Soft magnetic alloy material
AssigneeNisshin Steel Co., Ltd.
InventorsTakuji Okiyama, Ryoji Hirota, Takuji Hara, Yutaka Kawai, Toshihiko Takemoto
Life of this patent
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Abstract
Fe-Ni, Fe-Ni-Cr or Fe-Ni-Cr-Mo magnetic alloy material, the surface roughness of which is adjusted to Rz.gtoreq.0.5 or Ra.gtoreq.0.06, is disclosed. Parts made of this material has resistance to mutual adhesion or sticking when they are subjected to anealing treatment.
Claims16
A plate material of an alloy consisting of in weight percent 35-60% Ni and the balance Fe and unavoidable incidental impurities and containing 0.04-1.2% of one or more of Al and Ti, said plate having a surface roughness of Rz.gtoreq.0.5 .mu.m or Ra.gtoreq.0.06 .mu.m.
A plate material of an alloy consisting of in weight percent 60-85% Ni, .ltoreq.6% Mo, .ltoreq.4% Cu and the balance Fe and unavoidable incidental impurities and containing 0.04-1.2% of one or more of Al and Ti, said plate having a surface roughness of Rz.gtoreq.0.5 .mu.m or Ra.gtoreq.0.06 .mu.m.
A plate material of an alloy consisting of in weight percent 40-52% Ni, 0.5-5% Cr and the balance Fe and unavoidable incidental impurities and containing 0.04-1.2% of one or more of Al and Ti, said plate having a surface roughness of Rz.gtoreq.0.5 .mu.m or Ra.gtoreq.0.06 .mu.m.
A plate material of an alloy consisting of in weight percent 35-40% Ni, 5-14% Cr and the balance Fe and unavoidable incidental impurities and containing 0.04-1.2% of one or more of Al and Ti, said plate having a surface roughness of Rz .gtoreq.0.5 .mu.m or Ra.gtoreq.0.06% .mu.m.
Dependencies are inferred from the claim text.