The Possibility of Synthesizing Nanosize Molybdenum Carbide in Atmospheric Electrodischarge Plasma

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Abstract

Abstract: The results of experimental studies indicating the possibility of obtaining molybdenum carbide crystalline phases in a dc arc discharge plasma initiated inside a hollow graphite cathode in the air gaseous atmosphere under normal atmospheric conditions are presented. According to the X-ray diffraction data, two molybdenum carbide phases are identified in the powder synthesis product: Mo_1.2C_0.8 and Mo₂C, as well as graphite and metallic molybdenum. According to the transmission electron microscopy data, molybdenum carbide particles are in the carbon matrix and are characterized by dimensions mostly not exceeding 5–10 nm.

Original language	English
Pages (from-to)	866-869
Number of pages	4
Journal	Technical Physics Letters
Volume	45
Issue number	9
DOIs	https://doi.org/10.1134/S1063785019090098
Publication status	Published - 1 Sep 2019

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Keywords

electric arc synthesis
molybdenum carbide
nonvacuum method

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Cite this

Pak, A. Y. (2019). The Possibility of Synthesizing Nanosize Molybdenum Carbide in Atmospheric Electrodischarge Plasma. Technical Physics Letters, 45(9), 866-869. https://doi.org/10.1134/S1063785019090098

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AB - Abstract: The results of experimental studies indicating the possibility of obtaining molybdenum carbide crystalline phases in a dc arc discharge plasma initiated inside a hollow graphite cathode in the air gaseous atmosphere under normal atmospheric conditions are presented. According to the X-ray diffraction data, two molybdenum carbide phases are identified in the powder synthesis product: Mo1.2C0.8 and Mo2C, as well as graphite and metallic molybdenum. According to the transmission electron microscopy data, molybdenum carbide particles are in the carbon matrix and are characterized by dimensions mostly not exceeding 5–10 nm.

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Access to Document

10.1134/S1063785019090098