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Modificação microestrutural da liga de magnésio AZ31 por fricção e mistura a altas velocidades
(Universidade Federal de São Carlos, 2015-07-03)
Due to the current growth in the fossil fuels consumption, there is a great concern about the increase in pollutant emissions. In order to reduce these emissions, research indicates that the decrease in vehicle weight can ...
Análise do comportamento termomecânico e da evolução microestrutural durante a laminação de tiras a quente de aços C-Mn via DEFORM™ 3D
(Universidade Federal de São Carlos, 2015-02-26)
Improving the steel processing is a major focus of the metallurgical industry because
the need of materials and products with lower weight and more strength,
in addition to increasingly stringent specifications imposed ...
Comportamento em fadiga de hastes femorais para artroplastia de quadril com superfícies modificadas
(Universidade Federal de São Carlos, 2015-07-20)
Nowadays, titanium and its alloys are the materials of choice for the
production of implants for hip arthroplasty, a surgery that aims for the
improvement of the quality of life of patients that bear articular pathologies ...
Mecanismo de solidificação de ligas do sistema Al-Mn-Ce ricas em Al sob diferentes taxas de resfriamento
(Universidade Federal de São Carlos, 2015-07-07)
The aircraft industry search for light weight materials to produce lower density parts for increased energy efficiency of fuels was focused in recent years in searching new alloy systems with high mechanical strength and ...
Soldagem pontual por fricção (FSpW) de poliamida 6
(Universidade Federal de São Carlos, 2015-08-03)
Friction Spot Welding (FSpW) is an innovative technique developed and
patented in 2005 by the Helmholtz Zentrum Geesthacht (HZG) research center
in Germany. FSpW uses the friction between a rotating tool and the ...
Refill Friction Stir Spot Welding: evaluation of the welding of AA2198-T8 sheets and preliminary tool wear investigation
(Universidade Federal de São Carlos, 2019-04-26)
Refill Friction Stir Spot Welding (RFSSW) is an innovative method for joining similar and dissimilar lightweight metallic materials or thermoplastics. This technique has the advantage of issuing energy savings, producing ...
Moagem de alta energia e deformação plástica severa do Mg e do Mg-Fe na síntese de hidretos para armazenagem de hidrogênio
(Universidade Federal de São Carlos, 2017-03-04)
Magnesium is a light metal with a relatively low cost. It can form magnesium hydride (MgH2), which is interesting for the safe storage of hydrogen in the solid state, thanks to its high gravimetric capacity of 7.6%. The ...
Previsão do posicionamento de partículas de nanosílica numa blenda polimérica imiscível e comprovação via turbidimetria
(Universidade Federal de São Carlos, 2016-03-07)
The optical behavior of polymer systems with nanoparticles was studied in order to quickly assess the location of the nanoparticles in the immiscible polymer blend phases and interface using optical microscopy. The systems ...
Identificação de um modelo constitutivo para simulação computacional do processo de prensagem a frio de um material refratário sílico-aluminoso
(Universidade Federal de São Carlos, 2016-08-05)
One of the methods for the processing of refractory material is cold pressing of the powder material, followed by sintering. Heterogeneous distribution of density can occur in the green compact during pressing because of ...
Resistência à corrosão e ao desgaste de recobrimentos metálicos produzidos com ligas amorfizáveis a base de ferro
(Universidade Federal de São Carlos, 2014-09-15)
Amorphous Iron-based alloys can be processed in such a way that, if
well designed, it can ensure an attractive combination of mechanical and
electrochemical properties, particularly in petrochemical industries where ...