Shortening of the process of nitriding of corrosion-resistant steels

Shortening of the process of nitriding of corrosion-resistant steels

The microstructure, the thickness of the nitrided layer, and the microhardness of a group of corrosion-resistant steels are studied after diffusion saturation in an ammonia-air atmosphere. It is shown that the use of such an atmosphere makes it possible to reduce the duration of the process of nitri...

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Veröffentlicht in:Metal science and heat treatment 2011-10, Vol.53 (7-8), p.344-346
Hauptverfasser: Aleksandrov, V. A., Grachev, A. V., Barabanov, S. I.
Format: Artikel
Sprache:eng
Schlagworte:
Ammonia
Atmospheric corrosion
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Corrosion
Corrosion resistant steels
Diffusion
Engineering Thermodynamics
Hardness
Heat and Mass Transfer
Materials Science
Metallic Materials
Microhardness
Microstructure
Nitriding
Saturation
Steel
Thermochemical Treatment
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Beschreibung
Zusammenfassung:The microstructure, the thickness of the nitrided layer, and the microhardness of a group of corrosion-resistant steels are studied after diffusion saturation in an ammonia-air atmosphere. It is shown that the use of such an atmosphere makes it possible to reduce the duration of the process of nitriding by a factor of 3.5 – 4 as compared to nitriding in dissociated ammonia.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-011-9394-y