M. S. Antipov, P. M. Bazhin, A. P. Chizhikov, A. S. Konstantinov
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Abstract
Cermet materials based on titanium carbide and nichrome that were prepared by SHS extrusion were annealed in an oxidizing atmosphere at high temperatures of 800, 900, 950, and 1000°C for 10 h. Dependences of weight gain and oxidation rate of the oxidized samples on temperature and annealing time were plotted. It was found using x-ray phase analysis and scanning electron microscopy that the carbide phases did not change stoichiometry, a new CrNi3 phase was detected, and oxide films (TiO2 and Cr2O) formed on the sample surfaces. TiC carbide grains grew from 2.79 to 3.4 μm as the annealing temperature increased.
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Refractories and Industrial Ceramics publishes peer-reviewed articles on the latest developments and discoveries in the field of refractory materials and ceramics, focusing on the practical aspects of their production and use.
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