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Apatite formed on the surface of plasma-sprayed wollastonite coating immersed in simulated body fluid

Paper ID Volume ID Publish Year Pages File Format Full-Text
13819 913 2012 6 PDF Available
Title
Apatite formed on the surface of plasma-sprayed wollastonite coating immersed in simulated body fluid
Abstract

Wollastonite coatings on titanium alloys substrates were prepared by plasma spraying and incubated in simulated body fluids for different periods to investigate the nucleation and growth of apatite on their surface. Surface structural changes of the specimens were analyzed by XRD and IR technologies. SEM and EDS were used to observe surface morphologies and determine the composition of wollastonite coatings before and after immersion in simulated body fluid. The changes in the concentrations of calcium, silicon and phosphorus in the simulated body fluids due to the immersion of the specimens were measured by inductively coupled plasma atomic emission spectroscopy. The results obtained showed that hydroxycarbonate apatite can be formed on the surface of the coating soaked in SBF for 1 day. With longer immersion periods, the coating surface was covered by hydroxycarbonate apatite, which indicated that the wollastonite coating possesses good bioactivity.

Keywords
Wollastonite coatings; Plasma spraying; Simulated body fluid; Hydroxycarbonate apatite
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Apatite formed on the surface of plasma-sprayed wollastonite coating immersed in simulated body fluid
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 22, Issue 14, 2001, Pages 2007–2012
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us