Samples were fast sintered using a range of microwave power from 1.2 to 2.1 kW. The mullitization process of the silica-rich composition was faster than that of the alumina-rich composition.

The increase in porosity suggests that the mullitization was insufficient. Regarding the thermal performance, the thermal conductivity was inversely proportional to the porosity and the microfiber ...

ABSTRACT: Enrichment of schist mined in Morocco resulted in an extract essentially made of andalusite, quartz and muscovite, which was investigated with the aim to synthesize mullite refractory ...

Although mullitization and sintering properties of andalusite concentrate powder have been studied by some scholars[8-11], the reports about applied research of alumina in high-purity andalusite based ...

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