Analysis of laser gas nitrided titanium by X-ray photoelectron spectroscopy

Hau Chung Man; Z. D. Cui; X. J. Yang

doi:10.1016/S0169-4332(02)00866-8

Analysis of laser gas nitrided titanium by X-ray photoelectron spectroscopy

Hau Chung Man, Z. D. Cui, X. J. Yang

Research output: Journal article publication › Journal article › Academic research › peer-review

44 Citations (Scopus)

Abstract

Nitriding is an effective method to improve the surface properties of titanium for many demanding applications such as surgical implants. In this study, a continuous wave Nd-YAG laser was used to conduct laser gas nitriding (LGN) on the substrate of commercial pure titanium. The surface characteristics of the titanium before and after the LGN process were analyzed by X-ray photoelectron spectroscopy. The results showed that most contamination signals were eliminated by sputtering the tested sample for 1 min. The nitrided surface layer created by LGN on titanium was found to be comprised of TiN, TiNxOy, TiO2, and TiC. TiO2was found only existed at the outmost surface layer and the TiN concentration in the nitrided layer increased with increasing depth. Titanium carbide was not detected on the surface of the mechanical polished Ti, but on the laser gas nitrided sample.

Original language	English
Pages (from-to)	293-302
Number of pages	10
Journal	Applied Surface Science
Volume	199
Issue number	1-4
DOIs	https://doi.org/10.1016/S0169-4332(02)00866-8
Publication status	Published - 30 Oct 2002

Keywords

Laser gas nitriding
Surface characteristics
Titanium
XPS

ASJC Scopus subject areas

Surfaces, Coatings and Films

More information

10.1016/S0169-4332(02)00866-8

Cite this

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title = "Analysis of laser gas nitrided titanium by X-ray photoelectron spectroscopy",

abstract = "Nitriding is an effective method to improve the surface properties of titanium for many demanding applications such as surgical implants. In this study, a continuous wave Nd-YAG laser was used to conduct laser gas nitriding (LGN) on the substrate of commercial pure titanium. The surface characteristics of the titanium before and after the LGN process were analyzed by X-ray photoelectron spectroscopy. The results showed that most contamination signals were eliminated by sputtering the tested sample for 1 min. The nitrided surface layer created by LGN on titanium was found to be comprised of TiN, TiNxOy, TiO2, and TiC. TiO2was found only existed at the outmost surface layer and the TiN concentration in the nitrided layer increased with increasing depth. Titanium carbide was not detected on the surface of the mechanical polished Ti, but on the laser gas nitrided sample.",

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AU - Man, Hau Chung

AU - Cui, Z. D.

AU - Yang, X. J.

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N2 - Nitriding is an effective method to improve the surface properties of titanium for many demanding applications such as surgical implants. In this study, a continuous wave Nd-YAG laser was used to conduct laser gas nitriding (LGN) on the substrate of commercial pure titanium. The surface characteristics of the titanium before and after the LGN process were analyzed by X-ray photoelectron spectroscopy. The results showed that most contamination signals were eliminated by sputtering the tested sample for 1 min. The nitrided surface layer created by LGN on titanium was found to be comprised of TiN, TiNxOy, TiO2, and TiC. TiO2was found only existed at the outmost surface layer and the TiN concentration in the nitrided layer increased with increasing depth. Titanium carbide was not detected on the surface of the mechanical polished Ti, but on the laser gas nitrided sample.

AB - Nitriding is an effective method to improve the surface properties of titanium for many demanding applications such as surgical implants. In this study, a continuous wave Nd-YAG laser was used to conduct laser gas nitriding (LGN) on the substrate of commercial pure titanium. The surface characteristics of the titanium before and after the LGN process were analyzed by X-ray photoelectron spectroscopy. The results showed that most contamination signals were eliminated by sputtering the tested sample for 1 min. The nitrided surface layer created by LGN on titanium was found to be comprised of TiN, TiNxOy, TiO2, and TiC. TiO2was found only existed at the outmost surface layer and the TiN concentration in the nitrided layer increased with increasing depth. Titanium carbide was not detected on the surface of the mechanical polished Ti, but on the laser gas nitrided sample.

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