Novel Powder‐Processing Methods for Advanced Ceramics

Abstract
Novel approaches for optimized powder processing of advanced ceramics are reviewed with an emphasis on direct‐casting methods and solid freeform fabrication techniques. The fundamental principles for green body formation are discussed; a distinction is made between physical and chemical gels based on the nature of the induced gelation. An overview of the properties of dense suspensions is presented, with a focus on the factors controlling the maximum solids loading. Recent work on direct measurements of interparticle forces in ceramic systems is presented and related to rheological properties.

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