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Nous avons procede a l'etude de l'oxyde de tungstene WO 3 , a fin de mettre au point un mode d'elaboration de la ceramique et de controler l'ensemble des parametres (y compris la nature du precurseur), ainsi que d'etablir, d'une maniere non equivoque, une relation entre la morphologie de la poudre et la microstructure de la ceramique finale.
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