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Tribological behavior of plasma-sprayed carbon nanotube-reinforced hydroxyapatite coating in physiological solution

Paper ID Volume ID Publish Year Pages File Format Full-Text
2478 113 2007 8 PDF Available
Title
Tribological behavior of plasma-sprayed carbon nanotube-reinforced hydroxyapatite coating in physiological solution
Abstract

Wear behavior of plasma-sprayed carbon nanotube (CNT)-reinforced hydroxyapatite (HA) coating is evaluated in the simulated body fluid environment. Apart from enhancing the fracture toughness and providing biocompatibility, CNT-reinforced HA coating demonstrated superior wear resistance compared with that of hydroxyapatite coating without CNT. Initiation and propagation of microcracks during abrasive wear of plasma-sprayed hydroxyapatite coatings was suppressed by CNT reinforcement. Surface characterization and wear studies have shown that in addition to acting as underprop lubricant, CNTs provide reinforcement via stretching and splat-bridging for enhanced abrasion resistance in vitro.

Keywords
Hydroxyapatite; Carbon nanotubes; Plasma spraying; Wear; Simulated body fluid
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 3, Issue 6, November 2007, Pages 944–951
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