Permalloy

Permalloy is a nickel-iron magnetic alloy, with about 20% iron and 80% nickel content. Invented in 1914 by physicist Gustav Elmen at Bell Telephone Laboratories, it is notable for its very high magnetic permeability, which makes it useful as a magnetic core material in electrical and electronic equipment, and also in magnetic shielding to block ma...
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Permalloy

noun an 80/20 alloy of nickel and iron; easily magnetized and demagnetized
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Permalloy

Permalloy is a nickel steel alloy, containing about 78 percent nickel. It is characterised by a very high permeability in low magnetic fields. It is extensively used in submarine cables.
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Permalloy

trademark of the Western Electric Company for nickel-iron alloys having much higher magnetic permeability than iron alone. It is widely used for ... [3 related articles]
Found on http://www.britannica.com/eb/a-z/p/46

Permalloy

[n] - an 80/20 alloy of nickel and iron
Found on http://www.webdictionary.co.uk/definition.php?query=Permalloy
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