Abstract
In this work, a research on double-direction pressure distributions (DDPD) induced by vaporizing a single metal foil was conducted. The shock pressure in the up direction revealed the same amplitude as that in the down direction. Based on a comparison of pressure amplitudes between double-direction pressure distributions (DDPD) and single-direction pressure distributions (SDPD), the pressure upward in DDPD was found to be smaller than that in SDPD. In addition, an approach to vary the pressure amplitudes in the up and down directions in DDPD was introduced. Using polyurethane plates in different thicknesses leads to various pressure amplitudes on both sides of the foil specimen. Finally, the application of DDPD in metal forming process was examined. A profile forming part with two bulging zones was successfully manufactured.
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