Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15372
Title: Formation of nanoporous titania on bulk titanium by hybrid surface mechanical attrition treatment
Authors: Wen, M
Gu, JF
Liu, G
Wang, ZB
Lu, J
Keywords: Nanocrystalline
Nanoporous
SMAT
Titania
Issue Date: 2007
Publisher: Elsevier
Source: Surface and coatings technology, 2007, v. 201, no. 14, p. 6285-6289 How to cite?
Journal: Surface and coatings technology 
Abstract: Titanium has been used as an important implant material in humans, and it is important to investigate the interaction between titanium and H2O2 produced from the inflammatory response during the implantation procedure. However, the reports about the interaction between H2O2 and nanostructured or ultrafine-grained Ti are still very limited. In this work, the interaction between H2O2 and bulk Ti with a nanostructure surface was reported. At first, a commercial pure Ti plate underwent a surface mechanical attrition treatment (SMAT) in vacuum for 1 h to produce a nanocrystalline layer of Ti about 30??gm thick. Then the SMAT Ti was immersed into hydrogen peroxide solution for 24?h at 25??XC, and nanoporous titania was produced on the SMAT Ti surface. The nanoporous structure could be retained even after calcinations at 600??XC, while only intergranular corrosion appeared in coarse-grained Ti after the same chemical treatment.
URI: http://hdl.handle.net/10397/15372
ISSN: 0257-8972
EISSN: 1879-3347
DOI: 10.1016/j.surfcoat.2006.11.031
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