The influence of laser power and repetition rate on oxygen and nitrogen insertion into titanium using pulsed Nd:YAG laser irradiation

被引：30
作者：
Lavisse, L. [1 ]
Jouvard, J. M. [1 ]
Gallien, J. P. [2 ]
Berger, P. [2 ]
Grevey, D. [1 ]
Naudy, Ph. [3 ]
机构：
[1] IUT Chalon sur Saone, CNRS UMR 5209, ICB, F-71100 Chalon Sur Saone, France
[2] CEA Saclay, CNRS, CEA, UMR 9956,LPS, F-91191 Gif Sur Yvette, France
[3] CEA VALDUC, F-21120 Is Sur Tille, France
来源：
APPLIED SURFACE SCIENCE | 2007年 / 254卷 / 04期
关键词：
laser surface treatments; titanium oxides; titanium nitrides; NRA;
D O I：
10.1016/j.apsusc.2007.07.204
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Oxygen and nitrogen insertion in a titanium substrate is performed in air using a Q-switched Nd-YAG laser. This process modifies the surface by the formation of specific layers on the substrate. These layers show different properties, largely influenced by the insertion of elements in the layers. The treatment conditions, especially the laser parameters (fluence and repetition rate), must be known and controlled. Using nuclear analysis, we demonstrate that oxygen insertion is mainly influenced by repetition rate, and that nitrogen insertion is controlled by laser fluence. The physical phenomena involved in the oxygen and nitrogen insertion are discussed. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：916 / 920
页数：5
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