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Highly porous geopolymers: effect of the processing route on the reached properties
(Universidade Federal de São Carlos, 2015-02-10)
Os geopolímeros (polímeros inorgânicos) têm atraído a atenção da academia por várias razões, em particular pelo fato de ser considerado um material sustentável onde subprodutos industriais podem ser utilizados como matéria ...
Conformação por spray da liga amorfizável a base de ferro [(Fe0,6Co0,4)0,75B0,2Si0,05]96Nb4
(Universidade Federal de São Carlos, 2015-10-29)
The use of amorphous metals becomes a large market in the industry of micro-components and/or milimetric machine parts, presenting excellent magnetic and mechanical properties and high glass forming ability such as the ...
Caracterização da liga amorfa Cu36Ti34Zr22Ni8 processada termomecanicamente
(Universidade Federal de São Carlos, 2015-03-31)
Glass forming ability (GFA) is one of the big issues to obtain large bulk metallic glasses, which are composed of three or more elements. Regardless of an increasing theoretical understanding of glass formation, taking a ...
Efeito químico de aditivos em suspensões aquosas de magnésia para potenciais aplicações em concretos refratários
(Universidade Federal de São Carlos, 2015-02-05)
Magnesium oxide is an important subject of investigation because of its physical and chemical properties, mainly for its application to refractory ceramics. However, magnesium oxide hydration generates its hydroxide, ...
Elaboração de indicadores de ciência e tecnologia para o monitoramento de avanços tecnológicos em nanocelulose
(Universidade Federal de São Carlos, 2015-02-27)
Nanocellulose is an economically promising nanomaterial that can be obtained from renewed sources. Due to its potential, it has been the subject of much research in Brazil and in the world. Nanocellulose is an emerging ...
Estudo da fissuração de concretos refratários durante o processo de cura auxiliado pela técnica de correlação de imagens digitais
(Universidade Federal de São Carlos, 2015-12-23)
The growing demand of the steel industry for cheaper and more efficient production
processes creates a necessity for new refractory materials. These requirements
are written in terms of more robust concretes, with a ...
Deformação plástica severa em temperaturas ambiente e criogênica, de Ti comercialmente puro
(Universidade Federal de São Carlos, 2015-01-28)
One of the most probable fields of applications of Severe Plastic Deformation (SPD) processes is that of biological implants, and the most investigated metallic material in this context is titanium and its alloys. The ...
Friction spot joining of aluminum alloy 2024-t3 and carbon-fiber-reinforced polyphenylene sulfide composite laminate with additional pps film interlayer
(Universidade Federal de São Carlos, 2015-11-30)
Friction Spot Joining (FSpJ) is a prize-winning joining technique for hybrid
metal-polymer composite structures. This master thesis was devised to
investigate the feasibility of FSpJ of metal-composite structures with ...
Monitoramento em tempo real da cristalização quiescente e induzida por fluxo de polipropileno em microscópio óptico de luz polarizada
(Universidade Federal de São Carlos, 2015-08-07)
In the polymer forming processes, such as injection molding, extrusion of films / sheets and blowing, these materials are subject to shearing and elongation flows. Such conditions influence its final morphologies. When ...
Calibração do modelo de Drucker-Prager/CAP para simulação numérica do processo de prensagem a frio de pós metálicos
(Universidade Federal de São Carlos, 2015-03-27)
An experimental procedure for the calibration of Drucker-Prager/Cap model, using
the digital image correlation technique, is presented. The elastic properties were
characterized by fitting stress vs. strain curves recorded ...