Model of growth kinetics of nitrided layer in the binary Fe–N system
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Jerzy Ratajski
Abstract
The mathematical description of the kinetics of a layer development is subjectal to a continuous evolution connected with a growing amount of empirical data. Commencing with attempts to describe selected stages of this process, attempts are made at present to mathematically represent phenomena occurring in a gas atmosphere, on the boundary of gas-metal, and in a nitrided material, together with a description of mutual dependencies between these phenomena. The model proposed in this paper, which describes the growth of the zones of a layer nitrided in conditions of a diffusion quasi-equilibrium, is a simple and convenient tool allowing for both the determination of nitrogen diffusion coefficients in the layer’s monophase zones and for forecasting the growth of the layer’s zones as a function of the time of the process and the nitrogen potential.
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© 2004 Carl Hanser Verlag, München
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Artikel in diesem Heft
- Frontmatter
- Editorial
- Editorial
- 85 Years DGM
- Fachausschuss ,,Materialographie“
- Fachausschuss ,,Mechanische Oberflächenbehandlungen“
- Fachausschuss „Titan“
- Fachausschuss ,,Gefüge und Eigenschaften von Polymerwerkstoffen“
- Characterization of the fcc/bcc orientation relationship by EBSD using pole figures and variants
- Microstructural and thermodynamic study of γ-Ga2O3
- Spray forming of 2014-Al alloy based composites with injection of SiC particulates
- Size effects in the plastic deformation of NiAl thin films
- Fracture parameters of chevron-notched Al2O3/Nb sandwich specimens
- HVEM in situ study of fracture of Al2O3/Nb sandwich specimens
- Articles Basic
- Assessment of thermodynamic functions in the MgO–Al2O3–SiO2 system
- Derivation and consistency of the partial functions of a ternary system involving interaction coefficients
- Contribution to the zinc-rich side of the Ti–Zn system
- Measurement of the surface tension of liquid Ga, Bi, Sn, In and Pb by the constrained drop method
- Articles Applied
- Model of growth kinetics of nitrided layer in the binary Fe–N system
- Einfluss von Molybdän auf die Beständigkeit von Stahlanoden zum Verchromen in „Chromispel-C“-Elektrolyten
- The mechanism of columnar-to-equiaxed transition during electromagnetic centrifugal solidification
- Notifications/Mitteilungen
- Personal/Personelles
- News/Aktuelles
- Books/Bücher
- Conferences/Konferenzen
