The Phase Stability in the Fe-B Binary System: Comparison between the Interstitial and Substitutional Models

Z. Nait Abdellah; Redoune Chegroune; Mourad Keddam; B. Bouarour; L. Haddour; A. Elias

doi:10.4028/www.scientific.net/DDF.322.1

Paper Titles

Preface

The Phase Stability in the Fe-B Binary System: Comparison between the Interstitial and Substitutional Models
p.1

Analytical Solutions of the Boltzmann Transformation Equation
p.11

Interface Controlled Diffusional Creep of Cu + 2.8 at.% Co Solid Solution
p.33

Reactive Diffusion at the Contact of a Solid Phase with the Solder Melt
p.41

Determination of Intrinsic Diffusion Coefficients in Binary Alloys with Variable Molar Volume by the M-M Method
p.73

The Coke and Iron Ore Materials Kinetic Characteristics and Quantitative Indicators of Blast Furnace Process
p.87

Molybdenum Disilicide - Diffusion, Defects, Diffusion Correlation, and Creep
p.107

Original Methods for Diffusion Measurements in Polycrystalline Thin Films
p.129

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The Phase Stability in the Fe-B Binary System: Comparison between the Interstitial and Substitutional Models

Abstract:

In the present work, a thermodynamic study was carried out in order to analyze the thermodynamic stability of the and phases in equilibrium with the phase using the calculation of phase diagrams (Calphad) formalism. The two phases and are modelled as substitutional and interstitial solid solutions of boron. The expressions of the chemical potentials of B and Fe are derived in both phases to perform the thermodynamic calculations. A comparison is made between the results provided by the substitutional and interstitial models and good agreement is observed between these two models.

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Defect and Diffusion Forum (Volume 322)

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1-9

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.322.1

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Online since:

March 2012

Authors:

Z. Nait Abdellah, Redoune Chegroune, Mourad Keddam, B. Bouarour, L. Haddour, A. Elias

Keywords:

CALPHAD, Chemical Potential, Gibbs Energy, Phase Stability, Thermodynamic

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