Abstract
A measurement system for both longitudinal and shear waves in solids under shock compression in several 10 s of GPa region has been developed. In this system, combined compression-shear waves in solids are generated by the oblique-parallel-plate impact method using the keyed-powder gun, which is capable of accelerating a projectile without rotation to velocities of over 2 km/s. The particle-velocity histories of both longitudinal and shear waves are measured by an electromagnetic gauge method using pulsive-oblique magnetic field and Faraday gauges.
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