A Process for Sintering of Diopside Prepared from Dolomite

S. Zouai; F.Z. Mezahi; S. Achour; Abdelhamid Harabi

doi:10.4028/www.scientific.net/MSF.492-493.235

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HomeMaterials Science ForumMaterials Science Forum Vols. 492-493A Process for Sintering of Diopside Prepared from...

A Process for Sintering of Diopside Prepared from Dolomite

Abstract:

Diopside CaMgSi2O6 is an attractive material because of its multi applications. It was prepared by sintering the mixture at different temperatures (900°C-1300°C). Starting materials were pure SiO2 and dolomite raw materials. In order to improve the properties of sintered samples, such as the density egg white (ovalbemin) has been added into diopside. Furthermore, the effect of P2O5 addition on the sintering of the prepared diopside in the range of 0.5 to 5.0 wt% was studied as a function of the sintering temperature. A density of 96.5% of theoretical has been achieved when 5.0 wt% P2O5 was added, at a sintering temperature of 1225°C, whereas the density of diopside samples, without P2O5 addition was lower than 83.0% of theoretical.