Magnesium under-dashboard automotive components

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SMS_F2014_06 · Structural Materials Selection, Fall 2014 · §5.p10

Where DOE-funded magnesium use actually landed in production cars: hidden, non-cosmetic, vehicle-life-only structural support.

In any case, there are people saying, oh, we're going to put more magnesium in automobiles. But where do we put it? Under the dashboard, because we don't want any atmospheric corrosion near it. We also don't want it where people see it starting to corrode. Go look under the dashboard of a ten-year-old car, take off the plastic, and you're going to see corroded magnesium. It's still probably fine for holding the wires and the radio in place, and it will last the life of the vehicle. But magnesium's big Achilles heel is that it corrodes.