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Air-Gun Studies of Ferroelectric Materials (Second Printing)

Description: Specimens of two ferroelectric materials, barium titanate and lead-zirconate titanate, have been subjected to high dynamic stresses by impacting them with a projectile accelerated by an air gun. The purpose of these tests was to supplement information previously obtained using high explosives to stress the ferromagnetic materials.
Date: February 6, 1958
Creator: Ripperger, E. A. & Beck, A. F.
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Curves for Estimating Low Blast Over-Pressure

Description: A plot of overpressure versus distance is presented for the fractional psi pressure level. The plot provides a rapid and simple means of estimating the permissible yield at any distance from settled areas.
Date: April 1958
Creator: Vortman, Luke J.
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