Fe-based amorphous alloy and Fe-based amorphous alloy ribbon

• Main Authors: KOBAYASHI TAKAYUKI, SATO SHINYA, OZAKI, SHIGEKATSU, SATO YUICHI, TERASHIMA SHINICHI
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2023
• Subjects: ALLOYS; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The purpose of the present invention is to provide an Fe-based amorphous alloy and an Fe-based amorphous alloy ribbon which have excellent soft magnetic properties and which have low iron loss and high saturation magnetic flux density. The Fe-based amorphous alloy having excellent soft magnetic properties according to the present invention is characterized by containing, in atomic%, 8.0% to 18.0% (inclusive) of B, 2.0% to 9.0% (inclusive) of Si, 0.10% to 5.00% (inclusive) of C, 0.005% to 1.50% (inclusive) of Al, 0% to less than 1.00% of P, 0% to 0.30% (inclusive) of Mn, and 78.00% to 86.00% (inclusive) of Fe, with the remainder being impurities, and by having an amorphous structure. 本发明的目的是提供铁损低、并且具有高饱和磁通密度的软磁特性优异的Fe系非晶质合金及Fe系非晶质合金薄带。本发明的软磁特性优异的Fe系非晶质合金的特征在于，以原子％计含有B：8.0％以上且18.0％以下、Si：2.0％以上且9.0％以下、C：0.10％以上且5.00％以下、Al：0.005％以上且1.50％以下、P：0％以上且低于1.00％、Mn：0％以上且0.30％以下、Fe：78.00％以上且86.00％以下、剩余部分：杂质，组织为非晶质。