Paper number 1143

COATING ICM-OXIDE FIBRES IN A BUNDLE BY METAL AND COMPOUND LAYERS

Andrew A. Kolchin, Dmitry B. Skvortsov, Galina K. Strukova, and Vladimir N. Kurlov

Solid State Physics Institute of the Russian Academy of Sciences, Chernogolovka Moscow district, 142432 RUSSIA

Summary

Versatility of oxide fibre produced by the internal crystallization method (ICM)1 can be greatly enhanced by applying various coatings on the fibre to control the fibre/matrix interface in composites. Since various matrices need to interact with the fibre in various ways, a variety of the necessary coatings range from pure metals, such as molybdenum, to complex oxides, such as magnetoplumbites is necessary to satisfy requirements of composite technology. Hence, a variety of the coating methods should be used including CVD, sol-gel, etc. A peculiarity of the ICM-fibres is that they do not exist as continuous filaments, so the methods developed for continuous fibres are not directly suitable for ICM-fibres. Technical modifications of the known methods adjusting them to fibres bound into a carcass shall be described in the present paper. Also microstructure and some properties of the coatings are to be presented.

Keywords

oxide fibres, molybdenum coating, oxide coatings, CVD, sol-gel, internal crystallization.