Abstract
Results are presented of an experimental study of the behavior of four porous metals, tungsten, molybdenum, copper, and aluminum with an initial density corresponding to ≈30 and 50% of the density of the continuous (solid) material under loading by shocks with intensity between 10–800 kbar. The behavior of the shock compression curves in the p-ϱ plane shows that for some pressure p* the compression of the porous substance to the state of a continuous material is completed. At initial densities ≈50% of the continuous substance, the values are p*=65, 40 and 35 kbar, respectively, for W, Mo, and Cu. At lesser densities (≈30% of the density of the continuous substance), the values of p* are approximately halved as compared with those mentioned. The state of complete packing of the porous material into a monolithic solid was not determined in aluminum in the pressure range examined 6.5–200 kbar.
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Translated from Zhurnal Prikladnoi Mekhaniki i Tekhnicheskoi Fiziki, No. 2, pp. 117–122, March–April, 1974.
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Bakanova, A.A., Dudoladov, I.P. & Sutulov, Y.N. Shock compressibility of porous tungsten, molybdenum, copper, and aluminum in the low pressure domain. J Appl Mech Tech Phys 15, 241–245 (1974). https://doi.org/10.1007/BF00850666
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DOI: https://doi.org/10.1007/BF00850666