Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11642
Title: Surface morphology of a laser surface nitrided and etched Ti-6Al-4V alloy
Authors: Man, HC 
Zhao, NQ
Cui, ZD
Keywords: Adhesion
Laser nitriding
Selective etching
Titanium alloy
Issue Date: 2005
Publisher: Elsevier
Source: Surface and coatings technology, 2005, v. 192, no. 2-3, p. 341-346 How to cite?
Journal: Surface and coatings technology 
Abstract: A laser surface nitriding process was applied to a Ti-6Al-4V alloy to obtain a surface layer consisting of TiN dendrites and a titanium alloy matrix. The dendritic volume fraction can be controlled by varying the nitrogen flow rate during the laser gas nitriding. By subsequently applying a selective etching process, the matrix material in the alloyed layer can be selectively removed and a three-dimensional network of TiN dendrites is left on the surface anchoring on the substrate. The 3D dendritic network provides extra surface area and a locking mechanism for the adhesion joint with a ceramic layer. The interface cross-section microstructure of such adhesion jointing surfaces is discussed.
URI: http://hdl.handle.net/10397/11642
ISSN: 0257-8972
EISSN: 1879-3347
DOI: 10.1016/j.surfcoat.2004.07.076
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