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Desenvolvimento de vidro metálico de elevada resistência à corrosão e ao desgaste utilizando ferro-gusa como precursor
(Universidade Federal de São Carlos, 2023-08-01)
Metallic glasses exhibit exceptional properties such as high mechanical strength, thermal stability, and excellent magnetic properties. In this study, our aim was to develop a high corrosion and wear-resistant metallic ...
Caracterização microestrutural, eletroquímica e tribológica de revestimentos HVAF Fe₆₈Cr₈Mo₄Nb₄B₁₆
(Universidade Federal de São Carlos, 2023-02-28)
High corrosion and wear resistance are basic requirements for materials that operate in aggressive environments such as those found in the petrochemical, mining and agro-industry industries. Fe-Cr-B-based vitreous/nanocrystalline ...
Passivação de aços contendo baixo cromo (4 - 6 %massa) como reforços de matrizes cimentícias curadas por carbonatação
(Universidade Federal de São Carlos, 2023-08-08)
Reinforced concrete, composed of Portland cement and carbon steel, is an affordable material for projects, with satisfactory mechanical properties for civil construction. The alkaline solution in the concrete's pores ...
Manufatura aditiva a laser e fusão a arco da liga Ti-15Nb de baixo módulo de elasticidade para aplicações biomédicas
(Universidade Federal de São Carlos, 2023-06-30)
Ti alloys are acclaimed for biomedical applications due to their excellent mechanical, biocompatibility and corrosion resistance properties. Based on these characteristics, pure Ti and different Ti alloys have been applied ...
Design de aços inoxidáveis austeníticos de alto teor de nitrogênio via triagem de alto desempenho por método CALPHAD
(Universidade Federal de São Carlos, 2023-07-21)
Nickel is essential for austenitic stainless steels of the 3xx class (8-10 wt%) due to its austenitizing character. However, its notorious price volatility directly affects the stainless steel industry. In light of this, ...
Bibliometria e análise de conteúdo sobre o ensino por competências na educação em engenharia de materiais
(Universidade Federal de São Carlos, 2022-04-08)
Engineering education is a field of great importance, due to its ability to graduate strategic professionals to support the socioeconomic growth of the countries. Materials Engineering, for instance, emerged in Brazil with ...
Descrição termodinâmica via CALPHAD do líquido super-resfriado no Sistema Mo-Nb-B com o modelo de 2-Estados
(Universidade Federal de São Carlos, 2021-08-12)
In the present work, we will use the Thermo-CalcTM software to model
with the CALPHAD method the super-cooled liquid (SCL) that leads to the
formation of metallic vitreous materials. This research aims to improve ...
Avaliação das propriedades de armazenagem de hidrogênio através de reação sólido-gás e eletroquímica da liga multicomponente (TiNb)(CrMnFe)₂ com estrutura de Fase Laves tipo C14
(Universidade Federal de São Carlos, 2023-02-24)
Hydrogen is critical for storage and transport of renewable energy. Because it is low-density gas, one of the biggest challenges of its widespread use as an energy vector is in its hardly storage. Metal hydrides are strategic ...
Produção por fusão seletiva a laser de revestimentos resistentes ao desgaste utilizando a liga Fe68Cr8Mo4Nb4B16
(Universidade Federal de São Carlos, 2021-06-29)
Amorphous/crystalline Fe-based alloys are promising materials as protective coatings due to their high crystallization temperatures, high hardness and excellent resistance against corrosion and wear. The application of ...
Influência da adição de Nb-B na microestrutura de solidificação da liga Al-0,8%Mg-0,7%Si (6201)
(Universidade Federal de São Carlos, 2022-04-11)
The AA6201 alloy, widely used in the manufacturing of power cables, was modified by the addition of a Al-Nb-B master alloy in order to investigate the possible effects on the microstructure. Therefore, the Al-0.8%Mg-0.7%Si ...