Faculty of Mechanical Engineering, Lj. (FSLJ)
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Wear resistance of duplex treated steelPodgornik, Bojan ; Vižintin, JožeAn innovative approach to improving tribological behavior of surfaces and meeting long-term durability requirements of engineering devices and tools is to design and develop novel systems ... incorporating multilayers and/or duplex diffusion/plasma coating treatments. In the present work, wear resistance of plasma nitrided AISI 4140 steel coated with different PVD coatings (TiN, TiAlN and DLC) was studied by pin-on-disc experiments. To examine the influence of nitriding pre-treatment, steel substrate was plasma nitrided under different conditions, producing compound layer and diffusion zone of varying thickness. The results of the investigation showed that wear resistance of hard-coated steel was dramatically improved. Comparisons between duplex treated (N-diffusion layer/hard coating) and single layer coated steel showed that duplex treatment possessed a significantly higher wear resistance. Nitriding was found to cause substrate hardening that reduces subsurface deformation, thus improving coating support and extending hard coating lifetime.Source: Conference proceedings (Str. 179-182 in [602.pdf])Type of material - conference contributionPublish date - 2001Language - englishCOBISS.SI-ID - 4422171
Author
Podgornik, Bojan |
Vižintin, Jože
Topics
tribologija |
nitriranje plazemsko |
prevleke trde |
odpornost proti obrabi |
drsenje |
plasma nitriding |
hard coating |
duplex treatment |
sliding |
wear
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Database name | Field | Year |
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Podgornik, Bojan | 15269 |
Vižintin, Jože | 00812 |
Source: Personal bibliographies
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