Paper Title:
Phase Transformations and Interstitial Atom Diffusion in Iron-Nitride, Iron-Carbonitride and Iron-Carbide Layers
  Abstract

α-Iron foils were exposed to various gas atmospheres containing all or a number of the components NH3, CO, H2 and N2 for different periods of time at 550°C. In this way surficial compound layers were generated which contain different iron nitrides (ε, γ’), iron carbonitride (ε) and/or iron carbide (cementite, Fe3C). These compound layers were used to study phase transformations associated with N- and/or Cdiffusion processes in the corresponding phases. These studies involved (a) the layer-growth kinetics of cementite and (b) various solid-state phase transformations occurring in compound layers upon annealing in vacuum.

  Info
Periodical
Edited by
P. VINCENZINI and V. BUSCAGLIA
Pages
32-41
DOI
10.4028/www.scientific.net/AST.46.32
Citation
A. Leineweber, T. Liapina, T. Gressmann, M. Nikolussi, E. J. Mittemeijer, "Phase Transformations and Interstitial Atom Diffusion in Iron-Nitride, Iron-Carbonitride and Iron-Carbide Layers", Advances in Science and Technology, Vol. 46, pp. 32-41, 2006
Online since
October 2006
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