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SYNTHESE DES MATERIAUX CERAMIQUES A BASE DE TITANATE D’ALUMINIUM ET DE MULLITE EN PRESENCE DE FELDSPATH


MELINESCU ALINA 1*, EFTIMIE MIHAI 1, DUMITRESCU OVIDIU 1, ANTON CORNEL 2
1. Faculté de Chimie Appliquée et Science des Matériaux, Université Politehnica de Bucarest, Rue Polizu No.1-7, Bucarest, 011061, Roumanie
2. Centre National de Recherche (IMT), Bucarest, Roumanie

Issue:

PLUMEE, Number 1, Volume V

Section:

Issue No.1 - Volume 5 (2015)

Abstract:

This research work consisted to synthesize materials based on aluminum titanate and mullite by conventional sintering in air between 1300 and 1500 ° C. The three compositions tested consist of the following starting raw materials: corundum, rutile, kaolin and feldspar. Mullite is the first compound formed, but appeared to 13500C titanate. A 15000C, XRD diagrams testified to the existence of balance-only (titanate and mullite). The apparent density measured on the samples thermally treated 15000C showed values between 69 and 74% of the theoretical density.

Keywords:

luminum titanate, mullite, feldspar, sintering, XRD, scanning electron microscopy.

Code [ID]:

PLUMEE201501V05S01A0016 [0004255]

Full paper:

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