Abstract
The authors determine that the corundum-base filler used for preparation of the concrete mixtures and unified parts of them is the thermodynamically most resistant to chemical and mechanical actions under conditions of variable oxidizing and reducing atmospheres. Thermodynamic calculations show that a hydraulically hardening binder of high-alumina cement is a relatively more resistant binder in service of the concretes in reducing atmospheres. Highly refractory concretes of corundum composition with a hydraulically hardening binder are promising and highly effective materials for the construction of unfired, monolithic, wear-resistant, constant-volume linings for reactors for the production of technical grade carbon.
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