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Obtenção e caracterização de nanocompósitos de poliuretano termoplástico reforçado com nanocristais de celulose
(Universidade Federal de São Carlos, 2014-07-15)
In this study the potential of cellulose nanocrystals (CNC) as a
reinforcement of a thermoplastic polyurethane partially obtained from renewable
sources (Bio-TPU) was investigated. The nanocomposites were obtained in ...
Compósitos de nanofibrilas de celulose de bagaço de cana-de-açúcar e nanopartículas lamelares: caracterização de dispersões, filmes e filamentos
(Universidade Federal de São Carlos, 2023-02-27)
Cellulosic materials have great importance for industry and scientific research due to their availability, thermomechanical properties, biocompatible aspects and advantages for circular economy strategies and prioritization ...
Preparação, caracterização e otimização de biocompósitos poliméricos comestíveis reforçados com fibras vegetais
(Universidade Federal de São Carlos, 2017-05-19)
The ever-growing environmental concern arising from the unrestricted exploitation of fossil raw materials for the massive production of non-biodegradable materials, guided by the rapid increase in the world population as ...
Vitrocerâmicas condutoras de íon lítio com estrutura do tipo Nasicon baseadas no sistema Li1+X CrX (GeY Ti1-Y)2-X (PO4)3
(Universidade Federal de São Carlos, 2018-03-22)
The primary goal of this work is to develop a new NASICON-structured glass-ceramic with high
Li-ion conductivity. Therefore, this work introduces a new series of NASICON-type compositions
based on the Li1+xCrx(GeyTi1-y)2-x(PO4)3 ...
Cerâmica de titanato de lantânio e lítio: sistematização de obtenção e crescimento de grão orientado induzido via cristais de aluminato de lantânio
(Universidade Federal de São Carlos, 2018-09-10)
The research based on ionic conductive ceramics is part of the scientific innovation efforts applied to the industry of solid state batteries and sensors, which are fundamental for the development of new, more efficient ...
Estudo de elastômeros termoplásticos vulcanizados (TPVs) de borracha natural e polipropileno
(Universidade Federal de São Carlos, 2015-12-21)
Natural rubber (NR) is used for the preparation of several articles in domestic, industrial and automotive worldwide. However, for the NR can be used in these applications it must be vulcanized hindering their recyclability, ...
Seleção de aditivos de sinterização e processamento cerâmico visando otimização da microestrutura do eletróllto sólido BaZr0,8Y0,2O3-δ
(Universidade Federal de São Carlos, 2018-11-12)
In this thesis, we investigated the production of Yttrium-doped Barium Zirconate
proton-conducting electrolytes with 20 at.% of Yttrium (BaZr0.8Y0.2O3-δ) via solid state
reaction. The great challenge presented by this ...
Estudo dos efeitos da substituição de Feldspato por Filito em massas de porcelanato
(Universidade Federal de São Carlos, 2018-11-21)
Porcelain stoneware tiles, porcelanatos, present excellent technical and aesthetic characteristics. In Europe, the bodies used in the manufacture of porcelain and porcelanatos are based on the classic triaxial ceramic, ...
Estudo de microscopia eletrônica de transmissão in situ de nanoestrutura de óxidos mistos em altas temperaturas
(Universidade Federal de São Carlos, 2018-09-19)
This work addresses the characterization of the high temperature reactions between different nanoparticles oxides, CeO2-ZrO2 and CeO2-SnO2, by the direct observation of the phenomenon by in situ Transmission Electron ...
Sinterização diferencial e auto-tensionamento: efeitos na condutividade elétrica da Zircônia estabilizada com Ítria
(Universidade Federal de São Carlos, 2019-06-19)
Recent researches indicate the possibility of increasing Yttria Stabilized
Zirconia (YSZ) electrical conductivity by generating stress states in the material,
by applying external loads or by its insertion in multilayer ...