Formaplode: Results

Detailed results will be presented later. In summary, we conducted many electrohydraulic tests, measuring the strains at discrete locations across workpieces of varying thicknesses that were fired in free expansion under air pressure. We also successfully fired workpieces into a die (a circular shape with a shallow spherical curve, with the letters "MIT" readable on the convex side), with our best success occuring when interior of the die was subjected to a low vacuum. Strains reached as high as 0.6 without failure in the workpieces, and the thinnest workpieces were ruptured in free expansion. The energy dissipated through the electrohydraulic explosion was typically about 500 Joules, which was lower than we were expecting, but not unreasonable. The duration of the current pulse was consistently 0.5 milliseconds.

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