Titlebook: Refractory Carbides; Grigorii V. Samsonov Book 1974 Consultants Bureau, New York 1974 X-ray.alloy.ceramics.corrosion.development.material.

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Production Technology and Some Properties of the Pyrolytic Carbides of Zirconium and Titaniumdeposition from a gaseous mixture. Optimum conditions have been arrived at for depositing these carbides from a gaseous phase containing the vapor of the higher chloride of the metal, methane, and hydrogen. The effect of various parameters of the process (temperature, composition of the gaseous phas

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Investigation of a Method of Obtaining Niobium Carbide Powder and Coatings from the Vapor PhaseC has been investigated. The rate of deposition has been studied in relation to the concentration of the reagents, the substrate temperature, and the rate of hydrogen supply. The highest deposition rate for niobium carbide was found to occur at an optimum ratio of hydrogen to total chlorides of 10:1

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The Effect of the Conditions of Producing Carbide Powder on the Properties of Sintered SpecimensIt was found that increasing the oxygen content in ZrC powders from 0.2 to 7 wt.% reduces the rate of grain growth in the finished components and promotes stabilization of the grain size. A method for producing high-density ZrC specimens has been developed.

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Some Problems in the Thermodynamics and Kinetics of the Formation of Carbide Coatings on Graphite frnetics of formation of the carbides SiC and ZrC has been studied experimentally in the temperature ranges 1400–1700°K and 1500–2400°K. The data calculated on a thermodynamic basis and the experimental results on the kinetics of the process have been compared, and it has been found that with a supply

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A Study of the Soldering of Graphite Materials with the Formation of a Carbide Layerng conditions — a temperature of 2200°C and a holding time of not less than 3 min — have been determined. Under these optimum conditions the strength of the soldered joint is not less than that of the base material.