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Intact capture of hypervelocity projectilesThe ability to capture projectiles intact at hypervelocities opens new applications in science and technology that would either not be possible or would be very costly by other means. This capability has been demonstrated in the laboratory for aluminum projectiles of 1.6 mm diameter, captured at 6 km/s, in one unmelted piece, and retaining up to 95% of the original mass. Furthermore, capture was accomplished passively using microcellular underdense polymer foam. Another advantage of capturing projectiles in an underdense medium is the ability of such a medium to preserve a record of the projectile's original velocity components of speed and direction. A survey of these experimental results is described in terms of a dozen parameters which characterize the amount of capture and the effect on the projectile due to different capture media.
Document ID
20040090068
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Tsou, P.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena CA United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 1990
Publication Information
Publication: International journal of impact engineering
Volume: 10
ISSN: 0734-743X
Subject Category
Exobiology
Distribution Limits
Public
Copyright
Other
Keywords
NASA Discipline Number 52-50
NASA Discipline Exobiology
NASA Program Exobiology
NASA Center JPL

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