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Now showing items 11-20 of 20
Study of bioactivity, corrosion resistance and fatigue behavior of Ti-12Mo-6Zr-2Fe alloy after different surface treatments
(Universidade Federal de São Carlos, 2020-11-19)
Demand for new implants with improved bioactivity, corrosion resistance, and optimal mechanical properties has been increasing considerably. In this sense, different surface treatments are applied in titanium alloys to ...
Efeito da adição de Al e C na evolução microestrutural e no comportamento mecânico de aços austeníticos de baixa densidade com alto teor de Mn
(Universidade Federal de São Carlos, 2021-05-20)
Low-density steels are advanced materials that are being developed mainly for the automotive industry to reduce the structural weight of cars. The most common studied compositions comprise FeMnAlC variations, in which both ...
Efeito da microadição de oxigênio na estabilidade microestrutural da liga Ti-29Nb-13Ta-4,6Zr processada via deformação plástica severa e envelhecimento
(Universidade Federal de São Carlos, 2021-02-24)
Gum Metal corresponds to a family of β-Ti alloys that are currently receiving great attention due to its outstanding properties such as low elastic modulus, superelasticity, and high tensile strength. These alloys show ...
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 ...
Influência de modificações superficiais na resistência à corrosão e na bioatividade da liga beta ti-40nb para aplicações biomédicas
(Universidade Federal de São Carlos, 2021-07-30)
β-titanium (Ti) alloys have great applicability in the biomedical area due to
properties such as low density, high corrosion resistance, low elasticity modulus
(E), and biocompatibility. However, these alloys are not ...
Solidificação, desenvolvimento microestrutural, propriedades mecânicas, elétricas e de corrosão de ligas Al-Si(-Ag)
(Universidade Federal de São Carlos, 2021-10-27)
In the last years, the development of new light and efficient systems in electric vehicles (EV) opens up new research opportunities. Besides that, the need for internal combustion engine components with optimized properties ...
Desenvolvimento microestrutural, resistências mecânica e à corrosão de ligas Mg-Si e Mg-Si-Zn para aplicações biomédicas
(Universidade Federal de São Carlos, 2024-03-06)
The absorbable alloys, especially those based on Mg, have stood out in biomedical applications due to the possibility of eliminating the need for implant removal surgeries. In the scope of this PhD study, Mg-0.6%Si, ...
Desenvolvimento de aços de baixa densidade FeMnAlC com adição de Ti e B: influência do processamento na microestrutura e nas propriedades
(Universidade Federal de São Carlos, 2024-05-13)
The FeMnAlC steels are highlighted in the current scientific field thanks to the great demand from the automotive industry for advanced materials with high specific strength. Aluminum is one of the main elements responsible ...
Microestrutura e propriedades mecânicas da liga Al7SiMg contaminada com 2,8%Fe e processada por fusão seletiva a laser
(Universidade Federal de São Carlos, 2022-06-28)
The solidification kinetics imposed by Selective Laser Melting (SLM) leads the microstructure of the manufactured metallic components to present intrinsic characteristics such as: microstructural and phase refinement, ...
Tailoring the composition of the AA2017 to reduce its hot cracking susceptibility during LPBF
(Universidade Federal de São Carlos, 2024-09-06)
Laser Powder Bed Fusion (LPBF) holds significant importance and research interest because of its capability to fabricate metallic components with intricate geometries that are challenging to replicate using traditional ...