Abstract

A device for studying the welding and undulation processes at welded surfaces upon the high-speed collision of a hurled plate with a motionless body is described. A body in the form of a truncated right cone was used as the motionless metal target. The hurled plate was accelerated using a charge of a high-power explosive with a high detonation velocity (vd ≈ 8 km/s). Copper–copper (Cu–Cu), copper–aluminum (Cu–Al), copper–steel (Cu–St.3), aluminum–aluminum (Al–Al), aluminum–copper (Al–Cu), aluminum–steel (Al–St.3), steel–copper (St.3–Cu), steel–aluminum (St.3–Al), and steel–steel (St.3–St.3) pairs were used as materials for the plates and cones. The initial angle α between the generatrix of the cone's smooth surface and the plate was 45°–70°. The plate's velocity of motion was v = 0.7–4 km/s, while the wavelength λ of the contact layer was between 4 and 16 mm.

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