Fundamental aspects of oxidation of electroexplosive nickel nanopowder

Research output: Contribution to journalArticle

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Abstract

Fundamental aspects of the process in which a nickel nanopowder produced by an electric explosion of conductors is oxidized under heating in air at a linearly increasing temperature and in the isothermal mode were studied. It is shown that the dispersion composition of the powder, structure of the metallic core of nickel particles, and characteristics of the oxide shell affect the kinetic parameters of the process. An explanation is suggested for specific features of the macrokinetic reaction mode caused by the joint influence exerted by the relative amounts of fractions of different-size particles in the powder and by the characteristic of the oxide layer. The reaction kinetics is simulated, with the size distribution function of nickel particles taken into account.

Original languageEnglish
Pages (from-to)1129-1136
Number of pages8
JournalRussian Journal of Applied Chemistry
Volume84
Issue number7
DOIs
Publication statusPublished - Jul 2011

Fingerprint

Nickel
Oxidation
Powders
Oxides
Kinetic parameters
Reaction kinetics
Explosions
Distribution functions
Particle size
Heating
Air
Chemical analysis
Temperature

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Fundamental aspects of oxidation of electroexplosive nickel nanopowder. / Korshunov, A. V.

In: Russian Journal of Applied Chemistry, Vol. 84, No. 7, 07.2011, p. 1129-1136.

Research output: Contribution to journalArticle

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