S. A. Budinovskii, N. V. Petrushin, A. C. Benklyan, E. S. Elutin
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Protection of a Rhenium–Ruthenium VZhM10 Nickel Superalloy from Oxidation in the Temperature Range 1150–1300°C
The report presents the results of heat-resistance tests of single-crystal samples made of a rhenium–ruthenium VZhM10 nickel superalloy with a two-layer heat-resistant condensation–diffusion ion–plasma SDP-41 + VSDP-16 coating in the temperature range 1150–1300°C. The ion–plasma coating is shown to ensure the protection of the alloy from catastrophic oxidation at temperatures up to 1300°C for a short time of 10–25 h. The loss rates of the specific mass of VZhM10 alloy samples with the coating and without it are determined in the temperature range 1150–1300°C using tests for up to 100 h. The influence of the coating on the long-term strength of the 〈001〉 VZhM10 alloy single crystals has been estimated at temperatures of 1150, 1200, 1250, and 1300°C.
期刊介绍:
Russian Metallurgy (Metally) publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.