Publisher: Edp Sciences
E-ISSN: 2100-014x|183|issue|02058-02058
ISSN: 2100-014x
Source: EPJ Web of Conference, Vol.183, Iss.issue, 2018-09, pp. : 02058-02058
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Abstract
In our work, graded density impactors fabricated from 8 to 40 layers, are specifically designed to generate desired strain rates (on the order of 105~106 s-1) and thermodynamic path(shock loading-ramp loading-release). And experiments on phase transition and strength for metals (bismuth, LY12 Al) have been performed with light gas gun to peak pressure between 30 GPa and 50 GPa. Particle velocity at sample/window interface in these experiments are simultaneously traced by a distance interferometer system for any reflector, and a wave profile analysis is employed to explore the solidification transition and strength behaviour along elevated isentrope.
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