Processes of intermetallic phase formation in functional coatings prepared by cold gas-dynamic spraying of Ni – Al, Ni – Ti – Al, Ti – Al, and Ni – Ti powder mixtures are studied. On heating of the coatings containing Al, the main phase transformations proceed in the range of 450 – 750°C, and phase formation processes in the coatings based on the Ni – Al and Ni – Ti – Al systems develop in a similar manner. Transformations do not develop in Ni – Ti coatings in the temperature range studied. Phase transformations in the coatings are identified.
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Acknowledgement
Experimental research was conducted on equipment of the Center for Collective Usage of Scientific Equipment “Composition, structure, and properties of structural and functional materials” NITs Kurchatov Institute – TsNII KM Prometei with state financial support in the name of the Ministry of Education and Science within the framework of an agreement No. 14.595.21.0004, unique identifier RFMEF159517X0004.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 89 – 93, January, 2020.
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Gerashchenkov, D.A., Askinazi, A.Y., Fedoseev, M.L. et al. Formation of Intermetallic Phases in Functional Coatings Prepared by Cold Gas-Dynamic Spraying. Met Sci Heat Treat 62, 90–94 (2020). https://doi.org/10.1007/s11041-020-00518-z
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DOI: https://doi.org/10.1007/s11041-020-00518-z