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Micro-Arc Oxidation and Electrophoretic Deposition of Nano-Grain Merwinite (Ca3mgsi2o8) Surface Coating on Magnesium Alloy As Biodegradable Metallic Implant Publisher



Razavi M1, 2, 3, 4, 5 ; Fathi M1, 4 ; Savabi O3 ; Vashaee D5 ; Tayebi L4, 6
Authors
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Authors Affiliations
  1. 1. Biomaterials Research Group, Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
  2. 2. Dental Materials Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Torabinejad Dental Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
  4. 4. School of Materials Science and Engineering, Helmerich Advanced Technology Research Center, Oklahoma State University, Tulsa 74106, OK, United States
  5. 5. School of Electrical and Computer Engineering, Helmerich Advanced Technology Research Center, Oklahoma State University, Tulsa 74106, OK, United States
  6. 6. School of Chemical Engineering, Oklahoma State University, Stillwater 74078, OK, United States

Source: Surface and Interface Analysis Published:2014


Abstract

Magnesium alloys are promising biomaterials as biodegradable implant for orthopedic applications. However, their low corrosion resistance and poor bioactivity have prohibited their implant applications. In order to enhance these two properties, a nano-grain merwinite coating was prepared on magnesium alloy. Its corrosion and the bioactivity behavior were characterized with electrochemical and immersion tests. The results showed that the nano-grain merwinite coating can improve both the corrosion resistance and the bioactivity of the magnesium alloy making it an appropriate material for biodegradable bone implants. Copyright © 2014 John Wiley & Sons, Ltd. Copyright © 2014 John Wiley & Sons, Ltd.
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