Vacuum Brazing TC4 Titanium Alloy to 304 Stainless Steel with Cu-Ti-Ni-Zr-V Amorphous Alloy Foil

被引：0

作者：

Honggang Dong

Zhonglin Yang

Zengrui Wang

Dewei Deng

Chuang Dong

机构：

[1] Dalian University of Technology,School of Materials Science and Engineering

[2] Dalian University of Technology,Key Lab of Materials Modification

[3] Ministry of Education,undefined

来源：

Journal of Materials Engineering and Performance | 2014年 / 23卷

关键词：

304 stainless steel; amorphous foil; microstructure; shear strength; Ti-6Al-4V titanium alloy; vacuum brazing;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Dissimilar metal vacuum brazing between TC4 titanium alloy and 304 stainless steel was conducted with newly designed Cu-Ti-Ni-Zr-V amorphous alloy foils as filler metals. Solid joints were obtained due to excellent compatibility between the filler metal and stainless steel substrate. Partial dissolution of stainless steel substrate occurred during brazing. The shear strength of the joint brazed with Cu43.75Ti37.5Ni6.25Zr6.25V6.25 foil was 105 MPa and that with Cu37.5Ti25Ni12.5Zr12.5V12.5 was 116 MPa. All the joints fractured through the gray layer in the brazed seam, revealing brittle fracture features. Cr4Ti, Cu0.8FeTi, Fe8TiZr3 and Al2NiTi3C compounds were found in the fractured joint brazed with Cu43.75Ti37.5Ni6.25Zr6.25V6.25 foil, and Fe2Ti, TiCu, Fe8TiZr3 and NiTi0.8Zr0.3 compounds were detected in the joint brazed with Cu37.5Ti25Ni12.5Zr12.5V12.5 foil. The existence of Cr-Ti, Fe-Ti, Cu-Fe-Ti, and Fe-Ti-V intermetallic compounds in the brazed seam caused fracture of the resultant joints.

引用

页码：3770 / 3777

页数：7

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