Method for producing magnetostrictive element
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United States of America Patent
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Issued Date -
Aug 10, 2006
app pub date -
Feb 7, 2006
filing date -
Feb 7, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
It is an object of the present invention to provide a method for producing a magnetostrictive element which can give an anisotropic magnetostrictive element from a starting material containing Sm and a transition metal element. The method produces an anisotropic magnetostrictive element by compacting the starting powder in a magnetic field to produce a compact, and sintering the compact to produce a sintered body having a composition of SmFe.sub.2. It is preferable that the starting powder is produced by mixing a first alloy for the main phase of the magnetostrictive element with a second alloy having a lower melting point than the first alloy. It is recommended that the first alloy has a larger particle size than the second alloy.
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