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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 ...
Estudo do tratamento térmico de envelhecimento em patamar simples e duplo da liga UNS N09925
(Universidade Federal de São Carlos, 2023-05-29)
It is well known that several researches related to the development of renewable and alternative energy sources are currently in course. However, with the continuous increase on energy demand around the world, it is still ...
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, ...
Avaliação da solidificação e da interface de reação de juntas soldadas de ligas Sn-Bi E Sn-Bi-In em substratos de cobre e níquel
(Universidade Federal de São Carlos, 2024-03-05)
In order to explore the potential of Sn-Bi-In alloy utilization in soldering operations, the present proposal analyzed the influence of In addition (10 wt.%) on solidification, microstructure, wettability, tensile properties, ...
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, ...
Design of Ti-Nb-Cr alloys for hydrogen storage: exploring hydride destabilization through Nb/Ti ratio adjustment
(Universidade Federal de São Carlos, 2024-07-23)
Hydrogen is emerging as a promising alternative to fossil fuels amidst concerns over depleting reserves and environmental impacts. However, efficient hydrogen storage remains a significant challenge for widespread application. ...
Avaliação do efeito de ordenamento atômico nas propriedades da liga de elemento multiprincipal Cr33Co33Ni33
(Universidade Federal de São Carlos, 2024-02-23)
Previously, it was believed that Multi-Principal Element Alloys (MPEAs) were constituted as a random solid solution. However, recent studies have analyzed the contribution of the mixing enthalpy to the Gibbs free energy ...
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 ...