dc.contributor.authorChen, Zhaoxiang
dc.contributor.authorZhou, Kun
dc.contributor.authorLi, Zhong
dc.identifier.citationChen, 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.en_US
dc.description.abstractTitanium 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.en_US
dc.description.sponsorshipASTAR (Agency for Sci., Tech. and Research, S’pore)
dc.format.extent4 p.en_US
dc.relation.ispartofseriesThin solid films*
dc.rights© 2014 Elsevier B.V.en_US
dc.titleSteam-induced changes in surface characteristics and corrosion resistance of spark-anodized titaniumen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Materials Science and Engineeringen_US
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US

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