(Universidade Federal de São Carlos, 2012-10-05)
Polymeric components have been replacing traditional materials such as glass or metals in a wide range of applications due to their advantages, such as optimized specific strength (weight-to-strength ratio), reduced ...