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The integral method is used to simulate the kinetics of growth of γ′-phase layers during nitriding of Armco iron in a microwave discharge chamber. Solution of the system of differential… Click to show full abstract
The integral method is used to simulate the kinetics of growth of γ′-phase layers during nitriding of Armco iron in a microwave discharge chamber. Solution of the system of differential algebraic equations is used to assess the diffusivity of nitrogen in the γ′-phase layers in the temperature range of 773 – 843 K at a surface concentration of nitrogen equal to 5.9 wt.%. The computed activation energy of nitrogen diffusion and the predicted values of the thickness of the γ′-phase layer are compared to reported data.
Keywords:
growth kinetics;
simulation growth;
integral method;
armco iron
Journal Title: Metal Science and Heat Treatment
Year Published: 2020
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Journal Title: Metal Science and Heat Treatment
Year Published: 2020
Link to full text (if available)
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recommendations!