Explosive Compaction of Powdered Materials

  • R. Prümmer


Powder metallurgy is of growing interest in metal fabrication. Atomized alloys are cold-pressed and sintered or hot isostatic pressing is used. In both cases high densities are desired. The highest densities can be obtained by explosive consolidation [1,2]. The achieved densities are almost bulk densities. A further advantage is that by explosive compaction due to an intensive shock-wave treatment, the compacts reveal high dislocation densities. In the case of explosively-compacted alumina, this was observed to be on the order of that of heavily plastically-deformed metals [3]. The accompanied activation allows the performance of the sinter treatment at a lower temperature and less time. The purpose of this paper is to report on the results of the investigations of explosive parameters and on the diagnostic investigations of explosively-compacted tungsten.


Shock Wave Detonation Velocity Detonation Front Compact Sample Tungsten Powder 
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  1. 1.
    D. L.Coursen, G. A. Nodding, and J. I, Reilly, U.S. Patent 3,022, 544 (1962).Google Scholar
  2. 2.
    R. Prllmmer, “Latest Results in the Explosive Compaction of Metal and Ceramic Powders and their Mixtures,” paper presented at 4th Intern. Conf. of Center of High Energy Forming, Vail, Colorado, 1973.Google Scholar
  3. 3.
    R. Prümmer and G. Ziegler, Powder Metall. Intern. 9 (11), 11 (1977); also Proceedings 5th Inter. HERF Conference, Denver, Colorado, July 1975Google Scholar
  4. 4.
    J. Pearson, in Advanced High Energy Rate Forming ASTME SP 60–150 (December 1961).Google Scholar

Copyright information

© Springer Science+Business Media New York 1979

Authors and Affiliations

  • R. Prümmer
    • 1
  1. 1.Institut für ChemieTreib-und ExplosivstoffePfinztal-BerghausenW. Germany

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