Amorphous alloy

Abstract

Abstract PURPOSE:To obtain an amorphous alloy having low coercive force and superior square characteristics at high frequency and suitable for use as the material of a magnetic core by rapidly cooling an alloy material having a restricted composition contg. Fe, B, Si, Ti, etc. besides Co as a principal component from a molten state. CONSTITUTION:An amorphous alloy expressed by a formula (Co1-x1 Fex1Mx2)x3 -Bx4Si100-x3-x4 (where M is at least 1 kind of element selected from Ti, v, Cr, Mn, Ni, Zr, Nb, Mo, Ru, Hf, Ta, W and Re, 0<=x1<=0.10, 0<=x2<=0.10, 70<=x3<= 79 and 5<=x4<=9) is manufactured as a platelike thin body by rapidly cooling an alloy material having the prescribed compositional ratio from a molten state by means of a single roll. It is preferable to set the thickness of the thin body to <=25mum, especially about 10-25mum.

Inventors

• 👤 Koichiro Inomata
• 👤 浩一郎 猪俣
• 👤 Michiko Hasegawa
• 👤 長谷川　「みち」雄
• 👤 Masakatsu Haga
• 👤 羽賀　正勝
• 👤 Takao Sawa
• 👤 孝雄 沢

Bibliographic Details