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Concept of an Economical and Ecological Process of Gas Nitriding of Steel

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HTM Härtereitechnische Mitteilungen

Carl Hanser Verlag

10.3139/105.100399

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Abstract

An economical, ecological version of the gas nitriding process is presented. It allows a substantial reduction in the consumption of industrial gases compared with currently used processes. Also it leads to a simplification of nitriding installation as well as the process itself, while allowing maintenance of full control over the kinetics of the layer growth. The concept was developed from studies of the thermodynamics and kinetics of growth of nitrided layers on iron and steel. It has been verified in trials under industrial conditions.

Kurzfassung

Es wird eine ökonomische, ökologische Möglichkeit des Nitrierprozesses mit Gas vorgestellt. Der Prozess ermöglicht eine beträchtliche Herabsetzung des Verbrauchs an industriellen Gasen im Vergleich mit anderen zuständigen Prozessen. Er kann auch zu einer Vereinfachung der Anlage und des Nitriervorganges selbst führen, indem volle Kontrolle über die Schichtwachstumskinetik besteht. Der Prozessentwurf wurde auf thermodynamischen und kinetischen Betrachtungen des Nitrierschichtwachstums auf Eisen und Stahl gestützt. Die Idee wurde experimentell in industriellen Verhältnissen überprüft.

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Most cited references 9

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Physical Metallurgy Handbook

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Nitrovac′79 - Nowa technologia obróbki cieplno-chemicznej elementów maszyn i narzědzi

Z. Has, P. Kula (1983)
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A Study of the Nitriding Process. Transactions tor Amer-ican Society tor Metals

C. Floe (1944)

Author and article information

Author notes
Prof. nadzw. Dr. hab. Inz. Leszek Małdziński, born in 1951, is a Professor at the University of Technology, Pozna/Poland. In the years 1991–1994 he was working at Technical Univesity Deltf/the Netherlands and in 1995–2005 he was a scientific adviser of Nitrex Metal Inc. Canada. Since 2003 he is a scientific adviser of Seco/warwick Swiebodzin/Poland and since 2005 also of Colmenga Milano/Italy.
Prof. Dr. Inz Jan Tacikowski, born in 1929, is a Professor at the Institute of Precision Mechanics, Warsaw/Poland.
Journal
htmd
HTM Härtereitechnische Mitteilungen
Carl Hanser Verlag
0341-101X
2194-1831
2006
: 61
: 6
: 296-302
© 2006, Carl Hanser Verlag, München
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References: 21, Pages: 7
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Fachbeiträge/Technical Contributions
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