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Mostrando ítems 91-100 de 273
Utilização de cimento de fosfato de magnésio como ligante na produção de moldes de areia para fundição.
(Universidade Federal de São Carlos, 2005-06-13)
In this study it is discussed the possibility of the application of magnesium phosphate cement as an alternative binder for foundries sand moulds, due to the problem faced for foundries industries during the discard of ...
Avaliação da resistência mecânica de argamassas de cimento Portland contendo serragem de couro tratada em meio ácido
(Universidade Federal de São Carlos, 2006-07-31)
Suitable destination of industrial solid wastes that have not well
established or completely successful mitigation techniques is nowadays a
fundamental important subject, all over the world. In Brazil, one of the ...
Aluminato de lantânio puro e dopado: obtenção e caracterização elétrica
(Universidade Federal de São Carlos, 2009-02-20)
In the attempt to find new electrolyte materials for Solid Oxide Fuel Cells (SOFC) that works at low temperature, perovskite-type materials have been intensively investigated. These materials have favorable crystal structure ...
Caracterização do nanocompósito de Al2O3 com inclusões nanométricas de ZrO2 visando sua aplicação como reforço em próteses odontológicas de cerâmica livre de metal
(Universidade Federal de São Carlos, 2008-02-22)
There are many different materials used in dental prosthesis, metal combined with ceramic (metalloceramic), combination of polymers with metal (metal-polymer), metal, polymer and ceramic metal free or metal-free. Metalfree ...
Estudo da influência da adição de serragem de couro tratada quimicamente nas características de argamassas de cimento Portland
(Universidade Federal de São Carlos, 2009-05-15)
The purpose of this study was to examine the major environmental concern for the large volume of toxic wastes generated by industries of tanneries and the search for a technological solution for the treatment of this waste. ...
Análise de falha de martelos oscilantes de desfibradores utilizados em usinas sucroalcooleiras
(Universidade Federal de São Carlos, 2021-07-30)
Sugarcane mills have demanded more control of their production line,
reduced loss of raw material, and a longer period before maintenance of their
equipment, aiming to increase their profitability. The main station of ...
Síntese de Mg2NiH4 para armazenagem de hidrogênio em compósito polimérico
(Universidade Federal de São Carlos, 2021-03-01)
In this work, powder production routes based on Mg2NiH4 are investigated, utilizing high-energy reactive milling; thermal treatment procedures, and hydrogen absorption/desorption cycles, which promote controlled decrepitation, ...
Recobrimentos de ligas Ti-Nb-Zr depositados por pulverização magneto-catódica sobre aço inoxidável AISI 316L para aplicações biomédicas
(Universidade Federal de São Carlos, 2022-11-30)
The work consists of the deposition of Ti-Nb-Zr ternary alloy coatings in the form of thin films on an AISI 316L stainless steel substrate for applications in the biomedical area, such as dental or orthopedic prosthesis. ...
Estudos qualitativos das transformações termodinâmicas ocorridas durante o processo pirometalúrgico de recuperação de Pb a partir de PbSO4
(Universidade Federal de São Carlos, 2013-08-01)
This study was carried out in order to gain a qualitative understanding of one of the fundamental processes of pyrometallurgical recovery of Pbfrom the inorganic scraps of lead-acid batteries by the reduction of PbSO4to ...
Indicadores de patentes para o monitoramento tecnológico em aços para dutos utilizados em transporte de hidrocarbonetos
(Universidade Federal de São Carlos, 2016-08-05)
Most part of the hydrocarbons reserves used in the global energy matrix are far
from their main consumer markets. One of the most technically and
economically viable means for such transport is carrying it out ...