Electrochemical synthesis of Nb 5Si 3 intermetallic compound from molten calcium chloride salt

Wen Chen, Shubo Wang, Jianbang Ge, Shuqiang Jiao, Hongmin Zhu

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Nb 5Si 3 intermetallic compound was directly synthesized via an electrodeoxidation process from molten CaCl 2 electrolyte. The reaction mechanism was studied by performing a series of quenching investigations, which suggested that the formation of a series of sub oxides and compounds containing calcium and oxygen preceded the formation of Nb 5Si 3. While Nb 2O 5 was gradually reduced to its sub oxides, (Nb 2O 5/NbO 2/NbO/Nb), SiO 2, on the other hand, got directly reduced to silicon and reacted with Nb to form Nb 5Si 3.

Original languageEnglish
Pages (from-to)66-69
Number of pages4
JournalIntermetallics
Volume25
DOIs
Publication statusPublished - 2012 Jun
Externally publishedYes

Keywords

  • A. Intermetallics, miscellaneous
  • F. Electrochemical characterization
  • G. Aero-engine components

ASJC Scopus subject areas

  • Chemistry(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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