Liu, C. and Ahrens, T. J. (2000) Penetration depth time history measurement method. In: Shock compression of condensed matter--1999 : proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter held at Snowbird, Utah, June 27-July 2, 1999. American Institute of Physics Conference Proceedings (505). American Institute of Physics , Melville, NY, pp. 1039-1042. ISBN 1-56396-923-8 http://resolver.caltech.edu/CaltechAUTHORS:LIUaipcp00a
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A new method for measuring the depth time history of rigid body penetration into brittle materials under a deceleration of ~10^5 g. The method includes: sabot-projectile, sabot-projectile separation and penetration depth detection systems. Relatively small intrinsic time error (3%) and depth error (0.3–0.7 mm) results. Penetration depth time history in a series of 4140 steel projectile penetrations into a mortar are measured at velocities of 100 to 500 m/sec with sufficient accuracy such that differentiation with respect to time yields stopping force, via Newton's second law.
|Item Type:||Book Section|
|Additional Information:||©2000 American Institute of Physics. This work was supported by NASA and AFOSR. Contribution number 8662, Division of Geological and Planetary Sciences, California Institute of Technology.|
|Subject Keywords:||impact (mechanical); spatial variables measurement; error analysis; measurement errors; velocity|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Archive Administrator|
|Deposited On:||08 Nov 2006|
|Last Modified:||26 Dec 2012 09:16|
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