| 摘要 |
A strip of low detonation velocity explosive overlies spaced overlapping portions of metal bodies to be bonded and a narrow cord of high detonation velocity explosive extends in the direction of the weld along one edge of the low detonation velocity strip such that initial ignition of the high detonation velocity explosive cord creates a detonation front which moves across the weld at an angle whose tangent is the ratio of the detonation velocities of the two explosives to prevent deformation of weld geometry ahead of detonation.
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