Browsing by Author "Hazell, P. J."

Browsing by Author "Hazell, P. J."

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  • Lateral stress evolution in chromium sulfide cermets with varying excess chromium 
    Petel, O. E.; Appleby-Thomas, Gareth J.; Wood, D. C.; Capozzi, A.; Nabavi, Seyed Ali; Goroshin, S.; Frost, D. L.; Hazell, P. J. (2016-07-01)
    The shock response of chromium sulfide-chromium, a cermet of potential interest as a matrix material for ballistic applications, has been investigated at two molar ratios. Using a combustion synthesis technique allowed for ...
  • Measuring the strength of brittle materials by depth-of-penetration testing 
    Hazell, P. J. (Maney Publishing, 2010-12-31)
    Based on an energy conservation model, the strength offered by a number of brittle materials has been calculated from depth-of-penetration (DOP) test results. Each material was completely penetrated by a tungsten carbide ...
  • Modelling and characterization of cell collapse in aluminium foams during dynamic loading 
    Kader, M. A.; Islam, M. A.; Hazell, P. J.; Escobedo, J. P.; Saadatfar, M.; Brown, A. D.; Appleby-Thomas, Gareth J. (2016-07-01)
    Plate-impact experiments have been conducted to investigate the elastic–plastic behaviour of shock wave propagation and pore collapse mechanisms of closed-cell aluminium foams. FE modelling using a meso-scale approach has ...
  • Normal and oblique penetration of woven CFRP laminates by a high velocity steel sphere 
    Hazell, P. J.; Kister, G.; Stennett, C.; Bourque, P.; Cooper, G. (Elsevier Science B.V., Amsterdam., 2008-05-31)
    In this research, two thicknesses of a woven CFRP laminate have been subjected to impact by a steel sphere in a velocity regime ranging from 170 to 374 m/s. Impact and penetration of targets at normal and oblique incidence ...
  • A note on the behind armour effects from perforated alumina/aluminium targets 
    Hazell, P. J.; Fellows, N. A.; Hetherington, John G. (Elsevier Science B.V., Amsterdam., 1998-12-31)
    A thin, ceramic-faced armour, separated from a thick metal block, has been subjected to high-velocity impact by a 6.35 mm diameter steel sphere. Experimental work was carried out which compared firings into ceramic-fac ...
  • The numerical analysis of dynamically loaded ceramic: A crack softening approach 
    Hazell, P. J.; Iremonger, M. J. (John Wiley & Sons, Ltd, 2000-12-31)
    A physically based crack softening approach to modelling the failure of brittle materials that have been subjected to dynamic loading is presented and applied to a two-dimensional non-linear transient dynamic hydrocode. ...
  • On the behaviour of porcine adipose and skeletal muscle tissues under shock compression 
    Wilgeroth, J. M. (DEAS, 2014-06-10)
    The response of porcine adipose and skeletal muscle tissues to shock compression has been investigated using the plate-impact technique in conjunction with manganin foil pressure gauge diagnostics. This approach has ...
  • On the dynamic behavior of three readily available soft tissue simulants 
    Appleby-Thomas, Gareth J.; Hazell, P. J.; Wilgeroth, J. M.; Shepherd, C. J.; Wood, D. C.; Roberts, A. (American Institute of Physics, 2011-12-31)
    Plate-impact experiments have been employed to investigate the dynamic response of three readily available tissue simulants for ballistic purposes: gelatin, ballistic soap (both subdermal tissue simulants), and lard ...
  • On the interpretation of lateral manganin gauge stress measurements in polymers 
    Appleby-Thomas, Gareth J.; Hazell, P. J.; Wilgeroth, J. M.; Wood, D. C. (2010-09-17)
    Encapsulated wire-element stress gauges enable changes in lateral stress during shock loading to be directly monitored. However, there is substantial debate with regards to interpretation of observed changes in stress ...
  • On the interpretation of lateral manganin gauge stress measurements in polymers 
    Appleby-Thomas, Gareth J.; Hazell, P. J.; Wilgeroth, J. M.; Wood, D. C. (American Institute of Physics, 2010-12-31)
    Encapsulated wire-element stress gauges enable changes in lateral stress during shock loading to be directly monitored. However, there is substantial debate with regards to interpretation of observed changes in stress ...
