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Now showing items 191-200 of 273
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 ...
Características e mecanismos de desgaste dos refratários MgO-C usados na linha de escória de panelas de aço
(Universidade Federal de São Carlos, 2013-08-02)
Steel ladles are special vessels used for liquid steel transportation from the primary refining stage up to its solidification one at the casting shop. The MgO-C bricks have been used for lining this equipment due to its ...
Aplicações de resíduo de bauxita e cinza pesada da indústria do alumínio na fabricação de cimento Portland
(Universidade Federal de São Carlos, 2009-02-20)
Presently, a sustainable development is considered fundamental for the success and competitivity company s. Believing in such, the major Brazilian aluminum manufactures have invested, over the last two years, more than U$S ...
Estudos e desenvolvimento de processos de pós condensação no estado sólido do PET reciclado
(Universidade Federal de São Carlos, 2003-12-04)
The increasing requirement of Ply(ethylene terephtalate) PET from the package market has made this available to the public discarded, quickly, since the technology of multi way package hasn t been possible due to high cost ...
Desenvolvimento de borracha termoplástica por vulcanização dinâmica. TPV-(NBR+PP)
(Universidade Federal de São Carlos, 2012-09-14)
The union of technology of thermoplastic and rubber has contributed to the development of thermoplastic elastomers (TPE), which was evidenced through the study of patents in TPE in the last 20 years, where Japan and the ...
A cor de queima dos suportes de porcelanatos esmaltados
(Universidade Federal de São Carlos, 2012-09-10)
Brazil is a protagonist in the market of ceramic tiles. Porcelain stoneware is part of this supply chain with added value due to its excellent technical and aesthetic features, which higher acceptance in the market. Although ...
Refino de grão na transformação austenítica em aço rolamento previamente conformado a frio
(Universidade Federal de São Carlos, 2012-08-07)
In this work is presented the characteristics of the steel C80U Modified, usually applied for bearing components produced through cold forming, as evaluated the influence of prior cold work on the microstructure after heat ...