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Atomização a gás da liga de alumínio AA2017: efeitos dos parâmetros de processo nas características físicas dos pós produzidos visando aplicação em manufatura aditiva
(Universidade Federal de São Carlos, 2022-07-15)
Gas atomization is the main method to produce metal powders for LASER powder bed fusion (L-PBF), which is an additive manufacturing (AM) technique. It produces metallic powders with suitable characteristics to be applied ...
Efeito do tamanho e distribuição de tamanho inicial das partículas da hematita, na cinética de sinterização assistida por micro-ondas
(Universidade Federal de São Carlos, 2021-11-26)
This thesis aimed to study the effect of the initial particle size and its
distribution of hematite on microwave-assisted sintering kinetics. Two synthesis
methods were used: sol-gel and seeded-mediated growth. By sol-gel ...
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 ...
Vitrocerâmicas de silicato de lítio com gradientes microestruturais - simulações e experimentos
(Universidade Federal de São Carlos, 2022-08-08)
The microstructure of glass-ceramics (GCs) depends on their chemical
composition and thermal history, from the cooling of the precursor glass to the
heat treatments. In glass production, the cooling rate on the surface ...
Desenvolvimento de compósito de HDPE verde com hidroxiapatita e união com Ti6Al4V através de sobremoldagem por injeção
(Universidade Federal de São Carlos, 2023-10-10)
This thesis addresses the development of a composite of green high-density polyethylene (G-HDPE) and hydroxyapatite (HA), compatibilized with high-density polyethylene functionalized with maleic anhydride (HDPE-g-MAH). It ...
Desenvolvimento de vidro cristal de nióbio guiado por inteligência artificial
(Universidade Federal de São Carlos, 2022-05-27)
Utensils containing lead have been used for centuries, but the need to reduce exposure to this metal has encouraged the search for lead-free materials. Artificial neural networks (ANN) were used in this work as a tool in ...
Produção de plásticos biodegradáveis à base de queratina extraída de penas de frango por rotas verdes
(Universidade Federal de São Carlos, 2023-10-23)
Chicken feather is a by-product widely generated by the poultry agroindustry. However, its large-scale production and the challenges associated with waste management raise substantial concerns about its environmental ...
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, ...
Avaliação das propriedades do ligante asfáltico modificado com borracha de pneus tratada por processo termomecânico
(Universidade Federal de São Carlos, 2023-05-30)
Tire recycling poses a challenge due to its non-biodegradable nature and the increasing volume of waste. The asphalt paving industry plays a crucial role by incorporating ground tire rubber (GTR) into modified asphalt ...