Diffusion bonding titanium to stainless steel using Nb/Cu/Ni multi-interlayer

被引：80
作者：
Li, Peng [1 ,2 ]
Li, Jinglong [1 ]
Xiong, Jiangtao [1 ]
Zhang, Fusheng [1 ]
Raza, Syed Hamid [1 ]
机构：
[1] NW Polytech Univ, Shaanxi Key Lab Frict Welding Technol, Xian 710072, Peoples R China
[2] NW Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
来源：
MATERIALS CHARACTERIZATION | 2012年 / 68卷
基金：
中国国家自然科学基金;
关键词：
Diffusion bonding; Titanium; Stainless steel; Interfacial microstructure; Tensile strength; COMMERCIALLY PURE TITANIUM; INTERFACE MICROSTRUCTURE; BONDED JOINTS; MECHANICAL-PROPERTIES; STRENGTH PROPERTIES; TRANSITION JOINTS; NI INTERLAYER; ALLOY; 304-STAINLESS-STEEL; TI-6AL-4V;
D O I：
10.1016/j.matchar.2012.03.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By using Nb/Cu/Ni structure as multi-interlayer, diffusion bonding titanium to austenitic stainless steel has been conducted. The effects of bonding temperature and bonding time on the interfacial microstructure were analyzed by scanning electron microscope equipped with energy dispersive spectroscope, and the joint strength was evaluated by tensile test. The results showed that Ni atoms aggregated at the Cu-Nb interface, which promoted Cu solution in Nb. This phenomenon forms a Cu-Nb solution strengthening effect. However, such effect would decay by using long bonding time that dilutes Ni atom aggregation, or be suppressed by using high bonding temperature that embrittles the Cu-Nb interface due to the formation of large grown intermetallic compounds. The sound joint was obtained by promoted parameters as 850 degrees C for 30-45 min, under which a bonding strength around 300 MPa could be obtained. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码：82 / 87
页数：6
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