Adhesion Strength of Sol-Gel Derived FHA Coating on Laser Gas Nitrided Pure Ti
Fluor-hydroxyapatite (FHA) films were deposited on titanium and laser gas nitrided titanium substrates using sol-gel technique respectively. Typical apatite structures were obtained for all coatings after dipping and subsequent heat treatment from 600°C to 800°C. The obtained films were uniform and dense, with a thickness of 5 μm. The 3-D TiN dendritic structure fabricated on the surface of Ti plate using laser gas nitriding technique in advance should be help anchor the HA/FHA coating and improved the interfacial adherence significantly compared with the naked titanium surface.
Zhong Wei Gu, Yafang Han, Fu Sheng Pan, Xitao Wang, Duan Weng and Shaoxiong Zhou
S. J. Wang et al., "Adhesion Strength of Sol-Gel Derived FHA Coating on Laser Gas Nitrided Pure Ti", Materials Science Forum, Vols. 610-613, pp. 1294-1297, 2009