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Ceramics microwave processing

On the other hand, improvements in ceramic powder processing technology, the routine preparation of high-purity ceramics of nanometre scale, and the new techniques for the processing of these powders such as HIP, SPS, microwave furnace, etc., will be the driving forces for a very active study on nanoceramics in the near future, probably opening up new phenomena and new applications. [Pg.454]

Willert-Porada, M., Gerdes, T., Borchert, R., (1995), Application of microwave processing to preparation of ceramic and metal-ceramic FGM, Ilschner and N. Cherradi (ed.), Proceedings of the 3rd International Symposium on Structural and Functional Gradient Materials, Presses Polytechniqus et Universitaires Romandes, Laussanne (1995), 15-21. [Pg.595]

The mechanisms by which microwave energy is absorbed by the entire processing system (the microwave applicator, the specimens, and the thermal insulation) are crucial to understand the microwave processing of ceramic materials. The microwave energy absorbed per unit time per unit volume, pabs (the powder density), can be related to dielectric properties of the material and to the applied electromagnetic field " ... [Pg.1687]

Fig. 4 Schematic diagram showing the nature of reflection and absorption from (A) low loss dielectric, (B) metallic, (C) monolithic high loss dielectric, and (D) a composite or particulate ceramic with high dielectric loss. (From Sutton, W.H. Microwave processing of ceramic materials. Am. Ceram. Soc. Bull. 1989, 68, 376-386, Fig. 2, page 377. Reprinted with permission of The American Ceramic Society, www.ceramics.org. Copyright 1989. All rights reserved.)... Fig. 4 Schematic diagram showing the nature of reflection and absorption from (A) low loss dielectric, (B) metallic, (C) monolithic high loss dielectric, and (D) a composite or particulate ceramic with high dielectric loss. (From Sutton, W.H. Microwave processing of ceramic materials. Am. Ceram. Soc. Bull. 1989, 68, 376-386, Fig. 2, page 377. Reprinted with permission of The American Ceramic Society, www.ceramics.org. Copyright 1989. All rights reserved.)...
As an example of the property changes induced by microwave processing, in the sintering process a porous ceramic powder compact evolves toward a dense body during heat treatment at elevated temperatures. During densification, changes in s, e", and k can be large in amplitude and complex in nature. The lack... [Pg.1690]

I. K. Wilson O.C., Jr. Design and construction of insulation configuration for ultra-high-temperature microwave processing of ceramics. [Pg.1697]

M. Willert-Porada, "Reaction Rate Controlled Microwave Processing of Ceramic... [Pg.354]

Agrawal DK (1998) Microwave processing of ceramics. Curr Opin Solid State Mater Sci 3 480-485... [Pg.464]

A. R. Boccaccini, P. Veronesi, C. Leonelli, Microwave processing of glass matrix composites containing controlled isolated porosity, J. Europ. Ceram. Soc. 21, 1073-1080 (2001). [Pg.508]

Agarwal DK, Cheng J, Fang Y, Roy R. Microwave processing of ceramics, composites and metallic materials. In Clark DE, Folz DC, Folgar CE, Mahmoud MM, editors. Microwave solutions for ceramic engineers. Ohio The American Ceramic Society 2005. p. 205-28. [Pg.78]

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