(Fe,Co,Ni)-B-Si-Nb bulk glassy alloy with super-high strength and some ductility

被引：7
|
作者：
Shen, BL [1 ]
Inoue, A
机构：
[1] Tohoku Univ, Mat Res Inst, Sendai, Miyagi 9808577, Japan
[2] Japan Sci & Technol Agcy, Res & Dev Project, Sendai, Miyagi 9808577, Japan
来源：
JOURNAL OF MATERIALS RESEARCH | 2005年 / 20卷 / 01期
关键词：
D O I：
10.1557/jmr.2005.0001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Glassy [(Fe0.8Co0.1Ni0.1)(0.75)B0.2Si0.05](96)Nb-4 alloy rods with glass transition temperature of 835 K, followed by a large supercooled liquid region of 55 K were produced in the diameter range up to 2 mm by copper mold casting. The glassy alloy rods exhibit super-high true fracture strength of 4225 MPa combined with elastic strain of 0.02 and true plastic strain of 0.005. The super-high strength alloy simultaneously exhibits high magnetization of 1.1 T, low coercivity of 3 A/m, and high permeability of 1.8 X 10(4) at 1 kHz. The success of synthesizing a super-high strength Fe-based bulk glassy alloy with some compressive plastic strain and good soft magnetic properties is encouraging for future development of Fe-based bulk glassy alloys as new engineering and functional materials.
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页码：1 / 5
页数：5
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