Oxinitrocarburizing in Fluidized Bed Technology Applied to Drawing Steels

  • Nelu CAZACU "Dunarea de Jos" University of Galati, Romania
Keywords: fluidized bed, oxinitrocarburizing, drawing steel


Steels oxinitrocarburizing is a thermochemical treatment in order to obtain a slight increase of mechanical properties associated with increased of corrosion resistance. The paper is based on experiments performed on a plant with fluidized bed. Environment for oxinitrocarburizing is achieved by means of fluidized solid granules sorted by size ranging within 0.10-0.16 mm, resulting from decomposing a gas mixture of methane and ammoniac (initially). Samples are used in low carbon steels. Controlled oxidation is performed at a temperature of 570 °C with superheated water vapor. The results confirm the possibility to obtain layer structure and to increase surface mechanical properties.

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Nelu CAZACU, "Dunarea de Jos" University of Galati, Romania

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How to Cite
CAZACU N. Oxinitrocarburizing in Fluidized Bed Technology Applied to Drawing Steels. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Sep.2018 [cited 21Sep.2021];41(3):12-0. Available from: https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/1752

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