Soft magnetic properties of bulk Fe-based amorphous alloys prepared by copper mold casting

被引：87

作者：

Inoue, A ^{[1
]}

Takeuchi, A ^{[1
]}

Zhang, T ^{[1
]}

Murakami, A ^{[1
]}

Makino, A ^{[1
]}

机构：

[1] ALPS ELECT CO LTD,CENT RES LAB,NAGAOKA BRANCH,NAGAOKA,NIIGATA 940,JAPAN

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1996年 / 32卷 / 05期

关键词：

D O I：

10.1109/20.539178

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Fe-based amorphous alloys in Fe- (Al,Ga)-(P,B,C,Si) system were found to exhibit a wide supercooled liquid region exceeding 50 K before crystallization. The high stability of the supercooled liquid enabled the production of cylindrical bulk amorphous alloys with diameters up to 2 mm by copper mold casting. The Pe-based bulk amorphous alloys exhibit ferromagnetism with the Curie temperature of about 600 K. The saturation magnetization (Bs), coercivity (Hc) and permeability (mu(e)) at 1 kHz in as-quenched state are 1.07 T, 12.7 A/m and 3600, respectively, for Fe73Al5Ga2P11C5B4 and 1.14 T, 0.5 A/m and 3200, respectively for Fe72Al5Ga2P10C6B4Si1. Besides, the use of the Fe-based amorphous alloys enabled the production of thick amorphous ribbons above 100 mu m in thickness and the thick samples also exhibit good soft magnetic properties. The success of synthesizing the bulk Fe-based amorphous alloys with good soft magnetic properties is promising for future development as a new type of soft magnetic materials.

引用

页码：4866 / 4871

页数：6

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