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Phase transformation in plasma-sprayed iron oxide coatings

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1016/0040-6090(87)90351-8
AuthorSearch for: ; Search for: ; Search for: 1
Affiliation
  1. National Research Council Canada
FormatText, Article
Conference14th International Conference on Metallurgical Coatings, March 23-27, 1987, San Diego, CA
Abstract
Pure and silicon-, indium- and magnesium-doped α-Fe₂O₃ powders have been plasma sprayed on titanium substrates. The resulting coatings were analysed by electron and optical microscopy, thermogravimetry and X-ray diffraction. The results show that Fe₃O₄ is present in all coatings and comes from the reduction of Fe₂O₃. The latter phase is also obtained in most of the coatings and its presence is explained on the basis of a mechanism of re-oxidation of Fe₃O₄. This mechanism is affected by the spraying distance and also by the presence of dopants. These plasma-sprayed coatings have semiconductive properties which can find applications in photoelectrochemical or photocatalytic systems.
Publication date
PublisherElsevier
In
  • Thin Solid Films 154, no. 1-2: 57–64.
LanguageEnglish
Peer reviewedYes
NRC numberCNRC 26583
NRC-IGM86-301-429
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Record identifier6e91dda9-da4c-4da5-90bc-c71850856297
Record created2020-02-15
Record modified2020-03-17
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