Ceramic matrix composites

Author:

Abstract

SiC-SiC composites exhibit a non-brittle behaviour when the fibre-matrix bonding is controlled by the use of an interphase with a layered structure or microstructure, such as pyrocarbon, hex-BN or (SiC-PyC) n multilayers. The best mechanical properties are achieved when there is a balance between the crack deflection and load transfer functions of the interphase. SiC-SiC composites are sensitive to oxidation but their stability in oxidizing atmospheres can be improved by tailoring their composition and microstructure.

Publisher

The Royal Society

Subject

Pharmacology (medical),Complementary and alternative medicine,Pharmaceutical Science

Reference17 articles.

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3. Bobet J. L. Lamon J. & Lebrun J. L. 1993 In Conf. on Hiyh Temperature Ceramic Matrix Composites (ed. R. Naslain J. Lamon & D. Doumeingts) pp. 515-522. Abington Cambridge: Woodhead Publishing.

4. \Iicrostructura 1stability and creep behaviour of Si-C-O (Nicalon) fibres in carbon monoxide and argon environments;Booet R.;J. Am. Ceram. Soc. (In the press.),1995

5. Cojean D. 1991 Composites SiC-G-SiC: relation entre les proprietes mecaniques et la microtexture des interphases. These doctorat Universite de Pau et des Pays de l'Adour France.

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