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Boroseliconizing of a low-carbon steel in a dynamic powder mixture

  • I. M. Spiridonova
  • V. G. Al'kema
Science to Production
  • 10 Downloads

Conclusions

  1. 1.

    The kinetics of growth of the diffusion zone, formed in the dynamic powder mixture, differs from the kinetics of growth in the stationary mixture by the value of the parabolic growth constant. The difference in the diffusion constants is reflected in the structure and the phase composition of the borosiliconized layer.

     
  2. 2.

    The special feature of formation of the phases of the diffusion layers in the dynamic borosiliconizing mixture is the formation of higher silicide phases and also phases of a more complicated composition.

     
  3. 3.

    With all conditions being equal, the rate of saturation in the dynamic mixture in borosiliconizing is 1.5–2.0 times higher in comparison with saturation in the stationary mixture.

     

Keywords

Phase Composition Diffusion Layer Powder Mixture Diffusion Constant Diffusion Zone 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Literature cited

  1. 1.
    I. M. Spiridonova and V. G. Alkema, “Chemical heat treatment in dynamic mixture: multicomponent diffusion coating formation mechanism.” in: Proc. 7th Intern. Cong. on Heat Treatment of Materials, Vol. 1, Moscow (1990), pp. 229–233.Google Scholar
  2. 2.
    R. V. Ermakova, V. G. Al'kema, and R. T. Uvarova, “Increasing the reliability and endurance of components of equipment of tube-rolling mills by hardening the surface in equipment with a moving layer,” in: Proc. 4th All-Union Scientific and Technical Conference, Zaporozh'e (1989).Google Scholar
  3. 3.
    V. N. Mikhailin, “Production of protective coatings in rotating furnaces,” Tekhn. Sel'sk. Khoz., No. 1, 12 (1985).Google Scholar
  4. 4.
    Diffusion Coating of Metals, Collection of Scientific Works [in Russian], Naukova Dumka, Kiev (1965), pp. 3–12.Google Scholar

Copyright information

© Plenum Publishing Corporation 1993

Authors and Affiliations

  • I. M. Spiridonova
    • 1
  • V. G. Al'kema
    • 1
  1. 1.Nikopol'sk Southern Tube PlantUSSR

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