ABSTRACT: The crystallized mullite composite has been synthesized via sol-gel technique in the presence of transition metal ions such as iron and copper. The electrical resistivity and activation ...
ABSTRACT: Different mixtures of Moroccan silica-alumina geomaterials were used for the preparation of refractory ceramics. A formula of composition (M2) has allowed obtaining a good quality of ...
Different starting materials and preparation techniques are used to produce synthetic mullite ceramics. For instance, a mixture of sols, a mixture of solids, or a mixture of salt and sol can be used ...