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Composition coatings on the surface of carbon steel crucible by aluminizing

  • Northwestern Polytechnical University Xian

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The composition protective coatings on the surface of carbon steel crucible were prepared by aluminizing and high temperature chemical reaction. The relations between the thickness of reaction product layer and reaction temperature and time were investigated. The microstructures and phase composition of the coating layer were investigated by means of optics microscope and XRD. The experimental results show that the thicknesses of reaction product layers increase with the reaction temperature and time increasing. The composition coatings are composed of transition layer and reaction product layer. The constitution of transition layer are Fe3Al and small amount of Fe2Al5, Fe14Al86 and Al2O3. The reaction product layer are consisted of TiB2, MgO and small amount of Mg2TiO4, Mg2B2O5, Fe3Al, FeAl and Ti2B5.

Original languageEnglish
Pages (from-to)189-193
Number of pages5
JournalFuhe Cailiao Xuebao/Acta Materiae Compositae Sinica
Volume28
Issue number6
StatePublished - Dec 2011

Keywords

  • Aluminizing
  • Carbon steel crucible
  • Composition coating
  • High temperature chemical reaction

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