The attenuation of shock waves in 2024 aluminum has been studied experimentally by impacting aluminum flyer plates upon aluminum targets and measuring the target-free surface velocity as a function of target thickness. The results disagree with the predictions of hydrodynamic theory, exhibiting premature attenuation. An elastic-plastic model is proposed which adequately describes the data. In this model, Poisson's ratio remains constant under compression and the tensile yield strength increases linearly with compression, attaining a value of 12 kbars at a relative volume V/V0 of 0.86.
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Donald R. Curran (1963) studied this question.
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