Formation of Porous (Ca, P)-Doped TiO2/Dense Ti Double Coatings on NiTi Alloy

Abstract:

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NiTi alloys are widely used for bone implants due to their good mechanical properties. However, they can suffer certain disadvantages, such as leaching of toxic nickel ions and poor osteoinductive properties. A porous (Ca, P)-doped TiO2 /dense Ti double coatings on NiTi alloy with porous (Ca, P)-doped TiO2 coating as the top layer and a dense Ti coating as the interlayer should possess a very good combination of bioactivity and chemical stability. In this paper, the double coatings were formed by applying a duplex process of arc ion plating (AIP) and micro-arc oxidation (MAO). X-ray diffraction (XRD), scanning electron microscopy (SEM) and electron probe microanalysis (EPMA) have been used to investigate the microstructure and morphology of the coatings.

Info:

Periodical:

Materials Science Forum (Volumes 675-677)

Edited by:

Yi Tan and Dongying Ju

Pages:

333-336

DOI:

10.4028/www.scientific.net/MSF.675-677.333

Citation:

H. Zhao et al., "Formation of Porous (Ca, P)-Doped TiO2/Dense Ti Double Coatings on NiTi Alloy", Materials Science Forum, Vols. 675-677, pp. 333-336, 2011

Online since:

February 2011

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Price:

$35.00

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