Discovered in 1755 by Joseph Black in
Edinburgh, Scotland. First isolated by Sir Humphrey Davy of
London, England in 1808. The name is derived from "Magnesia",
the Greek district in Thessaly where it was first found.
Uses
Used
in pyrotechnics.
Oxide
form used as refractory.
Used
in aluminum alloys.
Used
in steel making to increase
toughness in high-strength low alloy steels by controlling the shape
of inclusions. It also deoxidizes
steels.
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