Microstructure and properties of boron carbide ceramic brazed joints with high nitrogen steel

被引：0

作者：

Yang J. ^{[1
]}

Xue P. ^{[2
]}

Zhang Y. ^{[2
]}

Fang X. ^{[2
]}

Jiang C. ^{[2
]}

Shi K. ^{[3
]}

机构：

[1] Beijing Institute of Space Mechanics & Electricity, Beijing

[2] School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing

[3] Hangzhou Huaguang Advanced Weilding Materials Co., Ltd, Hangzhou

来源：

Hanjie Xuebao/Transactions of the China Welding Institution | 2024年 / 45卷 / 05期

关键词：

Ag-Cu-Ti filler metal; B[!sub]4[!/sub]C ceramic; high nitrogen steel; shear strength; wettability;

D O I：

10.12073/j.hjxb.20230601001

中图分类号：

学科分类号：

摘要：

The reliable joining between B4C ceramic and high nitrogen steel was obtained using Ag-Cu-Ti filler metal. The wettability and spreadability of Ag-Cu-Ti filler metal with different Ti contents on B4C ceramics and high nitrogen steel were studied, as well as the microstructure and shear strength of brazed joints were investigated. The results indicated that when the Ti content reaches 4.5wt%, the filler metal possess better wettability and spreadability effect on both B4C ceramics and high nitrogen steel. The result of microstructure analysis indicated that TiC and TiB exist in the microstructure of brazing joints along ceramic side, while TiFe2, TiN and CuTi2 exist along steel side. As a result, the maximum shear strength of brazed joint reached 54 MPa,. © 2024 Harbin Research Institute of Welding. All rights reserved.

引用

页码：113 / 118

页数：5

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