Plasma Spheroidization of Micropowders of a Heat-Resistant Alloy Based on Nickel Monoaluminide

Spheroidization of micropowders of a heat-resistant alloy based on nickel aluminide with a particle size of 20 to 45 μm was studied. The alloy was produced by calcium hydride reduction (CHR) and elemental synthesis (SHS). The spheroidization was carried out in a flow of argon–hydrogen thermal plasma...

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Veröffentlicht in:	Doklady. Chemistry 2018-12, Vol.483 (2), p.312-317
Hauptverfasser:	Tsvetkov, Yu. V., Samokhin, A. V., Alekseev, N. V., Fadeev, A. A., Sinaiskii, M. A., Levashov, E. A., Kaplanskii, Yu. Yu
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical Technology Chemistry Chemistry and Materials Science Chemistry/Food Science Heat resistant alloys Heat resisting alloys Industrial Chemistry/Chemical Engineering Intermetallic compounds Nickel aluminides Spheroidizing Thermal plasmas
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container_title	Doklady. Chemistry
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creator	Tsvetkov, Yu. V. Samokhin, A. V. Alekseev, N. V. Fadeev, A. A. Sinaiskii, M. A. Levashov, E. A. Kaplanskii, Yu. Yu
description	Spheroidization of micropowders of a heat-resistant alloy based on nickel aluminide with a particle size of 20 to 45 μm was studied. The alloy was produced by calcium hydride reduction (CHR) and elemental synthesis (SHS). The spheroidization was carried out in a flow of argon–hydrogen thermal plasma generated by a direct-current (DC) plasma torch. The degree of spheroidization of the micropowders reached 98.5%, and the flowability was 20 s/50 g.
doi_str_mv	10.1134/S0012500818120030
format	Article
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subjects	Chemical Technology Chemistry Chemistry and Materials Science Chemistry/Food Science Heat resistant alloys Heat resisting alloys Industrial Chemistry/Chemical Engineering Intermetallic compounds Nickel aluminides Spheroidizing Thermal plasmas
title	Plasma Spheroidization of Micropowders of a Heat-Resistant Alloy Based on Nickel Monoaluminide
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