Abstract
On the basis of previously developed magnetic pulse method for short durations developed and implemented in [1] tests of thin metal ring samples of aluminum and copper in the range 10-5 −10-8s were conducted. The developed method allows us to measure the time to the fracture that is principally important for dynamic strength testing. A mathematical model describing the process of expansion of samples is suggested. A comparison of experimental and calculated data is performed.Structural-time approach based on the notion of incubation time [2] can be used to describe temporal dependence of critical tensile stress observed in experiments.
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