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Title: Microstructure and surface characteristics of the laser gas nitrided titanium
Authors: Cui, ZD
Yang, XJ
Zhu, SL
Man, HC 
Keywords: Characteristics
Laser gas nitriding
Surface layer
Issue Date: 2004
Publisher: 中國學術期刊(光盤版)電子雜誌社
Source: 材料工程 (Journal of materials engineering), 2004, no. 4, p. 3-6+10 How to cite?
Journal: 材料工程 (Journal of materials engineering) 
Abstract: A continuous wave Nd-YAG laser was used to perform laser gas nitriding on titanium. The microstructure, surface composition and structure were investigated by SEM , XRD and XPS. The results showed that a relatively smooth and crack-free nitrided layer was obtained on titanium by laser gas nitriding. Metallurgical bonding between the nitrided layer and Ti substrate was observed. The outmost surface of the nitrided layer was found to be comprised of dendritic TiN, TiNxOy, TiO2 and TiC. Carbon and oxygen contamination were detected on the outmost surface of the sample. The intensity of the TiN dendrite in the nitrided layer decreased with increasing depth.
ISSN: 1001-4381
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