Evolution of Corrosion Resistance in the LAE442 Magnesium Alloy Processed by ECAP

What is it about?

The influence of processing by equal channel angular pressing on the corrosion resistance was investigated in the extruded LAE442 magnesium alloy. Continuous increase of the corrosion resistance with the increasing number of passes wasaused by the combined effect of grain refinement and aluminum and lithium oxides formation within the corrosion layer.

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Why is it important?

Magnesium alloys have a potential to be used as biodegradable bone implants, nevertheless the corrosion rate is still too high. The increase in corrosion resistance by tayloring the microstructure could bring these materials closer to their application in medicine.