Paper Title:
Numerical Determination of Intrinsic Diffusion Coefficient of Aluminide Coatings on Metals
  Abstract

This paper presents a numerical method to determine the composition dependent diffusivities and to predict the concentration profile during the interdiffusion process. The intrinsic diffusion coefficients in diffusion aluminide coatings (Fe-Al) were determined at 1000oC. The obtained diffusion coefficient for iron in Fe3Al or FeAl is in the range 10-10 to 10-9 cm2.s-1. The aluminum diffusion coefficient varies from 10-11 to 10-7 cm2.s-1 in the same phases.The present approach also permits to model the reactive diffusion in the Fe-Al systems.

  Info
Periodical
Defect and Diffusion Forum (Volumes 289-292)
Edited by
A. Agüero, J.M. Albella, M.P. Hierro, J. Phillibert and F.J. Pérez Trujillo
Pages
269-276
DOI
10.4028/www.scientific.net/DDF.289-292.269
Citation
B. Wierzba, S. Chevalier, O. Politano, M. Danielewski, "Numerical Determination of Intrinsic Diffusion Coefficient of Aluminide Coatings on Metals", Defect and Diffusion Forum, Vols. 289-292, pp. 269-276, 2009
Online since
April 2009
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Ivo Stloukal, Jiří Čermák
Abstract:Coefficient of 65Zn heterodiffusion in Mg17Al12 intermetallic and in eutectic alloy Mg - 33.4 wt. % Al was measured in the temperature...
189
Authors: Bartłomiej Wierzba, Olivier Politano, Sébastien Chevalier, Marek Danielewski
Abstract:The intrinsic diffusion coefficients in diffusion aluminide coatings based on Fe-30Cr were determined at 1000oC. The diffusion fluxes were...
948
Authors: D. Prokoshkina, A.O. Rodin, V. Esin
Chapter 3: Nanomaterials and Grain Boundaries
Abstract:The temperature dependence of the bulk diffusion coefficient of Fe in Cu is determined by EDX in the temperature range from 923 to 1273 K, ,...
171
Authors: Marek Danielewski
Chapter 1: Diffusion Fundamentals
Abstract:A general, consistent with linear irreversible thermodynamics, theory of stress and elastic deformation during interdiffusion is shown....
43
Authors: Marek Danielewski, Marek Zajusz, Bogusław Bożek, Katarzyna Tkacz-Śmiech
Abstract:A consistency between the Darken method and the Onsager representation for cross diffusion in multicomponent system is shown. The...
53