2014•Chinese Journal of High Pressure PhysicsRequires access

Progress on Hypervelocity Launcher Techniques Using a Three-Stage Gun

Qing Wang

Abstract

A study on hypervelocity launcher techniques was carried out on the two-stage light-gas gun with quasi-isentropic compression of the flier-plate material with graded impedance.A 25-millimeter diameter aluminum alloy projectile was accelerated over 11km/s using the hypervelocity launcher,and a 10-millimeter diameter titanium alloy projectile was accelerated over 15km/s using the enhanced hypervelocity launcher.The hypervelocity launcher techniques using a three-stage gas gun was suitable for researches on the hypervelocity impact effect of spacecrafts.

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Key concepts: Hypervelocity, Projectile, Light-gas gun, Materials science, Aerospace engineering, Spacecraft, Railgun, Composite material