Soft magnetic Fe 25 Co 25 Ni 25 (B, Si) 25 high entropy bulk metallic glasses

2015 ◽  
Vol 66 ◽  
pp. 8-12 ◽  
Author(s):  
Tianlong Qi ◽  
Yanhui Li ◽  
Akira Takeuchi ◽  
Guoqiang Xie ◽  
Haitao Miao ◽  
...  
Keyword(s):  
Metallic Glasses ◽  
Bulk Metallic Glasses ◽  
Soft Magnetic ◽  
High Entropy

Relaxation-Induced Changes in High-Entropy Bulk Metallic Glasses

2021 ◽  
Vol 133 (2) ◽  
pp. 175-182
Author(s):  
A. S. Makarov ◽  
E. V. Goncharova ◽  
J. C. Qiao ◽  
N. P. Kobelev ◽  
V. A. Khonik
Keyword(s):  
Metallic Glasses ◽  
Bulk Metallic Glasses ◽  
High Entropy ◽  
Induced Changes

Septenary Zr–Hf–Ti–Al–Co–Ni–Cu high-entropy bulk metallic glasses with centimeter-scale glass-forming ability

Materialia ◽  
2019 ◽  
Vol 7 ◽  
pp. 100372 ◽  
Author(s):  
Takeshi Wada ◽  
Jing Jiang ◽  
Kunio Yubuta ◽  
Hidemi Kato ◽  
Akira Takeuchi
Keyword(s):  
Metallic Glasses ◽  
Bulk Metallic Glasses ◽  
Glass Forming Ability ◽  
High Entropy ◽  
Glass Forming

Effects of Cu additions on mechanical and soft-magnetic properties of CoFeBSiNb bulk metallic glasses

2018 ◽  
Vol 737 ◽  
pp. 815-820 ◽  
Author(s):  
Genlei Zhang ◽  
Qianqian Wang ◽  
Chenchen Yuan ◽  
Weiming Yang ◽  
Jing Zhou ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Metallic Glasses ◽  
Bulk Metallic Glasses ◽  
Soft Magnetic Properties ◽  
Soft Magnetic

Effect of B2O3 Fluxing on Glass-Forming Ability and Soft Magnetic Properties of Fe(-Co)-B-Si-Nb Bulk Metallic Glasses

2014 ◽  
Vol 783-786 ◽  
pp. 1895-1900 ◽  
Author(s):  
Teruo Bitoh
Keyword(s):  
Magnetic Properties ◽  
Metallic Glasses ◽  
Bulk Metallic Glasses ◽  
Glass Forming Ability ◽  
The Other ◽  
Maximum Diameter ◽  
Soft Magnetic Properties ◽  
Copper Mold ◽  
Soft Magnetic ◽  
Glass Forming

The effect of B2O3 fluxing on the glass-forming ability (GFA), the structure and the soft magnetic properties of Fe (-Co)-B-Si-Nb bulk metallic glasses (BMGs) has been investigated. The large Fe-Co-B-Si-Nb BMG specimens with diameters up to 7.7 mm, which is approximately 1.5 times as large as that of the maximum diameter of the copper mold cast one (= 5 mm), were prepared by the fluxing and water quenching. Thus the GFA of the Fe-Co-B-Si-Nb BMG are improved by the fluxing. It was confirmed that the soft magnetic properties of the Fe-Co-B-Si-Nb BMG are also improved by the fluxing. On the other hand, it was found for the Co-free Fe-B-Si-Nb BMG that the B2O3 fluxing promotes the precipitation of the α-Fe (-Si) and Fe2B phases in the central region of the specimens; i.e., the GFA of the Fe-B-Si-Nb BMG is decreased by the fluxing. The Fe-B-Si-Nb BMG specimens show a flat hysteresis loop, indicating a good linear relationship between the magnetic induction and the applied magnetic field. These results of the Fe-B-Si-Nb BMG show that it is possible to develop a new soft magnetic material that exhibits constant permeability, which is necessary for producing inductors and choke coils.

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