| 摘要 |
<p>PURPOSE:To produce a magnetic material having superior magnetic properties by specifying a draft at the time of cold rolling an Ni-Fe-Cr soft magnetic alloy having a specific composition in which respective contents of S, O, and B as impurity elements are reduced. CONSTITUTION:A soft-magnetic alloy having a composition which contains, by weight, 36-52% Ni and 0.5-10% Cr and in which the contents of S, O, and B are limited to <=0.003%, <=0.005%, and <=0.005%, respectively, and also the total content of S, O, and B is limited to <=0.008% is hot rolled and is then cold-rolled at >=60% draft. By this method, the Ni-Fe-Cr soft magnetic alloy having high magnetic permeability and saturation magnetic flux density can be obtained. This alloy is useful for material for magnetic shielding, iron core, etc.</p> |
