Bonding interface characteristic and shear strength of diffusion bonded Ti-17 titanium alloy

被引：32
作者：
Li, Hong [1 ]
Zhang, Chao [1 ]
Liu, Hong-bin [1 ]
Li, Miao-quan [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Mat Sci & Engn, Xian 710072, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2015年 / 25卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Ti-17 titanium alloy; diffusion bonding; bonding interface; void; shear strength; MICROSTRUCTURE EVOLUTION; MAGNESIUM ALLOY; JOINTS; STEEL;
D O I：
10.1016/S1003-6326(15)63581-6
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The bonding interface characteristic and shear strength of diffusion bonded Ti-17 titanium alloy at different bonding time were investigated. The results show that the average size of voids decreases while the amount of voids decreases after increasing to the maximum value with the increasing bonding time. The irregular void with a scraggly edge tends to an ellipse void with smooth surface and then changes to a tiny void with round shape. The grains across bonding interface occur at bonding time of 60 min. The shear strength of bond increases with increasing bonding time, and the highest shear strength of bond is 887.4 MPa at 60 min. The contribution of plastic deformation on the void closure and the increase of shear strength is significant even though the action time of plastic deformation is short.
引用
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页码：80 / 87
页数：8
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