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Hyperfine Interactions

, Volume 57, Issue 1–4, pp 1769–1774 | Cite as

Competitive reactivity of iron towards boron and silicon in surface treatments with powder mixtures

  • M. Carbucicchio
  • A. Casagrande
  • G. Palombarini
Surface Phenomena, Catalysis, Corrosion

Abstract

The processes occurring at the surface of iron in contact with fluoride-activated B4C-base powder mixtures at 850°C were investigated by substituting the diluent SiC with different silicon compounds. The coatings were analyzed by X-ray diffraction, surface Mössbauer spectroscopy and metallographic techniques. The possibility of passing from iron boriding to iron siliciding was shown, and a mechanism proposed for the process.

Keywords

Iron Spectroscopy Silicon Thin Film Boron 
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Copyright information

© J.C. Baltzer A.G. Scientific Publishing Company 1990

Authors and Affiliations

  • M. Carbucicchio
    • 1
  • A. Casagrande
    • 2
  • G. Palombarini
    • 2
  1. 1.Department of Physics, UniversityParmaItaly
  2. 2.Institute of MetallurgyFaculty of Industrial Chemistry, UniversityBolognaItaly

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