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Estudo Comparativo da Resistência ao Desgaste Abrasivo de Revestimentos Duros dos Tipos FeCrC, FeMn, FeTiCW e FeNbC
(Universidade Federal de São Carlos, 2021-12-15)
This paper evaluated the resistance to abrasive wear of four types of hard coatings applied by welding to steel used in the sugar and ethanol and mining sectors that can coat defriber hammers, sugarcane chopping knives or ...
Funções ecohidrológicas do escoamento pelo tronco em espécies florestais em ambientes urbanos
(Universidade Federal de São Carlos, 2021-11-26)
Trees play an important role in the hydrological cycle and nutrient cycling, playing an important ecosystem function. Even though it represents a small proportion of total precipitation, the stemflow has a significant ...
Obtenção de filmes fotocatalisadores por oxidação eletrolítica assistida por plasma (PEO) sobre titânio metálico
(Universidade Federal de São Carlos, 2021-12-16)
The literature demonstrates the use of irradiated semiconductors in the treatment of effluents in a process called heterogeneous photocatalysis, a variant of advanced oxidative processes. The applicability of semiconductors ...
Membrana de látex com incorporação de arnica visando o tratamento de queimaduras de segundo grau
(Universidade Federal de São Carlos, 2021-09-30)
In recent years, several studies have focused on therapeutic alternatives in the treatment of skin injuries caused by burns. In this context, the search for biomaterials and natural substances that can help in the regeneration ...
Comportamento de clones de eucalipto à seca dos ponteiros laterais
(Universidade Federal de São Carlos, 2020-03-27)
Eucalyptus forests in Brazil are a major driving force in the economy, especially with regard to the paper and cellulose, furniture, wood and energy sectors. However, due to the occupation of the species throughout the ...
Desenvolvimento e caracterização de filmes poliméricos de amido de milho com incorporação de fibras de bagaço de cevada
(Universidade Federal de São Carlos, 2020-03-25)
Interest in the use of starch for biodegradable films is growing due to being a natural, renewable, abundant and low cost source. However, starch films generally have low values of mechanical properties. Thus, this work ...
Estudo da resistência ao desgaste e corrosão do aço AISI 4340 com tratamento a plasma de nitrocementação, revestimento DLC e multicamada (nitrocementação + DLC)
(Universidade Federal de São Carlos, 2020-03-02)
Duplex treatments are performed seeking out to promote additional tribological property
for a material, for example, diamond-like carbon (DLC) films deposited on AISI 4340
steel nitrocarburizing surfaces. DLC films have ...
Impactos do manejo do solo em área de pastagem extensiva convertida em cultivo de cana-de-açúcar e em pastagem intensiva
(Universidade Federal de São Carlos, 2020-04-30)
Future decreases in greenhouse gas emissions due the use of ethanol have been associated with the way in which changes in land use will occur for new sugarcane crops. One of the main consequences of the increases in the ...
Obtenção de nanocelulose a partir da funcionalização da celulose por oxipropilação
(Universidade Federal de São Carlos, 2020-03-27)
The present study aimed to obtain functionalized nanocellulose through the oxypropylation reaction. Thereunto, the cellulose was submitted to an initial activation step with a sodium hydroxide solution, and then the reaction ...
Géis, nanocompósitos e compósitos de pectina preparados utilizando a técnica adaptada de ice template.
(Universidade Federal de São Carlos, 2020-05-20)
Byopolymers, such as pectin, have the ability to form gels which allows their use as jelly thickeners in food industries, for example. Porous pectin gels are generally homogeneous, forming a water-rich mesh. Pores are ...