Studies of electrodeposited chroniumcobalt alloy coatings by emission Co-57 Mössbauer spectroscopy

I. Czakó-Nagy, M. K. El-Sharif, A. Vértes, C. U. Chisholm

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Abstract

Deposit of chroniumcobalt (CrCo) alloys have been prepared by direct current (dc) electrodeposition from chromium(III)-dimethylformamide based electrolyte. By changing two electrolysis parameters (current density and electrolyte temperature) alloys of various cobalt content were obtained. Mössbauer spectroscopy (MS) measurements revealed that cobalt rich deposits (up to 80 w/o) consisted of a single ferromagnetic phase, an alloy of about 44 w/o cobalt contained a mixture of ferromagnetic phase and the paramagnetic phase. Measurements indicated that alloys with high chromium content (72-82 w/o) consisted of a single paramagnetic Co/Cr phase.

Original languageEnglish
Pages (from-to)801-805
Number of pages5
JournalElectrochimica Acta
Volume39
Issue number6
DOIs
Publication statusPublished - Apr 1994

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Keywords

  • cobalt alloys
  • codeposition
  • effect of plating parameters
  • electrodeposits
  • emission Mössbauer spectroscopy

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Electrochemistry

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