Superhigh strength and excellent soft-magnetic properties of [(Co1-xFex)0.75B0.2Si0.05]96Nb4 bulk glassy alloys

被引：44
|
作者：
Shen, Baolong [1 ]
Chang, Chuntao [1 ]
Kubota, Takeshi [1 ]
Inoue, Akihisa [1 ]
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
来源：
JOURNAL OF APPLIED PHYSICS | 2006年 / 100卷 / 01期
关键词：
D O I：
10.1063/1.2211207
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Bulk glassy alloys of [(Co1-xFex)(0.75)B0.2Si0.05](96)Nb-4 with diameters up to 4 mm were synthesized in the composition range of x=0.1-0.4. In addition to high glass-forming ability, the bulk glassy alloys exhibit superhigh fracture strength of 3980-4170 MPa and Young's modulus of 190-210 GPa, as well as excellent soft-magnetic properties, i.e., rather high saturation magnetization of 0.71-0.97 T, low coercive force of 0.7-1.8 A/m, high permeability of (1.48-3.25)x10(4), and extremely low saturation magnetostriction of (0.55-5.76)x10(-6). The mechanisms for the high glass-forming ability, superhigh strength, and excellent soft-magnetic properties of the Co-based bulk glassy alloys are discussed. (c) 2006 American Institute of Physics.
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页数：5
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