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Degradação da resistência à corrosão de aços inoxidáveis duplex, devido ao envelhecimento em baixas temperaturas por tempos prolongados.
(Universidade Federal de São Carlos, 2004-08-30)
Although duplex stainless steels exhibit good performance in many severe corrosive environments, their corrosion resistance can be hampered by precipitation of chromium (Cr) rich phases during aging heat treatments.
Micr ...
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. ...
Propriedades mecânicas de tração e impacto dos aços inoxidáveis CA15 e CA6NM
(Universidade Federal de São Carlos, 2007-02-27)
The subject of this work was to study the mechanical properties, based in tensile and impact tests, of two stainless martensitic steels cast under designations of ASTM Standards, namely the CA15 steel, a steel with 12% of ...
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 ...
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 ...
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 eletroquímica de juntas soldadas por fricção radial de aços inoxidáveis supermartensíticos
(Universidade Federal de São Carlos, 2007-03-23)
Supermartensitic stainless steels are used in the oil and gas industry to the construction of line pipes which require welding operations. This process affects the corrosion resistance of the welded joint. Recently, new ...