Influence of oxygen concentration on plasma dynamic synthesis product in Fe-O system

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

In spite of being known for centuries, iron oxides are still important. Such modifications as magnetite Fe3O4and epsilon phase ε-Fe2O3are of great scientific and practical interest due to their promising electromagnetic properties. nonetheless, only few methods allow synthesizing both of these phases, but they have some well-known disadvantages, which limit the possibility of using them widely. This work shows a unique method of synthesizing these materials in one shortduration plasma dynamic process using a coaxial magnetoplasma accelerator with iron electrode system. The plasma chemical reaction occurs between the iron-containing plasma and gaseous precursor (oxygen). The influence of oxygen pressure on the products of plasma dynamic synthesis was also studied in the framework of this investigation. It was found that the higher oxygen concentration leads to the formation of product with predominant content of epsilon iron oxide ε- Fe2O3, as well as lower oxygen concentration results in obtaining the product with the dominance of magnetite phase.

Original languageEnglish
Title of host publicationMaterials Engineering and Technologies for Production and Processing III - ICIE-2017
EditorsAndrey Radionov
PublisherTrans Tech Publications Ltd
Pages652-656
Number of pages5
ISBN (Print)9783035711523
DOIs
Publication statusPublished - 2017
EventInternational Conference on Industrial Engineering, ICIE 2017 - Saint Petersburg, Russian Federation
Duration: 16 May 201719 May 2017

Publication series

NameSolid State Phenomena
Volume265 SSP
ISSN (Print)1012-0394
ISSN (Electronic)1662-9779

Conference

ConferenceInternational Conference on Industrial Engineering, ICIE 2017
CountryRussian Federation
CitySaint Petersburg
Period16.5.1719.5.17

Keywords

  • Electrodischarge plasma
  • Iron oxide
  • Oxygen pressure influence
  • Synthesis

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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