Effects of process and materials on pressureless sintering of alumina

Abstract

Ceramic materials are very sensitive to process factors. The interactions of these factors during processing are also highly significant in determining the properties of the resultant ceramic material. The effects of uniaxial compaction pressure, particle size, sintering temperature and the use of sintering aid as well as their interactions are investigated for pressureless sintering of alumina. The application of the techniques of Design of Experiments (DOE) employing 2K factorial design enables the determination of the magnitude or significance of each of these factors, and their various interactions in the emergence of physical and mechanical properties of alumina densified via pressureless sintering. Hence cost of production can be minimized and reproducibility enhanced for various categories of desired properties due to adequate knowledge and control of process parameters.

Publication Title

International SAMPE Symposium and Exhibition (Proceedings)

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