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Now showing items 101-110 of 130
Avaliação do comportamento eletroquímico de juntas soldadas de aço inoxidável supermartensítico por feixe de elétrons baixo vácuo
(Universidade Federal de São Carlos, 2007-02-28)
The electrochemical evaluation of low vacuum electron beam weldments of supermartensitic stainless steel was carried out in terms of anodic polarization in potentiodynamic regime, intergranular corrosion by double loop ...
Influência dos parâmetros de Processamento e da composição na morfologia de resinas ABS.
(Universidade Federal de São Carlos, 2004-08-24)
The present work is about the influence of processing parameter and composition on the morphology of acrylonitrile-butadiene-styrene (ABS)resins. The ABS grades chosen are commercial products with high rubber content, i. ...
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 ...
Caracterização de sistemas varistores a base de SnO2-MnO2.
(Universidade Federal de São Carlos, 2002-08-02)
This work focussed on the effect of addition of Nb2O5 on the electrical and microestructural properties of SnO2-MnO2 based ceramics. It was also studied the effect of heat-treatments in a oxygen-rich atmosphere in these ...
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 ...
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 ...