This present day the advance of technical ceramics is generally orientated in the direction of a greater keep watch over of the microstructure and ensuing houses of those fabrics. New sorts of powders and microstructures are built to permit the use of ceramics in new program areas.
This objective will be reached via generating properly reproducible reactive powders, improvement of tailored sintering procedures, and by way of introducing new varieties of composites. additionally, new tools supply new possibilities for fabrics improvement.
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Additional info for Ceramics - Processing, Reliability, Tribology and Wear, Volume 12
The bending strength (3-point, biaxial) is in the range 25 to 35 MPa depending on the porosity. The porosity varies from 40 to 45 per cent. The pore diameter distribution is shown in figure 7. 5 Conclusions The developed SiC/ glass material system and the used technology allow a low cost fabrication of multichannel flat membranes. This membrane has a high filter area and its surface structure generates favourable streaming conditions. The water treatment is aimed as the main application of this ceramic flat membrane in the future.
Greskovich, J. Am. Ceram. , 64, 725-30 (1981) Influence of Magnesia on Sintering of Transition Alumina C. Legros, F. Herbst, C. Carry LEMHE, UMR8647, Université de Paris-Sud, 91405 ORSAY Cedex, France LTPCM, UMR5614, INPG/UJF, 38042 SAINT-MARTIN D'HERES Cedex, France 1 Introduction Most nanocrystalline oxide ceramic powders are metastable and this metastability may have a critical influence on the sintering behaviour. It is particularly true for transition alumina powders which are currently produced with very high specific surface area and ultrafine crystallite sizes ; the transformations into the stable α-alumina are generally accompanied by the development of porous vermicular microstructures.
5 References 1. C. Legros, C. Carry, P. Bowen and H. Hofmann, J. Eur. Ceram. , 1999, 19, 19671978. 2. L. Coble, J. App. , 1961, 32, 793-799. 3. J. P. A. ), American Ceramic Society, Westerville, OH, 1991, 13-45. 4. I. Bae and S. Baik, J. Amer. Ceram. , 1994, 77, 2499-2504. 5. P. Carry, F. Herbst, C. Legros, to be presented at SINTERING 99 (1-3 Nov 1999 Penn Stae College USA) and to be published in the conference proceedings 6. P. Bowen, H. Hofmann, M. Carry, to be presented at SINTERING99 (1-3 Nov 1999 Penn State College USA) and to be published in the conference proceedings.