Effect of Reaction Layers on the Residual Stress of the Brazed TiC Cermets/Steel Joints

作     者：Lixia Zhang Jicai Feng 

作者机构：National Key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology Harbin 150001 China 

出 版 物：《Journal of Materials Science & Technology》 (材料科学技术（英文版）)

年 卷 期：2009年第25卷第2期

页      面：203-207页

核心收录：

学科分类：080503[工学-材料加工工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0802[工学-机械工程] 080201[工学-机械制造及其自动化] 

基　　金：supported by the National Natural Sci-ence Foundation of China under grant No. 50705022 the Program of Excellent Team in Harbin Institute ofTechnology, China 

主　　题：Numerical simulation Residual stress Reaction layer Brazing 

摘      要：For the first time, considering the effect of reaction layers, numerical simulation calculation of residual stress on brazed TiC cermets/steel joint was studied by finite element method （FEIVl）. The calculation results show that, when the joint is brazed at 1123 K for 300 s （low brazing parameters）, the maximum shear stress value occurs on （Cu, Ni） layer near TiC cermets, which is 92.16 MPa as the temperature is 300 K. When the joint is brazed at 1273 K for g00 s （high brazing parameters）, the maximum shear stress value occurs on （Cu, Ni）＋（Fe, Ni） layer, which is 39.18 MPa as the temperature is 300 K. The fracture sites of the joints obtained from numerical simulation calculation accord with experimental results.