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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 ...
Study of rutile-supported anatase nanostructured films as photocatalysts for the degradation of water contaminants
(Universidade Federal de São Carlos, 2015-03-30)
This dissertation studies the application of rutile substrate as an alternative support for anatase films, specifically, on the growth and properties of anatase films. The films were utilized as catalysts for the ...
Influência do defeito tipo cunha no comportamento mecânico de juntas de liga de alumínio 2198 soldadas por fricção por ponto (FSpW)
(Universidade Federal de São Carlos, 2015-02-01)
One of the main considerations in selecting materials to manufacture
aircraft structures is related to weight saving [1]. In this context, the promising
aluminum-lithium alloys have been receiving special attention in ...
Agentes mineralizadores e seus efeitos nas características morfológicas e físico-químicas de aluminas calcinadas
(Universidade Federal de São Carlos, 2015-08-31)
Calcination is an important step in the alumina production process, affecting the final properties of the resulting powder and the attained product. Over the previous decades, attempts have been conducted to understand ...
Processamento e caracterização de ligas a base de magnésio para uso como implantes bioabsorvíveis
(Universidade Federal de São Carlos, 2015-02-23)
Magnesium alloys have attracted great interest for use in temporary orthopedic implants to replace existing materials, due to the combination of physical, mechanical and corrosive properties. A magnesium based alloy ...
Obtenção de nanofibrilas de celulose de árvores pioneiras amazônicas e processamento de nanobiocompósitos de PHBV/nanofibrilas de celulose de eucalipto no estado fundido
(Universidade Federal de São Carlos, 2014-11-24)
This research project aimed to develop high value-added products such as
biodegradable composites reinforced with cellulose nanofibrils (CNF) making use of
Amazonian pioneer plant species, useful in restoration of degraded ...
União pontual por fricção (“friction spot joining”) de alumínio 6181-T4 com compósito laminado de poli(sulfeto de fenileno) e fibra de carbono (CF-PPS)
(Universidade Federal de São Carlos, 2015-02-26)
The friction spot joining (FSpJ) emerges as an alternative and innovative
technique for producing polymer-metal hybrid structures. This technique was
developed and patented by HZG / Germany in 2012. The process uses ...
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 ...
Desenvolvimento de nanocompósitos de blendas PA6/ABS compatibilizadas com copolímeros funcionalizados
(Universidade Federal de São Carlos, 2014-09-22)
Nanocomposites based on polyamide 6 (PA6) and acrylonitrile-butadienestyrene
(ABS) blends compatibilized with styrene-maleic anhydride-acrylonitrile
(SANMA) and methyl methacrylate-maleic anhydride (MA-MMA) were prepared
by ...