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Effect of Pre-treatment and Duration of Pulse Plasma Nitriding on Duplex Plasma Treatment by Physical Vapor Deposition of TiN on AISI D2 Steel

  • Kalyan Das*
  • , Alphonsa Joseph
  • , Abhishek Ghosh
  • , Gourab Saha
  • , Ramkrishna Rane
  • , Subroto Mukherjee
  • , Manojit Ghosh
  • *Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

Surface treatments have been vastly used in the manufacturing industry to improve the life of tool materials. Plasma nitriding (PN) is widely used because it allows controlling the surface microstructure mainly by the formation of a compound layer and N2 diffusion layer. Duplex surface treatments are new solutions for tools, combining the advantages of PN and physical vapor deposition (PVD) coatings by magnetron sputtering, looking for still better performance while at service. This investigation is an attempt to study the surface properties of AISI D2 steel with two different substrate conditions (as-received and heat-treated), tailored by duplex plasma treatment with a variation of PN duration (6, 12 and 24 h) followed by PVD of TiN coating. Surface properties and phase identification of the duplex-treated samples have been made by SEM and XRD. Other properties such as surface roughness, microhardness and wear resistance were evaluated by a surface profilometer, a Vickers microhardness tester and a ball-on-disk setup, respectively. The results indicated higher microhardness and wear resistance values for every heat-treated surface compared with the as-received samples. PN 6 h duplex treated had the highest microhardness and wear resistance properties among all. It is remarkable that the initial surface condition, N2 diffusion layer and compound layer play a decisive role in enhancing the load-carrying and wear resistance capability of duplex-treated samples. Graphical Abstract: [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)9370-9382
JournalJournal of Materials Engineering and Performance
Volume32
Early online date2023
DOIs
Publication statusPublished - 2023
Publication typeA1 Journal article-refereed

Funding

The authors wish to acknowledge late Dr. Nikhilesh Bandyopadhyay, Tata Steel Chair Professor, IIEST, Shibpur, for his involvement in the planning and organization of the work and Mr. Olli Orell, Faculty of Engineering and Natural Sciences, Materials Science and Environmental Engineering at Tampere University for his contribution to the wear test. The authors also acknowledge the Board of Research in Fusion Science and Technology (BRFST) for its support of the project in the scheme of the National Fusion Programme (NFP) set up by the Institute for Plasma Research (IPR), Gandhinagar-382044, Gujarat, India.

Keywords

  • AISI D2 steel
  • duplex plasma treatment
  • magnetron sputtering
  • plasma nitriding
  • PVD
  • TiN
  • wear test

Publication forum classification

  • Publication forum level 1

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering

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