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Densification of Particulate Ceramic Composites: The Role of Heterogeneities

  • Lutgard C. De Jonghe (a1) and Mohamed N. Rahaman (a2)

Abstract

Inert p articulate inclusions in ceramic powder compacts can obstruct densification behavior significantly. The factors that are the causes of this decrease in the sinterability are reviewed. It is concluded that the origin of the sintering difficulty resides in defects that processes such as die compaction introduce during the initial forming of the composite powder compact. Alternative processing methods are suggested that should minimize the negative effects of the dispersed inclusion phase on densification.

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References

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