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Armazenagem de hidrogênio em nanocompósitos MgH2- aditivos à base de Fe e Nb, produzidos por moagem de alta energia e laminação a frio
(Universidade Federal de São Carlos, 2012-12-03)
Mg-based nanocomposites are considered promising materials for hydrogen storage in the solid state. In this work, Mg-based nanocomposites containing iron-based (Fe, Fe2O3, FeF3) and niobium-based (Nb, Nb2O5, NbF5) additives ...
Deformação plástica severa em temperaturas ambiente e criogênica, de Ti comercialmente puro
(Universidade Federal de São Carlos, 2015-01-28)
One of the most probable fields of applications of Severe Plastic Deformation (SPD) processes is that of biological implants, and the most investigated metallic material in this context is titanium and its alloys. The ...
Aplicação de estruturas zeolíticas de imidazólio (ZIFs) no desenvolvimento de membranas de matriz mista para separação de gases
(Universidade Federal de São Carlos, 2012-12-13)
Mixed matrix membranes based on a glassy polymer and a zeolite with organic character were developed, in order to evaluate whether the organic character of the ZIF-8 would favor its incorporation in the polymer matrix as ...
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 ...
Influência da adição de cério na microestrutura e comportamento de oxidação de aços inoxidáveis Fe-Mn-Si-Cr-Ni com efeito de memória de forma
(Universidade Federal de São Carlos, 2020-01-15)
In this study, the influence of small cerium additions on the microstructure and
oxidation behavior of Fe-Mn-Si-Cr-Ni shape memory stainless steels (SMSSs)
was investigated. The results show that the Ce addition in the ...
Concretos refratários avançados contendo nano-óxidos produzidos pelo Método Pechini
(Universidade Federal de São Carlos, 2018-06-06)
Recently there is a great effort to use the benefits of nanometric powders additions in the matrices of advanced refractory concretes of ; low (LC), ultra low (ULC) and no cement (NC) refractory concretes, in order to make ...
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 ...
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 ...
Desenvolvimento de biocompósitos de Poli (ácido láctico)/biocargas para impressão 3d de scaffolds para engenharia de tecidos ósseos
(Universidade Federal de São Carlos, 2020-08-11)
As life expectancy increases worldwide, there is an increased need for orthopedic procedures to repair bone defects resulting from trauma. In this context, new surgical procedures and bone repair materials, such as scaffolds ...
Desenvolvimento de cerâmicas refratárias engenheiradas densas e porosas
(Universidade Federal de São Carlos, 2019-09-04)
High temperature processes are of great importance as they are widely applied in the manufacture of commodities, consumer goods and advanced materials. For these processes to be possible, the thermal environment in which ...