Production of nickel and iron nanopowders by hydrogen reduction from salts

The formation of nickel and iron nanoparticles produced by a chemical—metallurgical method and steels made of composite iron powders with nanosized nickel additions is studied. A procedure is developed for calculating the nanopowder particle size and the activation energy of sintering. The results o...

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Bibliographic Details
Published in:Russian metallurgy Metally 2012-07, Vol.2012 (7), p.654-658
Main Authors: Oglezneva, S. A., Bulanov, V. Ya, Kontsevoi, Yu. V., Ignat’ev, I. E.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
Mathematical analysis
Metallic Materials
Nanocomposites
Nanomaterials
Nanoparticles
Nanostructure
Nickel
Sintering (powder metallurgy)
Steels
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Summary:The formation of nickel and iron nanoparticles produced by a chemical—metallurgical method and steels made of composite iron powders with nanosized nickel additions is studied. A procedure is developed for calculating the nanopowder particle size and the activation energy of sintering. The results obtained make it possible to decrease the temperature of the process of powder production, to decrease the energy consumed for powder sintering, and to predict the powder nanoparticle size.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029512070105