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Sílica coloidal como agente ligante e fonte mulitizadora em concretos refratários
(Universidade Federal de São Carlos, 2009-03-03)
The recent development of refractory castables for high temperatures applications are closely related to binders technology, especially those presenting superior performance and installation properties. The calcium aluminate ...
Projeto e operação de cubas eletrolíticas para a indústria de alumínio
(Universidade Federal de São Carlos, 2006-04-26)
The Brazilian aluminum industry is ranked among the sixth biggest aluminum producers worldwide and plays an important role in the local market. Continuous improvement in aluminum industry points to more metal output at ...
Influência da incorporação de aditivos nas propriedades do Poli (Hidroxibutirato-co-hidroxivalerato) - PHBV
(Universidade Federal de São Carlos, 2008-08-05)
The concept of environmentally correct products has been exhaustively discussed and, today, the use of biodegradable polymers appears as a feasible alternative for the problem of inadequate disposal of plastic waste products. ...
Caracterização físico-química de PET ramificado e de suas blendas com PET reciclado
(Universidade Federal de São Carlos, 2004-05-10)
The growing concern with the solid residues management, observed in the last decade, due to its huge amount and impact, has motivated the search for recycling processes, where these residues can be reprocessed to generate ...
Síntese e caracterização de nanofitas de óxido de estanho.
(Universidade Federal de São Carlos, 2004-10-08)
Tin oxide nanoribbons were synthesized by a carbothermal method, which is based on evaporation-condensation reactions. The source material was composed of commercial tin dioxide (SnO2) powders mixed with carbon black. This ...
Resistência ao desgaste abrasivo da liga Fe66B30Nb4 processada por conformação por spray
(Universidade Federal de São Carlos, 2009-12-17)
Aiming at the improvement of the wear resistance of a glass former composition, the Fe66B30Nb4, the alloy was modified with the addition of Ti, resulting in the theoretical compositions: Fe63B29Nb4Ti4 (SF1) and Fe65B30Nb4Ti1 ...
Reatividade de materiais de moldagem na fundição de precisão de titânio
(Universidade Federal de São Carlos, 2009-04-13)
Investment casting of Titanium parts free of defects is very difficult owing to the reactivity of this element in the liquid state .The objective of this study was to evaluate the reactivity of titanium with refractory ...
Avaliação da tendência à formação de fase vítrea nas ligas à base de alumínio do sistema Al-Y-Fe
(Universidade Federal de São Carlos, 2009-08-03)
The present work aimed to study the glass-forming ability of the aluminum-itrium-iron (Al-Y-Fe) alloys. The work included the preparation of samples through the melt-spinning technique and varying the composition of the ...
Avaliação da qualidade final de juntas dissimilares de ligas de alumínio 2024-6056 e 7075-6056 soldadas por FSW - friction stir welding
(Universidade Federal de São Carlos, 2006-03-31)
The aeronautic industry has been studying the FSW (Friction Stir Welding) process since its development by TWI (The Welding Institute), in 1991. Nowadays it has been used in the airplanes fuselage of the Eclipse Aviation ...
Desenvolvimento de um detector de espalhamento de luz LASER de baixo ângulo LALLS operando em tempo real na extrusão
(Universidade Federal de São Carlos, 2005-12-08)
In the present work a prototype of a low angle laser light scattering was developed and installed in an extruder in order to operate in real time. The equipment was built by the research group of which the author is member, ...