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Now showing items 31-40 of 93
Construção de equipamento de tratamento de superfície a plasma com fonte DC pulsada para tratamento de nitretação iônica.
(Universidade Federal de São Carlos, 2017-10-06)
Surface treatment techniques such as plasma aided nitriding, although very well consolidated in the industry, must still be studied well and improved. Based on this idea and with the objective of looking for better treatment ...
Moldagem e comparação de propriedades de compósitos de poli(butileno adipato-co-tereftalato) reforçados com tecidos de fibras vegetais
(Universidade Federal de São Carlos, 2019-03-25)
In recent years, the increasing volume of polymer resin production and use has generated environmental problems caused by the post-consumption disposal of these materials, which become huge amounts of waste due to the ...
Estudo da influência da oxidação a plasma nas propriedades tribológicas da liga metálica TI-6AL-4V.
(Universidade Federal de São Carlos, 2019-03-29)
The oxidation thermal or the plasma on the surface of the titanium mean to improve the surface resistance to corrosion and abrasive wear, increase the surface hardness and increase the thickness of the formed oxide. Oxidation ...
Síntese e caracterização de géis para cromatografia de exclusão por tamanho via reticulação de Acetato de Celulose com 4,4' - Difenilmetano Diisocianato (MDI)
(Universidade Federal de São Carlos, 2016-03-28)
The need to obtain biomaterials in order to reduce environmental impacts has been the focus of research groups in recent years, and cellulose, a dominant component at most forms of plants is a promising resource because ...
Síntese e formação de nanoestruturas e filmes de alumina anódica porosa
(Universidade Federal de São Carlos, 2014-01-30)
This paper presents a methodology for obtaining the porous anodic
alumina. anodization of aluminum in acidic electrolytes may specifically result in
different types of oxide films as a barrier type porous type. Anodic ...
Espectroscopia micro-Raman e MEV/EDS aplicados a minerais do Craton São Francisco: evidência da formação de pirita mediada biogenicamente e suas conexões com a origem da vida
(Universidade Federal de São Carlos, 2019-03-19)
The occurrence and isotopic composition of carbonaceous components in ancient rocks are strong evidence of life forms on the Earth's surface since the Eoarchean (> 3.7 Ga). These organic components are found in rocks formed ...
Estudo da deformação plástica severa por junção por laminação assimétrica acumulada (JLAA) do alumínio AA1050
(Universidade Federal de São Carlos, 2018-04-05)
Aluminum alloys are widely used in the automotive and aerospace industries due to some characteristics such as low density and high corrosion resistance, but their low tensile strength restricts a number of applications. ...
Blenda de Polihidróxibutirato(PHB)/Copoliéster Alifático Aromático (AAC) Ecoflex® reforçada com nanofibras de celulose (NFC): análise da resistência mecânica e propriedades químicas
(Universidade Federal de São Carlos, 2016-03-21)
Due to increasing use of polymeric materials in society and the large volume of
of those materials disposal in nature, the biodegradable polymers have
increased interest in research of materials area. The Polyhydroxybu ...
Síntese, caracterização e adesão celular de uma nova classe de hidrogéis injetáveis, termo sensíveis e biodegradáveis
(Universidade Federal de São Carlos, 2014-03-10)
Hydrogels have been widely studied, especially as injectable materials for applications as biomaterials. These hydrogels may possess thermosensitive features near body temperature (LCST Lower Critical Solution Temperature ...
Análise da eficiência energética das biomassas utilizadas em fornos cerâmicos na região de Tatuí-SP
(Universidade Federal de São Carlos, 2015-02-26)
Energy production in the form of heat from the burning of lignocellulosic materials is an interesting form of waste recovery. However, one needs to know the physical and chemical characteristics ...