An effective approach for bonding of TZM and Nb-Zr system: Microstructure evolution, mechanical properties, and bonding mechanism

被引：7

作者：

Yang, Z. W. ^{[1
]}

Lin, J. M. ^{[1
]}

Zhang, J. F. ^{[1
]}

Qiu, Q. W. ^{[2
]}

Wang, Y. ^{[1
]}

Wang, D. P. ^{[1
]}

Song, J. ^{[2
]}

机构：

[1] Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Adv Joining Technol, Tianjin 300072, Peoples R China

[2] McGill Univ, Dept Min & Mat Engn, Montreal, PQ H3A 0C5, Canada

来源：

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2021年 / 84卷

基金：

加拿大自然科学与工程研究理事会; 中国国家自然科学基金;

关键词：

Bonding; Titanium zirconium molybdenum alloy (TZM); Diffusion; Microstructure; Mechanical properties; DEFORMATION-BEHAVIOR; HIGH-STRENGTH; DIFFUSION; NI; MOLYBDENUM; INTERFACE; MO; CU; ALLOYS; JOINTS;

D O I：

10.1016/j.jmst.2020.09.054

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel method of liquid metallic film (LMF) bonding was developed to join titanium zirconium molybdenum alloy (TZM) and Nb-Zr alloy with a Ni interlayer. Using this method, a Ni-Zr liquid phase was formed by the eutectic reaction and then squeezed out from the gap due to a transient pressure, leaving an LMF. It not only achieved a reliable metallurgical bonding but also served as a transition layer between TZM and Nb-Zr alloy to reduce the mismatch between them thus further improving its performance. The bonding mechanism of the TZM and Nb-Zr system was discussed based on theoretical calculation and high-resolution microscopy analysis. The advantages of this method were established by comparing the microstructure and mechanical properties of LMF bonded joints with that of traditional contact-reaction brazing and direct diffusion bonding. Additionally, the feasibility of the LMF bonding method was also demonstrated by the reliable joining of other high-temperature and immiscible systems. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.

引用

页码：16 / 26

页数：11

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