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Glow discharge plasma nitriding of low alloy steel

Article dans une revue avec comité de lecture
Auteur
RAM MOHAN RAO, K.
1059292 GITAM Institute of Science - Department of Chemistry
TRINADH, Kalimi
1059292 GITAM Institute of Science - Department of Chemistry
NOUVEAU, Corinne
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]

URI
http://hdl.handle.net/10985/19692
DOI
10.1016/j.matpr.2019.08.224
Date
2019
Journal
Materials Today: Proceedings

Résumé

Present study concerns with the effect of plasma nitriding on hardness of low alloy steel. Plasma nitriding had been performed at elevated temperature of 500 C which improved the hardness to 1200 Hv. The case depth was found to be 80 mm. With the variation of time the case depth also varied. The plot of the square of the case depth vs. nitriding time and the corresponding line drawn by a linear regression and extrapolation passes almost through the origin. From the plot the nitrogen diffusion co-efficient calculated to be 2.23 10 13 m2/s. The structural and morphological studies have been made by following the X-ray diffraction (XRD) and scanning electron microscopic (SEM) and EDS analyses. XRD revealed the presence of a-Fe, c0 and e phases.

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  • Laboratoire des Matériaux et Procédés (LaBoMaP)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Low Temperature Plasma Nitriding of Low Alloy Steel for the Enhancement of Hardness 
    Article dans une revue avec comité de lecture
    RAM MOHAN RAO, K.; TRINADH, Kalimi; NOUVEAU, Corinne (Elsevier, 2019)
    The present concerns surface modification of low alloy CrMoV steel by following the route of plasma nitriding for the improvement of hardness. Plasma nitriding was performed at a low temperature of 450 oC. The maximum ...
  • Plasma Nitriding of 90CrMoV8 Tool Steel for the Enhancement of Corrosion Resistance 
    Article dans une revue avec comité de lecture
    RAM MOHAN RAO, K.; KHANNA, A.S.; ANEJA, Karanveer S.; TRINADH, Kalimi; NOUVEAU, Corinne (Elsevier, 2020)
    In the present studies, efforts were made to improve corrosion resistance of 90CrMoV8 tool steel by following plasma nitriding. Plasma nitriding of this steel at 500 oC for6and 8 h significantly improved the corrosion ...
  • Electrochemical study on the corrosion resistance of surface modified Cr-Mo-V steel by elevated temperature plasma nitriding 
    Article dans une revue avec comité de lecture
    TRINADH, Kalimi; KHANNA, Anand Sawroop; RAO, K Ram Mohan; ANEJA, Karanveer S.; NOUVEAU, Corinne (IOP Publishing Ltd, 2019)
    This study presents the effect of plasma nitriding on corrosion resistance of low alloy 90CrMoV8 steel. At a selected temperature of 500 °C, nitriding was performed by varying the exposure time. X-ray diffraction of nitrided ...
  • Elevated temperature plasma nitriding and effects on electrochemical properties of steel 
    Article dans une revue avec comité de lecture
    RAO, K. Ram Mohan; TRINADH, Kalimi; NOUVEAU, Corinne (Elsevier, 2019)
    Surface modification of tool steel had been performed by utilizing plasma nitriding at elevated temperature by varying the exposure time. The nitrided steel had shown significantly enhanced corrosion resistance properties. ...
  • Effects of plasma nitriding on low alloy Cr-Mo-V steel 
    Article dans une revue avec comité de lecture
    TRINADH, Kalimi; RAO, K. Ram Mohan; NOUVEAU, Corinne (Elsevier, 2021)
    In this study the effects on resistance to corrosion of a low alloy steel after plasma nitriding has been reported. Nitriding was performed at a low temperature of 450 °C and also at 520 °C for the same duration of 10 h ...

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