Reinforcing fibres under high temperatures

Abstract

The following types of fillers are most widely used for reinforcing ablative matrices: continuous fibres (in the form of threads, bands, fabrics etc.); short fibres; dispersed particles (in the form of hollow microspheres or continuous balls etc.). In this chapter we consider in detail a behavior of the first-type fillers under high temperatures. Calculation methods are given for determining the mechanical, strength and thermal properties for different types of fibres: glass, carbon, boron and organic.Practically all computed results are compared with corresponding experimental data on high-temperature behavior of ablative fibres (up to 3000 K).