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

被引：0
|
作者：
Shen B. [1 ,2 ]
Inoue A. [1 ,2 ]
机构：
[1] Institute for Materials Research, Tohoku University
[2] Research and Development Project, Core Research for Evolution Science and Technology, Japan Science and Technology Agency
来源：
Journal of Materials Research | 2005年 / 20卷 / 1期
基金：
日本科学技术振兴机构;
关键词：
D O I：
10.1557/JMR.2005.0001
中图分类号：
学科分类号：
摘要：
Glassy [(Fe0.8 Co0.1 Ni0.1) 0.75 B0.2 Si0.05]96 Nb4 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 × 104 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. © 2005 Materials Research Society.
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页码：1 / 5
页数：4
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