Buscar
Itens para a visualização no momento 91-99 of 99
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 ...
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) ...
Computational modeling of rubber multiaxial pressing applied to ceramic materials
(Universidade Federal de São Carlos, 2021-04-07)
Uniaxial and isostatic powder pressing are well known processes. However, disadvantages such as the production of heterogeneous parts or low productivity, respectively, are intrinsic drawbacks. Rubber Multiaxial Pressing ...
Efeito do teor de titânio no endurecimento por precipitação em uma liga à base de Co-Ni e consequências nas propriedades mecânicas
(Universidade Federal de São Carlos, 2021-04-19)
The alloy subject of this study, designated by the Unified Numbering System,
R30035 and internationally known as MP35N®, is a 35 Ni – 33.5 Co – 20.5 Cr – 9.5
Mo alloy with very-high mechanical strength, ductility, and ...
Tubos em compósito de epóxi reforçado com fibra de vidro produzidos pelo processo de enrolamento filamentar para aplicação na indústria petroquímica
(Universidade Federal de São Carlos, 2021-11-25)
This work is focused on the production and mechanical performance evaluation of filament-wound flat plates and pipes using different composite compositions of three distinct commercial high glass transition epoxy resins ...
Estudo da cinética de cristalização não-isotérmica de nanocompósitos de PLA/Haloisita
(Universidade Federal de São Carlos, 2021-08-27)
Poly(lactic acid) (PLA) is a biodegradable and biocompatible thermoplastic obtained from renewable sources and with similar properties when compared with petroleum-based polymers. The inclusion of nanoparticles is an ...
Caracterização de interfaces para aplicações em ultra-alto vácuo através de brasagem dissimilar entre nitreto de boro hexagonal (h-BN), a liga de adição Ag-Cu-Ti e o Mo metálico
(Universidade Federal de São Carlos, 2020-08-14)
This work aimed to evaluate the vacuum brazing of h-BN/Mo systems for fabrication of the BPM (Beam Position Monitor) in synchrotron radiation beam. The h-BN has low surface wettability and is difficult to weld. The materials ...
Desenvolvimento de vitrocerâmicos transparentes resistentes ao impacto
(Universidade Federal de São Carlos, 2021-11-11)
Transparent glass-ceramics (GCs) can replace glasses traditionally used as ballistic windows and electronic displays due to their better mechanical properties. This improvement is obtained by the crystallization of phases ...