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Transactions of the INDIAN CERAMIC SOCIETY   Vol. 53  1994
Compaction Behaviour of Alumina Powders II : Effect of Pressure on Compaction of Calcined Alumina Powder
P. G. PAL* AND B. N. SAMADDAR**
Pages : 91-94
DOI : 10.1080/0371750X.1994.10804647
Abstract
Compaction behaviour of monosized ( - 1 jlm) alumina powder dried (ll0C) and calcined at different temperatures, viz. 1000, 1300, 1375, 1500 and 1600C was studied and the results were analysed on different compaction models in general and Cooper and Eatons model in particular. The results revealed that fractional volume compaction (V*) at different forming pressures depends on the agglomerated structures developed during calcination along with other parameters, viz. particle size, shape and hardness. Powder calcined at 1000C produced greater compaction compared to powders calcined at other temperatures at a given forming pressure. Analysis of results according to Cooper and Eatons model suggested the development of a property due to the change of morphological behaviour during calcination at different temperatures.
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