Fernico

From Academic Kids

fr:Fernico

An alloy of Iron (Fer), Nickel (Ni) and Cobalt (Co). The abbreviations form the name which is (or was) a trade mark. The alloy has the same linear coefficient of expansion of certain types of glass, and thus makes an ideal material for the lead out wires in light bulbs and thermionic valves.

Cunife exhibits a similar property.

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