Mechanical behaviour of biodegradable AZ31 magnesium alloy after long term in vitro degradation

What is it about?

This paper considers the degradation behaviour of AZ31 magnesium alloy at up to 9 months in physiological solution which was changed every 2-5 days to ensure the degradation environment is nearly constant. Many studies have looked at the of Mg alloys, but generally for times less than a month. Here we show that the degradation rate peaks after 2-3 weeks and then drops to a long term stable rate.

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Why is it important?

Anyone thinking about long term implantation of AZ31 Mg alloy needs to consider the long term behaviour.