Now showing items 1-10 of 95
Influence of cerium (IV) ions on the inorganic and organic phase for preparation of a siloxane-PMMA based film on tin plate substrate
(17th International Corrosion Congress 2008: Corrosion Control in the Service of Society, 2008-12-01) [Trabalho apresentado em evento]
Tinplate is one of the most widely used food canning materials, however, there are significant problems related to the use of tinplate cans, such as alterations in sensory features affecting food quality and corrosion ...
Electrochemical behavior of Ti-Mo alloys for biomedical applications
(8th World Biomaterials Congress 2008, 2008-12-01) [Trabalho apresentado em evento]
Programa de ensino de ciências (PROENC)
(Congresso de Extensão Universitária, 2013) [Trabalho apresentado em evento]
Introdução: O Programa de Ensino de Ciências (PROENC) é um projeto voltado para a divulgação de conteúdos de Ciências, relacionados com o conteúdo programático do Ensino Fundamental, Médio e Superior. Com esse objetivo, ...
Gamma phases in Cu-Al alloys and the influence of a square shaped phase in the electrochemical behavior of a Cu-13.6wt% Al alloy
(Proceedings of the Symposium on Passivity and Its Breakdown, 1998-01-01) [Trabalho apresentado em evento]
The electrochemical behavior of Cu-xAl alloys, with 11 wt%less than or equal to x less than or equal to 15wt%, in 0.5 M H2SO4 was studied by means of open-circuit potential decay measurements, quasi-stationary and fast ...
Sintering of ZnO doped SnO2
(Advanced Science and Technology of Sintering, 1999-01-01) [Trabalho apresentado em evento]
Dense SnO2 ceramics were obtained by doping with ZnO concentrations varies from 0.5 to 5.0 mel. The obtained powder was isostaticaly pressed to 210MPa in cylindrical shape and sintered from ambient to 1.500 degrees C using ...
Double optical monitoring of time-dependent film formation
(Proceedings of SPIE - The International Society for Optical Engineering, 2005-12-23) [Trabalho apresentado em evento]
A brief overview of optical monitoring for vacuum and wet bench film deposition processes is presented. Interferometric and polarimetric measurements are combined with regard to simultaneous real-time monitoring of refractive ...
Electrochemical stability of SnO2-based coated Ti electrodes
(Energy and Electrochemical Processing For A Cleaner Environment, 1998-01-01) [Trabalho apresentado em evento]
The electrochemical behavior of SnO2-SbOx, based electrodes, with and without the addition of RuO2, was studied by cyclic voltammetry, service life measurements and electrochemical impedance spectroscopy in 0.5 M H2SO4 the ...
Composites PVDF-TrFE/BT used as bioactive membranes for enhancing bone regeneration
(Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (eapad), 2004-01-01) [Trabalho apresentado em evento]
In this paper a piezoelectric composite membranes were developed for charge generator to promoter bone regeneration on defects sites. Is known that the osteogenesis process is induced by interactions between biological ...
Diffuse Effect of the Tungsten Doped Ba(Zr0.10Ti0.90)O3 Ferroelectric Ceramics
(11th International Conference and Exhibition of the European Ceramic Society 2009, 2009-12-01) [Trabalho apresentado em evento]
Barium zirconate titanate Ba(Ti0.90Zr0.10)O3 ceramics doped with WO<inf>3</inf> (BZT:2W) have been prepared by a traditional solid phase reaction. The effect of temperature on the structural and electrical properties was ...
Temperature and stoichiometry effect on microstructural and ferroelectric properties of Pb(Zr1-xTix)O3 thin films prepared by chemical soulution deposition
(Ceramic Transactions, 2004-05-10) [Trabalho apresentado em evento]
Lead zirconate titanate (PZT) solutions were prepared using a polymeric precursor method, Zr n-propoxide and Ti i-propoxide were used as starting materials with ethylene glycol and water as solvents. The PZT solution was ...