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

Yu. V. Tsvetkov; A. V. Samokhin; N. V. Alekseev; A. A. Fadeev; M. A. Sinaiskii; E. A. Levashov; Yu. Yu. Kaplanskii

doi:10.1134/S0012500818120030

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

作者: Tsvetkov Y.¹, Samokhin A.¹, Alekseev N.¹, Fadeev A.¹, Sinaiskii M.¹, Levashov E.², Kaplanskii Y.²
隶属关系:
1. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
2. MISiS National Research Technological University
期: 卷 483, 编号 2 (2018)
页面: 312-317
栏目: Chemical Technology
URL: https://journals.rcsi.science/0012-5008/article/view/154331
DOI: https://doi.org/10.1134/S0012500818120030
ID: 154331

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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.