A simple model for the growth kinetics of Fe 2 B iron boride on pure iron substrate

M. Keddam, M. Ortiz-Domínguez, I. Campos-Silva, J. Martínez-Trinidad

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36 Scopus citations

Abstract

The present work evaluates the growth kinetics of Fe 2 B iron boride forming on iron substrate by means of a diffusion model in the temperature range 1223-1323 K. The model takes into account the effect of the boride incubation time during the formation of Fe 2 B phase. The parabolic growth constant at the (Fe 2 B/Fe) interface and the mass gain generated by this treatment were estimated. Likewise a simple relationship was proposed to describe the variation of the parabolic growth constant as a function of both the temperature and the boron content in the Fe 2 B phase. Furthermore, the simulation results show a good agreement with our experimental results.

Original languageEnglish
Pages (from-to)3128-3132
Number of pages5
JournalApplied Surface Science
Volume256
Issue number10
DOIs
StatePublished - 1 Mar 2010

Keywords

  • Diffusion model
  • Growth kinetics
  • Incubation time
  • Parabolic growth constant
  • Paste-boriding

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