Multielement interstitial hard magnetic material and process for producing magnetic powder and magnet using the same
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United States of America Patent
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Jul 16, 2002
Grant Date -
N/A
app pub date -
Jun 14, 2000
filing date -
Sep 14, 1999
priority date (Note) -
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Abstract
There is provided a multielement rare earth-iron interstitial permanent magnetic material having the formula of (R.sub.1-.alpha. R'.sub..alpha.).sub.x (Mo.sub.1-.beta. M.sub..beta.).sub.y Fe.sub.100-x-y-z l.sub.z, wherein, R is a light rare earth element; R' is a heavy rare earth element; .alpha. is from 0.01 to 0.14; x is an atomic percent from 4 to 15; M is an element of IIIA, IVA, IVB, VB, VIB and VIIB families in the periodic table; .beta. is from 0.01 to 0.98; y is an atomic percent from 3 to 20; l is an element occupying the interstitial site of the crystal selected from the first and the second periodic groups. There is also provided a process for producing high performance anisotropic magnetic powder and magnet by using the above-mentioned material.
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