Influence of thermal history on the crystallization behavior of high-Bs Fe-based amorphous alloys

被引：11
|
作者：
Zang, Bowen [1 ,2 ]
Song, Lijian [1 ,2 ,3 ]
Parsons, Richard [4 ]
Shen, Jie [5 ]
Gao, Meng [1 ,2 ]
Zhang, Yan [1 ,2 ]
Huo, Juntao [1 ,2 ,3 ]
Sun, Yonghao [5 ]
Li, Fushan [6 ]
Suzuki, Kiyonori [4 ]
Wang, Jun-Qiang [1 ,2 ,3 ]
Wang, Weihua [5 ]
机构：
[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, CAS Key Lab Magnet Mat & Devices, Ningbo 315201, Peoples R China
[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Prov Key Lab Magnet Mat & Applicat Techno, Ningbo 315201, Peoples R China
[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[4] Monash Univ, Dept Mat Sci & Engn, Clayton, Vic 3800, Australia
[5] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
[6] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Peoples R China
来源：
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY | 2023年 / 66卷 / 05期
基金：
中国国家自然科学基金;
关键词：
amorphous alloys; enthalpy relaxation; nanocrystallization; microstructure development; soft magnetic properties; SOFT-MAGNETIC-PROPERTIES; GLASS; CU; MICROSTRUCTURE; NUCLEATION; NB; NANOCRYSTALS; RATES;
D O I：
10.1007/s11433-022-2079-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A crucial step in creating cutting-edge soft magnetic alloys is the nanocrystallization of Fe-based amorphous alloys. However, it is unclear how the thermal history affects the nanocrystallization. In this work, high-precision nanocalorimetry and in-situ high-temperature transmission electron microscopy are used to systematically examine how the pre-annealing relaxation process affects the nanocrystallization of Fe-based amorphous alloys. We discover that the glass with more thermal energy storage will crystallize into superb nanocrystalline structures with exceptionally advanced soft magnetism. The soft magnetic properties of Fe-B nanocrystalline alloys can be improved by increasing the relaxation temperature. This finding provides solid and clear evidence for the influences of thermal history on crystallization behavior for Fe-based amorphous alloys, which is helpful for designing advanced soft magnetic nanocrystalline alloys.
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页数：8
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