Abstract
Many solids remain elastic to strains of a few percent when subjected to uniaxial strain imposed by shock loading. Nonlinear contributions are enhanced by such large elastic strains and become accessible for relatively straightforward measurement and interpretation. Impact loading techniques have proven particularly effective for measurements of second‐, third‐ and fourth‐order longitudinal piezoelectric constants as well as third‐ and fourth‐order longitudinal elastic constants. Shock compression studies have provided independent measurements of constants, have uniquely determined certain constants and have extended ultrasonic measurements by several orders of magnitude in strain. Typical experimental investigations and their results will be summarized and compared to corresponding ultrasonic data. [This work sponsored by the U.S. Department of Energy under Contract DEAC04‐76‐DP00789 to Sandia Laboratories, a U.S. Department of Energy facility.]
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