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Laser gas assisted nitriding and TiN coating of Ti-6Al-4V alloy

  • O. Al-Mana*
  • , M. S.J. Hashmi
  • , B. S. Yilbas
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Laser gas assisted nitriding and TiN coating of Ti-6Al-4V alloy is carried out. The microstructures developed in the laser irradiated region are examined using Scanning Electron Microscope (SEM), Energy Dispersive Spectroscopy (EDS), and X-ray Diffraction (XRD). The laser nitrided surfaces are coated with TiN using the PVD facility to enhance the tribological properties. The heating model incorporating the lump parameter analysis is used to predict the melt layer thickness during the laser treatment process. It is found that laser nitrided surfaces posses δ-TiN+ε-TiN phases and TiN coating of laser nitrided surfaces improves the microhardness at the surface.

Original languageEnglish
Title of host publicationAdvances in Materials and Processing Technologies II, AMPT 2009
Pages421-426
Number of pages6
DOIs
StatePublished - 2011

Publication series

NameAdvanced Materials Research
Volume264-265
ISSN (Print)1022-6680

Keywords

  • Laser
  • Microstructure
  • Nitriding
  • Ti-6Al-4V

ASJC Scopus subject areas

  • General Engineering

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