Abstract
A method for preparation of zirconia toughened mullite using DC plasma is presented. An indigenously developed 50 kW thermal plasma reactor is used for preparation of zirconia toughened mullite (ZTM) from premixed zircon and alumina mixture. ZTM of different compositions were prepared by varying alumina content in the mixture. Finer grain size (<1 μm) of zirconia is observed in aluminium-rich mullite compared to that of the silicon-rich mullite.
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