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The Corrosion Behavior of Titanium in Hydrogen Peroxide Solution with Various Additives

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Abstract:

The corrosion behavior of titanium in hydrogen peroxide solutions was studied by measuring the titanium ions concentration using spectrophotometer. The influence of additives (K+ ， Ca2+ ，Na+ ，Mg2+ ，Cl- ，HPO4 2-, H2PO4 - ) on the corrosion behavior of titanium was examined. The results indicated that Ca2+ exhibited the highest inhibition to the titanium corrosion in hydrogen peroxide solutions, while HPO4 2- behaved as an accelerator to the corrosion. It was suggested that the Ca2+ was absorbed on the titanium surface to form a thin film of CaTiO3 or CaO2, and consequently, inhibited the corrosion of titanium. The acceleration of the titanium corrosion in the present of HPO4 2- was caused probably by the increased defect of surface oxide films after absorption of HPO4 2- ions.

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Periodical:

Key Engineering Materials (Volumes 330-332)

Pages:

1285-1288

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.330-332.1285

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Online since:

February 2007

Authors:

Lei Xie, Xiao Xiang Wang, Jian Li

Keywords:

Corrosion Behaviour, Hydrogen Peroxide Solutions, Titanium (Ti)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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