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Magnetostriction |
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Magnetostriction The change of length of a ferromagnetic substance when it is magnetized. More generally, magnetostriction is the phenomenon that the state of strain of a ferromagnetic sample depends on the direction and extent of magnetization. The phenomenon has an important application in devices known as magnetostriction transducers. See Ferromagnetism The magnetostrictive effect is exploited in transducers used for the reception and transmission of high-frequency sound vibrations. Nickel is often used for this application. See Ultrasonics How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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2] [9], which disproportionates below the Neel temperature at 44 K into two different phases, with different magnetic properties, whose relative proportions vary sharply with temperature in response to magnetostriction effects. Keywords: Achieved by exposing elastomers to ultrasonic vibrations induced by magnetostriction transducers. Soundbug uses magnetostriction or magnetoelasticity, licensed exclusively for use in consumer products from Olympia and Wave, and a rare material called Terfenol-D, originally developed by the U. |
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