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Impact fragmentation of polyurethane and polypropylene cylinder

Author

Listed:
  • Kishimura, Hiroaki
  • Noguchi, Daisuke
  • Preechasupanya, Worrayut
  • Matsumoto, Hitoshi

Abstract

The impact fragmentation of a bulk polyurethane elastomer (PU) and polypropylene (PP) cylinder have been investigated using a Cu plate projectile launched by a propellant gun at a velocity of 0.53–1.4 km/s. A projectile drills into a PU sample and forms a cavity in the sample. A small number of tiny fragments are formed. When the projectile smashes in at 1.4 km/s, the PU cylinder bursts and PU fragments form. On the other hand, a brittle fracture occurs on the PP cylinder. The mass of fragments from the PU sample generated at a lower impact velocity is distributed in the lognormal form, whereas the mass of fragments from the PU sample generated by a 1.4 km/s impact follows a power-law distribution. The fragment mass distribution of the PP sample generated at a lower impact velocity obeys the power-law form, whereas that generated at a higher impact velocity follows the lognormal form.

Suggested Citation

  • Kishimura, Hiroaki & Noguchi, Daisuke & Preechasupanya, Worrayut & Matsumoto, Hitoshi, 2013. "Impact fragmentation of polyurethane and polypropylene cylinder," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(22), pages 5574-5580.
    • Handle: RePEc:eee:phsmap:v:392:y:2013:i:22:p:5574-5580
    DOI: 10.1016/j.physa.2013.07.033
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    References listed on IDEAS

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    1. Inaoka, Hajime & Takayasu, Hideki, 1999. "Application of statistical physics to impact fragmentation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 274(1), pages 300-309.
    2. Ching, Emily S.C. & Lui, S.L. & Xia, Ke-Qing, 2000. "Energy dependence of impact fragmentation of long glass rods," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 287(1), pages 83-90.
    3. dos Santos, F.P.M. & Donangelo, R. & Souza, S.R., 2007. "Schematic models for fragmentation of brittle solids in one and two dimensions," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 374(2), pages 680-690.
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