Laser Gas Assisted Nitriding and TiN Coating of Ti-6Al-4V Alloy

Abstract:

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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.

Info:

Periodical:

Advanced Materials Research (Volumes 264-265)

Edited by:

M.S.J. Hashmi, S. Mridha and S. Naher

Pages:

421-426

DOI:

10.4028/www.scientific.net/AMR.264-265.421

Citation:

O. Al-Mana et al., "Laser Gas Assisted Nitriding and TiN Coating of Ti-6Al-4V Alloy", Advanced Materials Research, Vols. 264-265, pp. 421-426, 2011

Online since:

June 2011

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Price:

$35.00

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