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Mecanismos de controle da hidratação da magnésia visando sua utilização em concretos refratários
(Universidade Federal de São Carlos, 2009-06-30)
The increasing demand in the last years enhanced significantly the steel industry production As a consequence, most of the aspects regarding its production had to be reviewed aiming an optimum output. Concerning this goal, ...
Situação atual e perspectivas de utilização de materiais no interior de aeronaves executivas
(Universidade Federal de São Carlos, 2009-08-04)
This study focuses on analyzing the current situation and perspectives of materials selection and utilization, like composites, decorative laminates and films, and others, in business aircraft, particularly in furnishings ...
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 ...
Desenvolvimento de PVC reforçado com fibras de vidro longas para fabricação de produtos moldados
(Universidade Federal de São Carlos, 2009-06-04)
This work presents a method of the long glass fiber reinforced PVC compound through incorporating continuous glass fibers with plasticized vinyl matrix prepared by wire coating process and pelletizing the coated roving (by ...
Dispersão seletiva de argila montmorilonita em blendas poliméricas de PA6/ABS
(Universidade Federal de São Carlos, 2009-08-25)
For some applications toughening of polyamide is important. This can be accomplished through the addition of an elastomeric phase to the polyamide matrix with the drawback of a reduction in the stiffness and strength of ...
Estudo da recristalização dinâmica do aço inoxidável austenítico F 138, utilizado em próteses ortopédicas
(Universidade Federal de São Carlos, 2009-11-15)
In order to analyze the microstructure and to know the dynamic softening mechanics that take place during the hot work in F 138 stainless steel, physical simulation was carried out through continuous isothermal hot torsion ...
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 ...
Obtenção de estruturas porosas altamente bioativas via sinterização do Biosilicato®
(Universidade Federal de São Carlos, 2009-04-07)
In the present work, scaffolds were obtained through the controlled sintering of Biosilicate®. This material possesses good mechanical properties and its bioactivity level is comparable to that of bioglasses, making it an ...
Obtenção e condutividade elétrica de vitrocerâmica Li1+xAlxTi2-x(PO4)3 com diferentes microestruturas
(Universidade Federal de São Carlos, 2009-08-21)
Technological advances in portable devices imply not only the development of devices but also the need to enhance their power sources. For instance, cellular phones with high technology incorporating Bluetooth, Infrared, ...
Condutividade elétrica da solução sólida céria-zircônia dopada com ítrio e gadolínio
(Universidade Federal de São Carlos, 2009-09-10)
Rare earth doped ceria has a great potential to be used as electrolyte in temperatures around 800 °C in fuel cells due to its higher electrical conductivity than YSZ. However, the reduction of Ce+4 to Ce+3 in low oxygen ...