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Alumina porous ceramics: mathematical behavior at different commercial starch concentration
(Trans Tech Publications Ltd, 2008-01-01)
Several researches have been developed in order to verify the porosity effect over the ceramic material properties. The starch consolidation casting (SCC) allows to obtain porous ceramics by using starch as a binder and ...
Stratified Sampling Applied to Estimation of the Volumetric Fraction of Alumina in Cast Metal Matrix Composites
(Carl Hanser Verlag, 2009-08-01)
In this paper, we propose a statistic procedure for estimating the amount of alumina incorporated in a particulated metal matrix composite synthesized by the stir casting method. Composite specimens, consisting of A356 Al ...
Al2O3 obtained through resistive evaporation for use as insulating layer in transparent field effect transistor
(Trans Tech Publications Ltd, 2014-01-01)
Alumina thin films have been obtained by resistive evaporation of Al layer, followed by thermal oxidation achieved by annealing in appropriate atmosphere (air or O-2-rich), with variation of annealing time and temperature. ...
Use of high energy ball milling on the sintering optimization of alumina ceramics
(2010-12-15)
In this work, the effect of the milling time on the densification of the alumina ceramics with or without 5wt.%Y 2O 3, is evaluated, using high-energy ball milling. The milling was performed with different times of 0, 2, ...
Anelastic spectroscopy in Al2O3
(Trans Tech Publications Ltd, 2005-12-01)
Engineering ceramics have found use in many applications, such as engine parts, ball bearings, artificial bone and hip replacements and gyroscopes, because of their good chemical inertness, hardness, high temperature ...
Envelhecimento de pós de beta-alumina sintetizados pelo método dos precursores orgânicos
(Associação Brasileira de CerâmicaBento Gonçalves, RS, 2014-05-18)
Pós de beta-alumina preparados pelo método de Pechini foram caracterizados por difração de raios X, microscopia eletrônica de varredura, análise de superfície por adsorção de gás espectroscopia no infravermelho e análises ...
Electrical conduction in alumina-filled EPDM
(1992-01-01)
The stationary current versus applied voltage characteristics for vulcanized EPDM copolymer samples were investigated for different values of sample thickness, for several metallic electrodes and ratios of alumina filler. ...
Surface Analysis Of Alumina Ceramic Exposed To Shock Waves Produced By Plasma Expander
(IOP PUBLISHING LTDBRISTOL, 2015)