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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2980

Title: Modeling of nitride layer formation during plasma nitriding of iron
Authors: Dimitrov, VI
D'HAEN, Jan
KNUYT, Gilbert
QUAEYHAEGENS, Carl
STALS, Lambert
Issue Date: 1999
Publisher: ELSEVIER SCIENCE BV
Citation: COMPUTATIONAL MATERIALS SCIENCE, 15(1). p. 22-34
Abstract: A generalized Wagner diffusion model is used to analyze the layer formation and growth in definite experiments on plasma nitriding of pure iron. It is demonstrated that the model is able to predict the compound layer composition and can be used as a method for calculation of the effective diffusion coefficients in the first sub-layer of the compound zone, providing that the concentration ranges and the effective diffusion coefficients of the nitrogen in the other sub-layers, as well as the total compound layer thickness as a function of time, are known. The model predicts the violation of the parabolic law of growth for both the compound and diffusion zone of the plasma nitrided iron. (C) 1999 Elsevier Science B.V. All rights reserved.
Notes: Univ Sofia, Fac Phys, Dept Solid State Phys, BG-1164 Sofia, Bulgaria. Limburgs Univ Ctr, Mat Res Inst, Div Mat Phys, B-3590 Diepenbeek, Belgium.Dimitrov, VI, Univ Sofia, Fac Phys, Dept Solid State Phys, 5 James Bouchier Blvd, BG-1164 Sofia, Bulgaria.
URI: http://hdl.handle.net/1942/2980
DOI: 10.1016/S0927-0256(98)00126-8
ISI #: 000080572000003
ISSN: 0927-0256
Type: Journal Contribution
Validation: ecoom, 2000
Appears in Collections: Research publications

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