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The Mechanical Properties and Corrosion Behavior of Double-Layered Nano Hydroxyapatite-Polymer Coating on Mg-Ca Alloy

Bakhsheshi-Rad, Hamid Reza and Hamzah, Esah and Abdul Kadir, Mohammed Rafiq and Saud, Safaa Najah and Kasiri-Asgarani, Masoud (2015) The Mechanical Properties and Corrosion Behavior of Double-Layered Nano Hydroxyapatite-Polymer Coating on Mg-Ca Alloy. Journal Of Materials Engineering And Performance, 24 (10). pp. 4010-4021. ISSN 1059-9495

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Official URL: http://dx.doi.org/10.1007/s11665-015-1661-4

Abstract

Nano-hydroxyapatite (HA)/poly(e-caprolactone) (PCL) coatings with thickness of about 45-55 µm were prepared on the surface of a Mg-Ca alloy by a combination of electrochemical deposition and dip-coating methods. The results indicate that incorporation of nano-HA as an inner layer affects the porosity of the PCL-coated layer as top layer and enhances the corrosion resistance of Mg-Ca alloys. The nano-HA/PCL-coated samples showed higher Rp (823.1 kO cm2) and lower icorr (5.85E-2 µA/cm2) compared with uncoated. Significant enhancement in the compressive strength was observed in the both nano-HA/PCL and PCL compared with uncoated samples after 10 days immersion in SBF.

Item Type:Article
Uncontrolled Keywords:composite coating, corrosion behavior, mechanical properties, Mg alloys
Subjects:A General Works
Divisions:Mechanical Engineering
ID Code:58966
Deposited By: Haliza Zainal
Deposited On:04 Dec 2016 12:07
Last Modified:07 Mar 2017 14:58

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