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- Q1061375 subject Q7195194.
- Q1061375 subject Q8595476.
- Q1061375 subject Q8799117.
- Q1061375 abstract "Permalloy is a nickel–iron magnetic alloy, with about 80% nickel and 20% iron 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 magnetic fields. Commercial permalloy alloys typically have relative permeability of around 100,000, compared to several thousand for ordinary steel.In addition to high permeability, its other magnetic properties are low coercivity, near zero magnetostriction, and significant anisotropic magnetoresistance. The low magnetostriction is critical for industrial applications, allowing it to be used in thin films where variable stresses would otherwise cause a ruinously large variation in magnetic properties. Permalloy's electrical resistivity can vary as much as 5% depending on the strength and the direction of an applied magnetic field. Permalloys typically have the face centered cubic crystal structure with a lattice constant of approximately 0.355 nm in the vicinity of a nickel concentration of 80%. A disadvantage of permalloy is that it is not very ductile or workable, so applications requiring elaborate shapes, such as magnetic shields, are made of other high permeability alloys such as mu metal. Permalloy is used in transformer laminations and magnetic recording heads.".
- Q1061375 thumbnail Permalloy_strip.jpg?width=300.
- Q1061375 wikiPageWikiLink Q1037623.
- Q1061375 wikiPageWikiLink Q1053.
- Q1061375 wikiPageWikiLink Q108193.
- Q1061375 wikiPageWikiLink Q1088161.
- Q1061375 wikiPageWikiLink Q11408.
- Q1061375 wikiPageWikiLink Q11658.
- Q1061375 wikiPageWikiLink Q1458918.
- Q1061375 wikiPageWikiLink Q154345.
- Q1061375 wikiPageWikiLink Q177897.
- Q1061375 wikiPageWikiLink Q211702.
- Q1061375 wikiPageWikiLink Q217365.
- Q1061375 wikiPageWikiLink Q28352.
- Q1061375 wikiPageWikiLink Q307036.
- Q1061375 wikiPageWikiLink Q332007.
- Q1061375 wikiPageWikiLink Q3501010.
- Q1061375 wikiPageWikiLink Q37756.
- Q1061375 wikiPageWikiLink Q432635.
- Q1061375 wikiPageWikiLink Q466686.
- Q1061375 wikiPageWikiLink Q473227.
- Q1061375 wikiPageWikiLink Q506572.
- Q1061375 wikiPageWikiLink Q528522.
- Q1061375 wikiPageWikiLink Q58347.
- Q1061375 wikiPageWikiLink Q677.
- Q1061375 wikiPageWikiLink Q7195194.
- Q1061375 wikiPageWikiLink Q721587.
- Q1061375 wikiPageWikiLink Q744.
- Q1061375 wikiPageWikiLink Q830044.
- Q1061375 wikiPageWikiLink Q840970.
- Q1061375 wikiPageWikiLink Q8595476.
- Q1061375 wikiPageWikiLink Q8799117.
- Q1061375 wikiPageWikiLink Q898730.
- Q1061375 wikiPageWikiLink Q902540.
- Q1061375 comment "Permalloy is a nickel–iron magnetic alloy, with about 80% nickel and 20% iron 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 magnetic fields.".
- Q1061375 label "Permalloy".
- Q1061375 depiction Permalloy_strip.jpg.