Journal
CORROSION SCIENCE
Volume 112, Issue -, Pages 495-506Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2016.08.017
Keywords
Biodegradable metal; Cancellous bone; Dynamic degradation; Magnesium; Porous material; Scaffold
Funding
- Universiti Teknologi Malaysia (UTM) via a Tier-1 grant scheme [Q.J130000.2509.14H26]
- Canadian Natural Sciences and Engineering Research Council (NSERC) via the Discovery grant scheme
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This study shows the effect of dynamic flow on the degradation behaviour and mechanical integrity of porous magnesium. A test rig that mimics the environment surrounding a cancellous bone was developed and a dynamic immersion test was performed to assess the degradation rate of the material for bone scaffold application. Three different percentages of porous magnesium (30%, 41%, and 55%) were immersed in simulated body fluid. The results show that mass loss and mechanical integrity of the specimens deteriorated linearly with an increase in porosity and degradation time, correlating to a drop of 41% and 89%, respectively, within 3 days. (C) 2016 Elsevier Ltd. All rights reserved.
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