Examination of copper/stainless steel joints formed by explosive welding

被引:251
作者
Durgutlu, A
Gülenç, B
Findik, F [1 ]
机构
[1] Sakarya Univ, Tec Educ Fac, Dept Mat Technol, TR-54090 Adapazari, Turkey
[2] Gazi Univ, Tech Educ Fac, Ankara, Turkey
关键词
welding and joining; explosive welding; copper-stainless steel; explosive ratio;
D O I
10.1016/j.matdes.2004.07.021
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this study, bonding ability of copper and steel with explosion welding was investigated using different ratios of explosive and different stand-off distance. Experimental studies showed out that, copper and stainless steel could be bonded with a good quality of bonding properties with explosion welding. In the bonding interface, intermetallics were not formed. It was observed that, when explosive ratio and stand-off distance were increased smooth bonding interface was transformed to a wavy bonding interface. As the ratio of explosive and stand-off distance increase, the amplitude and wavelength of wave were increased. It was found that, hardness of bonding interface and outer face of plates were increased because of deformation that was originating from impact the effect. Total interface area increased as a result of wavy interface, which was caused by increased explosive ratio and stand-off distance. In addition, wavy interfaces did not separate after tensile-shearing test. Bending tests applied on bonded samples had different diameters indicated that interfaces of the bonded samples have not any defect. EDS analyses in SEM showed that diffusion did not take place between bonding plates, however, diffusion was observed after annealing of the bonded samples for different times. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:497 / 507
页数:11
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