Nitrocarburising in ammonia-hydrocarbon gas mixtures

Publication: ResearchArticle in proceedings – Annual report year: 2010

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The present work investigates the possibility of nitrocarburising in ammonia-acetylene-hydrogen and ammoniapropene- hydrogen gas mixtures, where unsaturated hydrocarbon gas is the carbon source during nitrocarburising. Consequently, nitrocarburising is carried out in a reducing atmosphere and straightforward control of the carburizing and nitriding potentials is in principle possible. The nitrocarburising response of unalloyed (ARMCO) Fe was investigated in a thermobalance during controlled nitrocarburising at 580°C. The “cases” obtained on nitrocarburised iron were characterized by reflected light microscopy and X-ray diffraction analysis. It is shown that the use of unsaturated hydrocarbon gas in nitrocarburising processes is a viable alternative to traditional nitrocarburising methods.
Original languageEnglish
TitleProceedings European Conference on Heat Treatment 2010 : Nitriding and Nitrocarburising
EditorsF. Hoffamnn, H. Klümper-Westkamp
PublisherAWT
Publication date2010
Pages9-16
StatePublished

Conference

ConferenceEuropean Conference on Heat Treatment
CountryGermany
CityAachen
Period29/04/1030/04/10

Keywords

  • Nitrocarburising, Hydrocarbon gas, Thermogravimetry, X-ray diffraction, Iron
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