Enhancing the performance of calcium phosphate coating on a magnesium alloy for bioimplant applications

Kannan, M. Bobby (2012) Enhancing the performance of calcium phosphate coating on a magnesium alloy for bioimplant applications. Materials Letters, 76. pp. 109-112.

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Abstract

A magnesium alloy, AZ91, was coated with calcium phosphate using pulse-potential method in ethanol containing coating solution for improved degradation resistance of the alloy in body fluid. Electrochemical impedance spectroscopy and potentiodynamic polarization experiments in simulated body fluid suggested that the degradation resistance of the pulse-potential coated alloy was higher than that of the constant-potential coated alloy. Scanning electron microscopy analysis revealed that the morphology of the pulse-potential coating played a critical role in enhancing the coating performance in simulated body fluid.

Item ID: 21505
Item Type: Article (Refereed Research - C1)
Keywords: magnesium alloys; biomaterials; calcium phosphate; corrosion
ISSN: 1873-4979
Date Deposited: 15 May 2012 04:06
FoR Codes: 09 ENGINEERING > 0912 Materials Engineering > 091207 Metals and Alloy Materials @ 100%
SEO Codes: 86 MANUFACTURING > 8611 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) > 861199 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) not elsewhere classified @ 100%
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