Buscar
Itens para a visualização no momento 1-10 of 536
Simulação computacional em escala microestrutural de compósitos cerâmicos
(Universidade Federal de São Carlos, 2017-02-13)
The study of ceramic composites assisted by computer simulation is well spread
nowadays. It is an interest of the ceramic industry the development of materials
models trustfully enough to reduce cost with prototypes and ...
Influência de diferentes aditivos nucleantes na morfologia e nas propriedades do polipropileno moldado por injeção
(Universidade Federal de São Carlos, 2018-10-25)
Samples of a polypropylene (PP) homopolymer were nucleated with three different nucleating agents: 1,3:2,4-bis (3,4-dimethylobenzylideno) sorbitol (DMDBS), bis(4-propylbenzylidene) propilsorbitol (propilsorbitol), and ...
Influência do processamento no comportamento mecânico de nanocompósitos de poliamida 6 com nanosílica
(Universidade Federal de São Carlos, 2015-10-06)
In this study nanocomposites of polyamide-6 (PA-6) reinforced with silica
nanoparticles (SiO2) were prepared in order to promote improved mechanical
properties for engineering applications. The nanoparticles’ surfaces ...
Aperfeiçoamento de um detector de espalhamento de luz laser em baixo ângulo (LALLS in-line) para acompanhamento em tempo real do processo de extrusão
(Universidade Federal de São Carlos, 2015-02-27)
The morphology of extruded multiphase polymer systems is usually
assessed through off-line characterization methods such as microscopy, which
require much time for sample preparation and analysis of the results. This ...
Estudo de compostos cerâmicos para utilização em coatings de alta emissividade
(Universidade Federal de São Carlos, 2016-02-05)
The constant search for means to reduce the energetic consumption
motivates the use of high emissivity ceramic coatings in many high temperature
applications. Its use aims to increase heat transfer efficiency by radiation ...
Avaliação da resistência ao desgaste de revestimentos de aços inoxidáveis modificados com boro e fabricados por Plasma com Arco Transferido (PTA)
(Universidade Federal de São Carlos, 2016-03-07)
The discovery of new promising oil extraction sites in Brazil coast led to a
great search for novel functionalized materials to withstand the demanding conditions
from offshore oil exploitation. Stainless steels, such ...
Eletrólito sólido β/β”-alumina para protótipo de bateria sódio-níquel
(Universidade Federal de São Carlos, 2014-10-07)
Itaipu Binational along with the Swiss company power generation Kraftwerke Oberhasli AG/KWO, are developing a battery of nickel-sodium salt (Na/NiCl2), which uses β/β"-Al2O3 ceramic as solid electrolyte, to apply on electric ...
Estudo de filmes de poli(ácido lático) obtidos por fiação por sopro em solução reforçados com nanocristais de celulose
(Universidade Federal de São Carlos, 2016-07-15)
Solution blow spinning is a technique to produce micro- and nano-scale fibers, forming films with high porosity and surface area. Chemical modifications or the incorporation of nanostructures in these fibers can improve ...
Pesquisa em consolidação do fechamento de vazios internos em produtos forjados no aço W.Nr. 1.2738 modificado
(Universidade Federal de São Carlos, 2018-11-23)
During steel ingot solidification, internal voids are expected to be formed in its interior. Such voids, if they stay in the final product after the forging step, will hurt the performance and properties of the final ...
Aprimoramento de um detector de espalhamento de luz laser em baixo ângulo e seu uso in-line na caracterização morfológica de misturas poliméricas bifásicas
(Universidade Federal de São Carlos, 2019-02-27)
A new prototype of the optical detector based on low angle laser light scattering (LALLS) was developed in order to follow in-line the morphology of polymer blends and composites during processing. For this, light from a ...