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Simulação de Monte Carlo na avaliação de produtos financeiros complexos da CGD
Oliveira, Filipe José PereiraO presente relatório é desenvolvido no âmbito do Mestrado em Economia, com especialização na área de Economia Financeira, da Faculdade de Economia da Universidade de Coimbra. Este relatório procura reproduzir, de forma sucinta, a realização de um estágio curricular na Caixa Geral de Depósitos na Agência Central de Coimbra, pelo período de 4 meses. Este trabalho encontra-se dividido em três secções. Na primeira ...
Electrochemical behavior of Ti/Al2O3 interfaces produced by diffusion bonding
Rocha,Luis Augusto; Ariza,Edith; Costa,Angela Maria; Oliveira,Filipe José; Silva,Rui FerreiraIn the field of biomedical applications a special interest exists regarding the study of the physicochemical and mechanical behaviour of materials, with special focus on the electrochemical degradation of metal/ceramic interfaces. In fact, metal/ceramic interfaces may be present in several biomedical devices, ranging from external or implantable sensors, to dental implants. Diffusion bonding represents an impor...
Electrochemical behavior of Ti/Al2O3 interfaces produced by diffusion bonding
Rocha, L. A.; Ariza, E.; Costa, Angela Maria; Oliveira, Filipe José; Silva, R. F.In the field of biomedical applications a special interest exists regarding the study of the physicochemical and mechanical behaviour of materials, with special focus on the electrochemical degradation of metal/ceramic interfaces. In fact, etal/ceramic interfaces may be present in several biomedical devices, ranging from external or implantable sensors, to dental implants. Diffusion bonding represents an import...
Modeling of chemical wear in ferrous alloys/silicon nitride contacts during hig...
Silva, R. F.; Oliveira, Filipe José; Castro, F.; Vieira, J. M.The wear resistance of SisN4 in machining of iron alloys can be surprisingly low due to chemical affinity for dissolution in the metal. This limits the use of SisN4 inserts in high speed machining of steels, while Si3N4 retains the best performance of all cutting materials in turning of grey cast iron, a different ferrous alloy. The chemical wear of several ceramics has been investigated on the basis of dissol...
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