  • On the critical thickness of ceramic to shatter WC-Co bullet cores 
    Hazell, P. J.; Roberson, C. J. (2011-05-11)
    In this paper, the 7.62 mm x 51 mm FFV round consisting of a tungsten carbide core (1550 HV) and copper gilding jacket was fired at silicon nitride, titanium diboride, tungsten carbide and silicon carbide ceramics. Of ...
  • Penetration of a glass-faced transparent elastomeric resin by a lead-antimony- cored bullet 
    Hazell, P. J.; Edwards, M. R.; Longstaff, H.; Erskine, J. (Elsevier Science B.V., Amsterdam., 2009-12-31)
    The penetration of the lead antimony-cored 7.62 mm × 51 mm bullet into a glass- faced polyurethane elastomeric polymer resin has been studied. The resulting craters in the resin contained elongated bullet core material ...
  • Penetration of a woven CFRP laminate by a high velocity steel sphere impacting at velocities of up to 1875 m/s 
    Hazell, P. J.; Cowie, A.; Kister, G.; Stennett, C.; Cooper, G. A. (Elsevier Science B.V., Amsterdam., 2009-12-31)
    The impact of a woven 6 mm thick CFRP laminate has been subjected to impact by an annealed steel sphere up to velocities of 1875 m/s. It was observed that above a threshold impact energy, the percentage of kinetic energy ...
  • Resistance of silicon carbide to penetration by a tungsten carbide cored projectile 
    Roberson, C. J.; Hazell, P. J. (2003-12-31)
    Silicon carbide is well known as being a ceramic that can be employed as part of an effective armour solution to defeat small arms ammunition. Its relatively high hardness and ability to accommodate large plastic strains ...
  • The shock and release behavior of an aerospace-grade cured aromatic amine epoxy resin 
    Hazell, P. J.; Stennett, C.; Cooper, G. (John Wiley & Sons, Ltd, 2008-06-20)
    Knowing the dynamic behavior of polymer materials that are used in the construction of fiber-reinforced composite materials is particularly important for such materials that are subjected to impact. In this work, we have ...
  • Shock behaviour of a phenolic resin 
    Wood, D. C.; Hazell, P. J.; Appleby-Thomas, Gareth J.; Barnes, N. R. (Springer Science Business Media, 2011-12-31)
    Phenolic resins are used in many aspects of everyday life, e.g. as the matrix material for carbon fibre laminates used in the aerospace industry. Consequently detailed knowledge of this material, especially while under ...
  • Shock compression and recovery of microorganism-loaded broths and an emulsion 
    Hazell, P. J.; Groves, K.; Stennett, C.; Beveridge, C. (AIP American Institute of Physics, 2009-12-31)
    The microorganisms Escherichia coli, Enterococcus faecalis and Zygosaccharomyces bailii and an oil-based emulsion, have been subjected to shock compression using the flyer-plate technique to initial pressures of 0.8 GPa ...
  • The shock compression of microorganism-loaded broths and emulsions: Experiments and simulations 
    Hazell, P. J.; Beveridge, C.; Groves, K.; Appleby-Thomas, Gareth J. (Elsevier, 2010-04)
    By carefully selecting flyer plate thickness and the geometry of a target capsule for bacterial broths and emulsions, we have successfully subjected the contents of the capsule to simultaneous shock and dynamic compression ...
  • Shock propagation in a cemented tungsten carbide 
    Appleby-Thomas, Gareth J.; Hazell, P. J.; Stennett, C.; Cooper, G.; Helaar, K.; Diederen, A. M. (American Institute of Physics, 2009-12-31)
    WC-based ceramic metal composites (cermets) are of great importance in both armor and munition design due to the combination of properties imparted by the presence of two different phases. WC–Co cermets are of interest ...
  • Shock propagation in a complex laminate 
    Wood, D. C. (2014-06-10)
    The shock response of a complex laminate has been investigated using a single stage gas gun, with manganin pressure gauges employed to investigate the shock profile. The complex laminate investigated was known by the ...