Thermal Processing of Calcium Phosphate Coatings on Zirconia Ceramics

Abstract:

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A two-step, biomimetic approach was applied for the rapid deposition of octacalcium phosphate (OCP) coatings on zirconia ceramics (Y-TZP). In the first step, sintered zirconia discs were immersed into a supersaturated Ca-P solution with pH=7.4 (CPS1). In the second step, the substrates were transferred from the CPS1 to another Ca-P solution with a lower pH (CPS2). After 6 hours of immersion in the CPS2, a thick coating consisting of large OCP crystals was obtained. Afterwards, the coated substrates were subjected to a thermal treatment in order to improve the attachment of the coating to the substrate.

Info:

Periodical:

Key Engineering Materials (Volumes 493-494)

Main Theme:

Edited by:

Eyup Sabri Kayali, Gultekin Goller and Ipek Akin

Pages:

462-466

DOI:

10.4028/www.scientific.net/KEM.493-494.462

Citation:

M. Štefanič et al., "Thermal Processing of Calcium Phosphate Coatings on Zirconia Ceramics", Key Engineering Materials, Vols. 493-494, pp. 462-466, 2012

Online since:

October 2011

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Price:

$35.00

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