| 摘要 |
<p>Title of the Invention COBALT-RARE EARTH METAL PERMANENT MAGNETIC MATERIAL A permanent magnetic material for use under variable temperatures such as in electric motors, which has the composition (MM1-xNdx)1-ySmyCo5, in which 0.38 ? x ? 0.65, 0 ? y ? 0.25, and MM is a mischmetal of the composition Ce .alpha. La .beta. Pr ? wherein the parameters .alpha. , .beta., ? , satisfy the conditions 0.50< .alpha. < 0.70 0.22< .beta. < 0.45 0.00< ? < 0.06, and .alpha. + .beta. + ? = 1.</p> |
