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Regeneração de rejeito espuma de SBR através de extrusão no estado sólido e incorporação em SBR virgem
(Universidade Federal de São Carlos, 2017-09-29)
The objective of the present work is the study of the recycling of vulcanized rubber foam waste from the footwear industry through the solid state extrusion process known as Solid State Shear Extrusion (SSSE). The industrial ...
Desenvolvimento de compósitos poliméricos flexíveis com alta constante dielétrica obtidos a partir de polímeros baseados em pvdf e da perovskita ncbcto
(Universidade Federal de São Carlos, 2018-12-19)
The objective of this thesis was to produce polymer/perovskite based composites to be used as supercapacitors; the composites were made by incorporating an specified type of perovskite (Na1/3Ca1/3Bi1/3Cu3Ti4O12, NCBCTO) ...
Blendas de amido termoplástico e PBAT processadas com auxílio da pulverização por cisalhamento no estado sólido
(Universidade Federal de São Carlos, 2018-02-07)
The use of biodegradable materials arise as a potential alternative for reducing environmental polution. For being found in abundance, low cost, biodegradable and provided from renewable source, starch has been a ...
Degradação em processamento, cinética de cristalização e policondensação no estado sólido de poli(ácido láctico)
(Universidade Federal de São Carlos, 2018-08-31)
In this work, the degradation of poly (lactic acid) (PLA) within conditions
of high temperature, shear stress and humidity was studied. In addition to that,
the crystallization kinetics of these degraded materials was ...
Identificação dos parâmetros do modelo de Drucker-Prager/CAP para estudo da densificação mecânica de alumina atomizada
(Universidade Federal de São Carlos, 2019-06-27)
Pressing followed by sintering is among the most versatile materials processing
routes and suits different classes of materials: ceramic, polymeric and metallic.
In the last decade, this processing route has been gaining ...
Avaliação do efeito de agentes hidrofugantes nas características de telhas onduladas de fibrocimento sem amianto
(Universidade Federal de São Carlos, 2019-07-22)
The fiber cement is a material of great applicability in the branch of the civil construction, due to its characteristics, versatility and low cost, that makes it an accessible element. Fiber cement corrugated tiles are ...
Synthesis and graphitization of phenolic resins for carbon-containing refractory applications
(Universidade Federal de São Carlos, 2020-02-03)
Carbon-containing refractories’ (CCRs) present special chemical and thermomechanical properties, which depend on the presence of carbonaceous phase with a structure similar to those of graphite. However, phenolic resins ...
Estudo da obtenção de nitreto de boro hexagonal por rotas de síntese assistidas por micro-ondas
(Universidade Federal de São Carlos, 2018-02-05)
Boron nitride (h-BN) is an attractive ceramic material that combines
excellent thermal, electrical and chemical properties. The combination of these
properties makes h-BN useful in the manufacturing of lubricants, ...
Estabilidade e habilidade de formação de vidros óxidos
(Universidade Federal de São Carlos, 2020-03-02)
The glass-forming ability (GFA) is a measure of the easiness of vitrification of a liquid during cooling from the liquidus temperature. The GFA is inversely proportional to the critical cooling rate (Rc), whose determination ...
Identificação de um modelo viscoelástico para o comportamento de relaxação de tensões do PTFE sob compressão e em temperatura ambiente
(Universidade Federal de São Carlos, 2019-08-29)
The identification of viscoelastic models is important for the design of polymeric parts by making the mechanical behavior of the material predictable under critical conditions. However, the characterization of this behavior ...