Microstructure and properties of YIG/YIG magnetic homogenization joint fabricated by a novel Bi2O3–B2O3–NiO–Fe2O3 magnetic glass

被引：0

作者：

He, Haohua ^{[1
]}

Wang, Ce ^{[1
,2
]}

Du, Xuanyu ^{[1
]}

Lin, Panpan ^{[1
]}

Zhang, Xinfei ^{[1
]}

Lu, Fugang ^{[1
]}

Dong, Yongkang ^{[2
,3
]}

Lin, Tiesong ^{[1
]}

He, Peng ^{[1
]}

机构：

[1] State Key Laboratory of Precision Welding & Joining of Materials and Structures, Harbin Institute of Technology, Harbin,150001, China

[2] Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou,450018, China

[3] National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin,150001, China

来源：

Ceramics International | 2024年 / 50卷 / 21期

基金：

中国国家自然科学基金;

关键词：

Microcrystals - Shear strength - Yttrium;

D O I：

10.1016/j.ceramint.2024.08.018

中图分类号：

学科分类号：

摘要：

Aiming at mechanical and electromagnetic demands for yttrium iron garnet ferrite (YIG) integrated structure, a novel Bi2O3–B2O3–NiO–Fe2O3 (BBNF) low-melting magnetic glass braze was designed. Nearly magnetic homogenization YIG/YIG joints were fabricated successfully. In-situ magnetic microcrystalline phases NiFe2O4 and Ni2FeO4 with good mechanical property precipitated in the brazing seam. The magnetization performance of YIG/YIG joints was significantly promoted. Merely 10 % difference of the magnetization strength per unit mass of the joints to YIG base materials was achieved. The joint shear strength reached its maximum of 79 MPa due to the enhancement of the microcrystalline phases. It is significant for improving both structural stability and functional reliability of the microwave devices for long-term service. © 2024 Elsevier Ltd and Techna Group S.r.l.

引用

页码：41673 / 41684

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