Explosive Welding Using Underwater Shock Wave Generated by the Detonation of the Detonating Code

Akihisa Mori; Li Qun Ruan; Kazumasa Shiramoto; Masahiro Fujita

doi:10.4028/www.scientific.net/MSF.673.265

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Explosive Welding Using Underwater Shock Wave Generated by the Detonation of the Detonating Code

Abstract:

Detonating code is a flexible code with an explosive core. It is used to transmit the ignition of explosives with high detonation velocity in the range of 5.5 to 7 km/s. However, it is difficult to use detonating code for the explosive welding of common metals since the horizontal point velocity usually exceeds the sound velocity. Hence, in the present work, a new method using underwater shock wave generated by the detonation of detonating code was tried. The details of the experimental parameters and the results are presented. From the results it is observed that the above technique is suitable to weld thin metal plates with relatively less explosives.