Synthesis of bulk glassy alloys in the (Fe,Co,Ni)-B-Si-Nb system

被引：26
|
作者：
Chang, Chuntao
Shen, Baolong [1 ]
Inoue, Akihisa
机构：
[1] Tohoku Univ, Mat Res Inst, Sendai, Miyagi 9808577, Japan
[2] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808577, Japan
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2007年 / 449卷
关键词：
ferromagnetic bulk glassy alloys; high glass-forming ability; high fracture strength; good soft magnetic properties;
D O I：
10.1016/j.msea.2006.02.253
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Multi-component [(Fe1-x-yCoxNiy)(0.75)B0.25Si0.05](96)Nb-4 glassy alloys were found to exhibit distinct glass transition over the whole composition range, followed by a supercooled liquid region (Delta T-x) in the range of 40-65 K before crystallization. The saturation magnetization (I-s) is in the range of 0.3-1.1 T and coercive force (H-c) is in the range of 1-3 A/m. Bulk glassy alloys with diameters in the range up to 4 mm were successfully synthesized. The bulk glassy alloys also exhibit high Vickers hardness of 1100-1240, high fracture strength (sigma(f)) of 3700-4250 MPa, and high Young's modulous (E) of 170-210 GPa combined with true elastic strain (epsilon(e)) of 0.02 and true. plastic strain (epsilon(p)) of 0.0025-0.005. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：239 / 242
页数：4
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