New magnesium alloy shows exceptional corrosion resistance

An image showing the alloy

Source: © Daniel Höche/Helmholtz-Zentrum Geesthacht

Magnesium reaps big benefits from tiny amounts of calcium

Scientists in Germany have created an alloy with an exceptionally low corrosion rate – lower, even, than ultra high-purity magnesium – that they say approaches stainless magnesium, by alloying pure magnesium with tiny amounts of calcium.