The behavior of porous foam plastics under impact loading has been experimentally investigated with reference to the example of polyurethane foam. The specially designed loading mechanism made it possible to measure the propagation velocity of the compression wave, its dependence on the impact velocity, and the absorption. The impact loading velocities varied from 2.5 to 13 m/sec. The results obtained are discussed from the standpoint of nonlinear acoustics.
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V. M. Kryachko and G. A. Ostroumov, Akust. Zh.,13, 584 (1967).
G. A. Ostroumov, Fundamentals of Nonlinear Acoustics [in Russian], Leningrad (1967), p. 13.
Ya. B. Zel'dovich and Yu. P. Raizer, Physics of Shock Waves and High-Temperature Hydrodynamic Phenomena [in Russian], Moscow (1966), p. 555.
V. V. Furduev, Electroacoustics [in Russian], Moscow-Leningrad (1948), p. 35.
Leningrad Zhdanov State University. Translated from Mekhanika Polimerov, No. 1, pp. 160–162, January–February, 1970.
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Ostroumov, G.A., Kryachko, V.M. Experimental investigation of compression waves in polyurethane foam. Polymer Mechanics 6, 146–149 (1970). https://doi.org/10.1007/BF00860465
- Experimental Investigation
- Impact Velocity