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Análises térmica e energética no pré-aquecimento do revestimento refratário de panelas de aciaria via métodos numéricos e experimentais
(Universidade Federal de São Carlos, 2022-04-28)
Preheating the refractory lining of industrial equipment usually consumes substantial amounts of energy. This step is usually time consuming and impacts the costs and productivity of several economic sectors. Therefore, ...
Estudo da viabilidade de formação de nitreto de boro em aços inoxidáveis ferríticos
(Universidade Federal de São Carlos, 2020-03-02)
Since the 90s, the petroleum industry has been conducting research on alloys that are wear and corrosion resistant once several equipment parts used in the oil exploitation, extraction and production, such as pipes, joints, ...
Otimização da condutividade iônica de vitrocerâmicas condutoras por íon sódio: controle microestrutural e busca de novas composições
(Universidade Federal de São Carlos, 2020-04-03)
Sodium-based materials are promising candidates for manufacturing stationary storage devices such as batteries due to their low cost and the Na high redox potential. However, the corrosion, flammability, and the degradation ...
Previsão de viscosidade e temperatura liquidus de vidros óxidos via redes neurais artificiais
(Universidade Federal de São Carlos, 2020-04-30)
The number of glass compositions that have already been studied (~10^5) is many times smaller than the potential glass compositions (~10^52). The traditional method “cook and look” all of the potential compositions to ...
Perspectivas e estratégias para melhoria da educação em engenharia de materiais brasileira
(Universidade Federal de São Carlos, 2020-09-10)
Engineering Education (EE) has greatly expanded in Brazil over the last decades and, over the last few years, some criticisms to the Brazilian EE started to gain traction. A reform to the national guidelines for engineering ...
Influence of Bobbin Tool Friction Stir Welding (BT-FSW) variants on the microstructure and properties of AA2060 and AA2196 aluminum alloys
(Universidade Federal de São Carlos, 2020-06-18)
In order to reduce total costs in aircrafts production, operation and maintenance, materials and processing techniques have been continuously further optimized. In this scenario, aluminum-lithium alloys have been studied ...
Analysis of tool traverse speed in Friction Stir Welding of AZ31 Magnesium alloy thin plates
(Universidade Federal de São Carlos, 2021-02-25)
The automotive industry's great interest in lightweight materials, such as
magnesium alloy AZ31, reflects the growing importance of reducing cars' weight.
One of the challenges of using such alloys is that their welding ...
Influência da adição de cério na resistência à corrosão e efeito de memória de forma em ligas Fe-Mn-Si-Cr-Ni-(Ce)
(Universidade Federal de São Carlos, 2020-09-03)
The interest in scientific and technological development of Fe-Mn-Si-Cr-Ni shape memory alloys is increasing in the last years. The improvement of key properties of theses alloys should enable its use in different applications, ...
Mineração de textos de patentes para monitoramento tecnológico, identificação de aplicações e seleção de materiais: estudo de caso em desenvolvimentos de aços
(Universidade Federal de São Carlos, 2020-11-26)
The growing number of options in materials leads to increasing complexity of the process to select the most suitable to perform a function in a product or to choose a competitive application for a newly developed material. ...
Armazenagem eletroquímica de hidrogênio: um estudo do comportamento dos metais Pd, Nb e V
(Universidade Federal de São Carlos, 2020-07-22)
Developing safe, reliable, efficient and cost-effective methods for hydrogen storage is a scientific and technological challenge. Among possible methods to store hydrogen, storing it in tanks in the liquid or compressed ...