Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/80891
Title: Steam-induced changes in surface characteristics and corrosion resistance of spark-anodized titanium
Authors: Chen, Zhaoxiang
Zhou, Kun
Li, Zhong
Issue Date: 2014
Source: Chen, Z., Zhou, K., & Li, Z. (2015). Steam-induced changes in surface characteristics and corrosion resistance of spark-anodized titanium. Thin Solid Films, 584, 161-164.
Series/Report no.: Thin solid films
Abstract: Titanium was spark-anodized in 1 M phosphoric acid solution. Surface characteristics and corrosion resistance of spark-anodized titanium were investigated before and after the steam exposure at 180 °C. It was found that spark-anodizing of titanium produced a layer of poorly crystallized TiO2 film with the incorporation of phosphate anions. The oxide film exhibited a porous microstructure with many craters and micro-projections on the surface. After the steam exposure for 48 h, the crystallinity of anodic TiO2 increased greatly. The original dense and smooth micro-projection surface became very loose and rough, and fine Ti(OH)PO4 crystals formed and congregated there. A phase transition mechanism has been proposed based on the experimental observations. The corrosion behavior investigation has shown that the steam exposure could reduce the corrosion resistance of spark-anodized titanium greatly.
URI: https://hdl.handle.net/10356/80891
http://hdl.handle.net/10220/38540
DOI: 10.1016/j.tsf.2014.12.018
Rights: © 2014 Elsevier B.V.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles
MSE Journal Articles

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