Home Kovove Materialy-Metallic Materials 2012 Metallic Materials Vol. 50 (2012), no. 3, pp.209-212

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Metallic Materials Vol. 50 (2012), no. 3, pp.209-212

Title: Characteristics of plasma nitrided layers in deep holes
Author: Z. POKORNY, O. BARBORÁK, V. HRUBÝ

Abstract: The article deals with mechanical properties of nitrided layers which were created by plasma nitriding technology. Technology of plasma nitriding is generally used to increase the surface hardness, fatigue strength, wear and corrosion resistance of steels. Experiments were focused on using plasma nitriding process for surface treatment of cavities with diameter of 6 and 8 mm. Nitrided layers were applied to steel 42CrMo4 which were subsequently evaluated by metallography, GDOES, microanalysis and microhardness method. The results of experiments have shown that plasma nitriding process is applicable to mentioned cavities. The surface hardness of material was significantly increased. The measurements have shown that the surface hardness and microhardness are dependent on the content of nitrogen in material.

Keywords: nitriding, microhardness, nitrided layer, Nht thickness
Year: 2012, Volume: 50, Issue: 3 Page From: 209, Page To: 212
doi:10.4149/km_2012_3_209


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