Abstract
1. Under stationary thermal-loading conditions graphites, even at very high temperatures (T≃2500°C), can behave as elastic bodies, and their behavior can be described by the fundamental equations of thermoelasticity theory. 2. Results were obtained on the thermal stability of graphites VPP, VPP-1000, MPG-8, ARV, and PROG-2400 over a wide range of temperatures. The temperature drop and heat flux during failure of the specimens was used as a characteristic of heat resistance. It was found that these characteristics have complex temperature dependence and are determined by the temperature variations in the fundamental characteristics of the graphites ϕtensmax(T), α(T), E(T), λ(T).
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