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Mostrando ítems 11-20 de 88
Reaproveitamento de resíduos da agroindústria da laranja para a produção de compostos biodegradáveis em matriz de PBS
(Universidade Federal de São Carlos, 2021-09-24)
The employment of biodegradable polymers is a partial solution to the problem of environmental plastic pollution, since conventional polymers are resistant to many environmental influences and it may take centuries for ...
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 ...
Obtenção de mantas de poli (ácido lático) por fiação por sopro em solução e sua caracterização para uso em sistemas de microfiltração
(Universidade Federal de São Carlos, 2020-05-27)
In order to remediate the difficulty of access to safe drinking water by 1/3 of the world population and the need to use new processes for obtaining materials, membranes produced by solution blow spinning (SBS) have a great ...
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, ...
Formação de hexaluminato de cálcio in situ em refratários macroporosos: caminhos para o desenvolvimento de isolantes térmicos mais eficientes e ecológicos
(Universidade Federal de São Carlos, 2020-07-28)
Macroporous thermal insulators have recently emerged industrial interest due to their low thermal conductivity and toxicity compared to fiber-based insulators. Nonetheless, some challenges need to be overcome to enable a ...
Caracterização microestrutural e mecânica da liga Ti-35Nb-7Zr-5Ta produzida por fusão seletiva à laser
(Universidade Federal de São Carlos, 2020-08-10)
Selective Laser Melting (SLM) is an additive manufacturing technique that
consists of a layer-by-layer fusion of a powder bed by scanning a laser enabling
the production of full density parts accordingly to a 3D CAD model ...
Refill friction stir spot welding of AA6016-T4 aluminum alloy: study of new load-controlled process
(Universidade Federal de São Carlos, 2020-06-29)
Aiming at structural weight reduction and energy efficiency, aluminum alloys have been considered as potential materials for automobile manufacturing. The development of technologies able to join aluminum alloys more ...
Efeito do revenimento sobre a resistência à corrosão do aço inoxidável uns s41426
(Universidade Federal de São Carlos, 2020-02-28)
Supermartensitic stainless steels were developed during the 1990s as an alternative to duplex stainless steels for manufacture of oil country tubular goods. As a result of microstructural variations caused during tempering ...
Weldability of AA5083-O/H111 and naval GL D36 steel lap joints by friction stir welding
(Universidade Federal de São Carlos, 2021-01-25)
Steel structures welded with aluminum alloys, which combine the low cost and high mechanical strength of steel with the weight reduction and the excellent specific properties of the aluminum alloys, are in great demand. ...
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 ...