Brazing of ceramic ZrO2/titanium alloy using amorphous solder

被引：3
作者：
机构：
[1] Jilin Railway Vocational and Technology College
[2] College of Materials Science and Engineering, Jilin University
来源：
Li, J. (ljc@jlu.edu.cn) | 1600年 / Chinese Mechanical Engineering Society卷 / 49期
关键词：
Brazing; Ceramic ZrO[!sub]2[!/sub; Microstructure Shear strength; Ti-6Al-4V alloy;
D O I：
10.3901/JME.2013.22.121
中图分类号：
学科分类号：
摘要：
Because difference of the linear thermal expansion coefficient of ceramic and metal, when ceramic and metal is joined there is a mass of the residual stress in the joint, which leads to decrease the strength. The joining of ceramic and metal is attention subject. In this composition, ceramic ZrO2 and metallic Ti-6Al-4V alloy are jointed by using a amorphous Ti33Zr17Cu50 (at.%) solder. The microstructure and the properties of the joint are investigated. The results show that the microstructure and mechanical properties are significantly influenced by the brazing temperature, the heat time and the cooling rate. The brazing seam is composed of ZrO2/Cu2Ti4O+(Ti,Zr)2Cu/ TiO+Ti2O/ CuTi2+(Ti,Zr)2Cu/CuTi2/Ti-6Al-4V alloy. The shear strength of the joint decreases as the brazing temperature, the heat time the cooling rate increase. The maximum shear strength of the brazing joints reaches 165 MPa with the optimal technical parameters: The brazing temperature of 1173 K, the heat time of 10 min and the cooling rate of 5 K/min.
引用
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页码：121 / 127
页数：6
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