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Now showing items 661-670 of 737
Seleção de sistemas de isolamento térmico multi-componentes para fornos de altas temperaturas baseada no desempenho térmico
(Universidade Federal de São Carlos, 2019-12-04)
Controlled heating through furnace development has allowed the humankind to mold the matter to obtain various products for several different purposes. However, some of them require high-temperature processes so that the ...
Caracterização eletroquímica do eletrólito sólido NASICON Li1,5Al0,5Ge1,5(PO4)3 (LAGP)
(Universidade Federal de São Carlos, 2021-08-17)
Solutions to the environmental and social challenges of postmodern society converge on a common point: sustainability. Doing more with less and using environmentally friendly materials is imperative. Energy storage is ...
Desenvolvimento de nanocompósitos híbridos a partir de nanopartículas de magnetita funcionalizadas com macromoléculas de polietilenoglicol
(Universidade Federal de São Carlos, 2019-08-30)
New technologies aim for new materials. The increase in search for new materials with hybrid properties is growing exponentially. Polymers, metals and ceramics may be exposed within their application areas, but they cover ...
Estudo do comportamento mecânico das ligas de titânio beta metaestável TMZF e Ti15%Mo durante processamento termomecânico
(Universidade Federal de São Carlos, 2020-10-02)
Stress-strain curves of two metastable beta titanium alloys, the Ti-15%Mo alloy and the TMZF alloy were evaluated. The curves were obtained from isothermal hot compression tests in a temperature range from 650 to 900 ° C, ...
Desenvolvimento de sachês biodegradáveis à base de amido para liberação do micronutriente zinco
(Universidade Federal de São Carlos, 2020-08-31)
Due to the great importance of agriculture in human activities and the economy,
studies have been directed in order to increase the efficiency of agricultural
production. This project aimed to increase zinc oxide (ZnO) ...
Influência da adição de Co e Ni e da taxa de resfriamento na microestrutura de solidificação, nas propriedades mecânicas e na corrosão de ligas Al-Si-Cu-Zn-Fe
(Universidade Federal de São Carlos, 2022-11-28)
An important strategy by 2050 will be to transform the production of recycled Al-Si alloys as a viable and sustainable source to reach the global demand for Al. The challenge will be to mitigate the deleterious effects ...
Efeitos de baixos teores de aditivos (TiFe, Fe, TiAl, Nb₂O₅) na cinética de absorção e dessorção de hidrogênio pelo sistema Mg/MgH₂
(Universidade Federal de São Carlos, 2021-08-31)
The hydrogen economy holds great promise in supplying our planet's urgent clean energy needs. The effective and safe hydrogen storage remains a major technological challenge. Thus, the H2 storage in metal hydrides of light ...
Nano céria dopada com gadolínia: condutividade elétrica e correlação com a micro e nanoestrutura
(Universidade Federal de São Carlos, 2013-04-11)
Solid Oxide Fuel Cells (SOFCs) are clean and efficient energy conversion devices, considered as one of the key enabling technologies for future hydrogen economy and for stationary power generation. However novel materials ...
Estudo termomecânico da fratura de blocos refratários eletrofundidos aplicados em fornos de fusão de vidro via simulações computacionais
(Universidade Federal de São Carlos, 2022-07-14)
Currently there is a great motivation and need for advances in the understanding
of the best operating conditions of industrial equipment. As far as glass
production is concerned, one action field is the search for ...
Desenvolvimento de ligas amorfas e nanocristalinas do sistema Fe-Cr-Ni-B e suas propriedades de corrosão
(Universidade Federal de São Carlos, 2019-02-14)
Fe-Cr-Ni-B system alloys with partially amorphous structures can ensure a very attractive combination of mechanical and electrochemical properties, far superior to conventional materials. It can be used, for example, in ...