| 摘要 |
A heat treated, wear-resistant high-permeability alloy consisting of Si, Al, at least one element selected from Y and La series elements and Fe, and a heat treated, wear-resistant high-permeability alloy consisting of Si, Al, at least one element selected from Y and La series elements and Fe as main ingredients and containing at least one element selected from the group consisting of V, Nb, Ta, Cr, Mo, W, Cu, Ge, Ti, Ni, Co, Mn, Zr, Sn, Sb, Be and Pb as subingredients, have an initial permeability of more than 1,000, a maximum permeability of more than 3,000, a hardness of more than 490 (Hv) and an average grain size of smaller than 2 mm, and are particularly suitable as a magnetic material for magnetic heads in magnetic recording and reproducing systems.
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