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ISSN: 2637-4579

Open Access Journal of Biomedical Engineering and Biosciences

Short Communication(ISSN: 2637-4579)

A Monte Carlo Simulation of Pitting Corrosion of Magnesium Alloys

Volume 1 - Issue 1

Chia-Jung Chang1*, Tin-Kan Hung2, Wei-Ching Hung1 and Chih-Han Chang1

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    • 1Department of Biomedical Engineering, National Cheng Kung University, Taiwan
    • 2Bioengineering Department, University of Pittsburgh, USA

    *Corresponding author: Chia-Jung Chang, Department of Biomedical Engineering, National Cheng Kung University, Taiwan

Received: January 30, 2018;   Published: February 05, 2018

DOI: 10.32474/OAJBEB.2018.01.000103

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In recent years, many studies on magnesium (Mg) alloys are focused on developing biodegradable medical implant. Interests are also placed upon the implant geometry related to corrosion processes. In this study, a simulation model to analyze pitting corrosion of Mg alloys is established with a Monte Carlo procedure. The Mg specimen is meshed with uniform hexahedral micro elements. Each element can be characterized by a corrosion probability (CP) for a time interval. The CP value is based on factors such as the number of surfaces exposed to the solution, properties of oxide layer, the porous structure and the Mg matrix. The results are compared with experimental measurement using a micro computed tomography (CT). The computational model appears to be useful for long-term simulation and analysis of corrosion behaviors and prediction for biodegradable implant development.

Keywords: Magnesium Alloy; Micro-CT; Monte Carlo Method; Pitting Corrosion simulation

Abbrevations: Mg: Magnesium; CPi: Corrosion Probability;EAi:Expose Attribute;OAi: Oxide Attribute;CAi : Corrosion Attribute; Micro-CT:Micro Computed Tomography

Abstract| Introduction| Conclusion| Acknowledgement| References|