Interface structure and mechanical properties of the brazed joint of TiC cermet and steel

被引：27

作者：

Feng, JC ^{[1
]}

Zhang, LX ^{[1
]}

机构：

[1] Harbin Inst Technol, Natl Key Lab Adv Welding Proc Technol, Harbin 150001, Peoples R China

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2006年 / 26卷 / 07期

基金：

中国国家自然科学基金;

关键词：

TiC cermet; joining; interfaces; microstructure; strength;

D O I：

10.1016/j.jeurceramsoc.2005.01.043

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A commercially available Ag-Cu braze alloy foil with Zn Was Used to join TiC cermet and steel. According to the experimental observations, the interface structure is (Cu, Ni)/Ag (s.s.) + Cu (s.s.)/(Cu, Ni)/(Cu, Ni) + (Fe Ni) from TiC cermet to steel side. With increased brazing temperature or time, the amounts of (Cu, Ni) near the base metals/Ag-31Cu-23Zn interface and (Cu, Ni) + (Fe, Ni) near the Ag-31Cu-23Zn/steel interface increase, while the amount of Ag (s.s.) + Cu (s.s.) in the middle of the braze alloy decreases. The whole joining process consists of diffusion and solution among atoms of the braze alloy foil and base metals. The maximum shear strength is 120.7 MPa for the joint brazed at 850 degrees C for 10 min. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：1287 / 1292

页数：6

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