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Now showing items 121-130 of 130
Avaliação do grau de gelificação de formulações de PVC rígido utilizando o método de ultrassom
(Universidade Federal de São Carlos, 2009-09-10)
The determination of the gelation degree is an important tool for predicting the properties of final products made of rigid PVC compounds. Thus, it is evident the need of a quick and effective test method that can be applied ...
Determinação das propriedades mecânicas da liga A356 conformada por spray para diferentes teores de ferro e condições de processamento
(Universidade Federal de São Carlos, 2008-04-22)
The aims of this work were the microstructural and tensile properties characterization of the hypoeutectic spray formed Al-Si 356, with and without contamination for iron, spray formed, extruded and heat treatment. The ...
Caracterização e avaliação de filmes metálicos para uso em ultra-alto vácuo
(Universidade Federal de São Carlos, 2007-11-27)
The construction of ultra-high vacuum chambers (UHV) for particle accelerators demands pressure in the range of 10-8 Pa, and this is particularly difficult to achieve in chambers with the length to traverse section rate ...
Efeito da porosidade sobre o manchamento de porcelanato polido
(Universidade Federal de São Carlos, 2009-12-15)
Porcelain tile is a type of ceramic tile which has shown the highest worldwide expansion in recent years due to the excellent technical and esthetic qualities of the product, which have augmented the possibilities of its ...
Correlações entre propriedades dinâmico-mecânicas e durabilidade sob fadiga mecânica em compósitos de polipropileno/polipropileno maleificado/fibra de vidro
(Universidade Federal de São Carlos, 2006-09-06)
Although the influence of interfacial adhesion on short-term mechanical
performance of fiber-reinforced thermoplastic composites has been well
established, very little published information is available on the influence ...
Adesão borracha-latão: a influência do cobalto, do sistema HMMM (hexametoximetilmelamina)-resorcinol e da temperatura na interface
(Universidade Federal de São Carlos, 2006-12-18)
Using a blank compound as reference and brass coated steel tire cords
with 64 and 68.2 % of cooper content, it was studied the effect of the
ingredients cobalt and the HMMM-resorcinol system, and the vulcanization
temperature ...
Estudo da influência de íons titânio e cobalto nas propriedades magnéticas e absorvedoras de ondas eletromagnéticas de hexaferrita de bário
(Universidade Federal de São Carlos, 2008-02-22)
In this work Cobalt and Titanium doped Barium hexaferrites were
synthesized by the ceramic method in order to study their use as
electromagnetic absorbing materials in high frequencies. The dopants were
used individually ...
Desenvolvimento do sensor baseado em eletrólito sólido de β-alumina para monitoramento de enxofre na indústria siderúrgica
(Universidade Federal de São Carlos, 2007-10-26)
Electrochemical sensors provide real time information of chemical
compositions of molten metal. They can be used to improve the control of
various metallurgical processes. One of the most successful and widely ...
Vitrocerâmicas do sistema Li2O - Al2O3 - SiO2 (LAS) via sinterização com cristalização concorrente
(Universidade Federal de São Carlos, 2007-03-02)
LAS (Li2O-Al2O3-SiO2) glasses have been often used to produce glass-
ceramics with near zero thermal expansion coefficient. These glass-ceramics
are very important for applications that require high thermal shock ...
Influência da adição de pó de retífica em uma matriz de cimento de fosfato de magnésio
(Universidade Federal de São Carlos, 2006-08-04)
In the present work, the magnesium phosphate cement use feasibility in the organic and inorganic hazardous industrial wastes encapsulation and the grinding dust of clutch discs influence (hazardous waste - classroom I) in ...