Browsing by Author "Horsfall, Ian"

Browsing by Author "Horsfall, Ian"

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  • 3D printing, the future of cost effective biomechanical testing 
    Franceskides, C.; Arnold, Emily; Horsfall, Ian; Clasper, J.; Tozzi, G.; Zioupos, Peter (SAFE, 2017-04-06)
  • Adequacy of test standards in evaluating blast overpressure (BOP) protection for the torso 
    Whyte, Tamlin (2016-11-18)
    The blast wave emanating from an explosion produces an almost instantaneous rise in pressure which can then cause Blast Overpressure (BOP) injuries to nearby persons. BOP injury criteria are specified in test standards to ...
  • Assessment and Measurment of Potential Blunt Trauma Under Ballistic Helmets 
    Watson, Celia H.; Webb, Annette; Horsfall, Ian (2008-09-22)
    This paper investigates measurement techniques to evaluate ballistic impact protection in terms of head contact loads from non penetrating impacts on helmets. An aluminium head form instrumented with piezo-electric ...
  • Ballistic and physical properties of highly fractured alumina 
    Horsfall, Ian; Edwards, M. R.; Hallas, M. J. (Maney Publishing, 2010-11-01)
    It is known that ceramic materials in armour are often shattered by a penetrating projectile and the resistance to penetration is therefore dependent upon the properties of this failed material. A small explosive charge ...
  • Ballistic impact on composite armour 
    Bourke, Paul (2007-11-25)
    Armoured vehicles in current military service are requiring ever more protection to enable them to carry out their mission in a safe, effective manner. This requirement is driving vehicle weight up to such an extent that ...
  • Blade Sharpness and its Effect on the Testing of Body Armours 
    Watson, Celia H.; Horsfall, Ian; Champion, Stephen M.; Harrod, I. C. (2002-11-22)
    Factors such as edge sharpness and tip sharpness have been identified by Horsfall,1 as keyvariables in the testing of stab and slash resistant armours. This paper evaluates the influenceof blade sharpness on the mechanics ...
  • Causes of scatter in high rate fracture testing of polymers 
    Agnelli, S.; Horsfall, Ian (Elsevier Science B.V., Amsterdam., 2013-12-31)
    A method based on the measurement of failure time is being developed by the European Structural Integrity Society to determine high rate fracture toughness of polymers. The test method appears reasonably straightforward ...
  • A comparison of the behind armour blunt trauma effects between ceramic faced and soft body armours caused by ballistic impact 
    Lewis, E. A.; Horsfall, Ian; Watson, Celia H. (2002-11-18)
    Recently published research has characterised the behind armour blunt trauma (BABT) effects associated with high velocity ballistic impact on textile-based armour faced with a ceramic plate. Subsequently dynamic displacements, ...
  • Development of models to assess penetrating injury from ballistic projectiles 
    James, Gregory R. (United Kingdom Defence Academy/Cranfield University, 2020)
    Injuries from penetrating ballistic projectiles, such as fragments and bullets, are the major cause of military (and civilian) casualties in conflict, as well as casualties in terrorist incidents. This research project ...
  • Evaluation of bone excision effects on a human skull model - I: Mechanical testing and digital image correlation. 
    Franceskides, Constantinos; Leger, Thibault; Horsfall, Ian; Tozzi, Gianluca; Gibson, Michael C.; Zioupos, Peter (Sage, 2019-12-06)
    The mechanisms of skull impact loading may change following surgical interventions such as the removal of bone lesions, but little is known about the consequences in the event of subsequent head trauma. We, therefore, ...
  • Evaluation of bone excision on occipital area of simulated human skull 
    Franceskides, Constantinos; Leger, T.; Horsfall, Ian; Shanker, Tobias; Adams, George John; Clasper, J.; Zioupos, Peter (2016-07-13)
    Surgical effects of bone and soft tissue tumours, whether for biopsy or full excision have been researched from as early as the 1970’s [1]. These researches though have as main focus the biological (histological) rather ...
  • An evaluation of the hypodermic needle threat against body armour 
    Watson, Celia H.; Horsfall, Ian; Luk, Edwina (2004-09-06)
    Previous work has addressed protection against stab attacks [1, 2], and slash attacks [3, 4] this has resulted in body armour that is suitable for protecting the torso against knives. Whilst this armour combats the primary ...
  • Fabrication procedure and performance of 3D printed X-band horn antenna 
    Wirth, Sebastian G.; Morrow, Ivor L.; Horsfall, Ian (IET, 2019-02-18)
    This paper presents the design, fabrication and performance of fusion deposition modeled 3D printed X-band horn antennas. The WR90 waveguide feed and pyramidal horn flare are printed as one piece from Acrylonitrile Butadiene ...
  • Feasibility of using damage to body armour as evidence to prove the degree of intent of wounding 
    Watson, Celia H.; Parker, Fiona; Horsfall, Ian; Fenne, Paul (2008-10-06)
    It has become standard practice for Police Authorities to issue stab resistant body armour to all officers who are placed at risk of knife assault. Subsequently if the officer is subjected to a knife attack it has been ...
  • Glass ceramic armour systems for light armour applications 
    Horsfall, Ian (2001-05-07)
    This paper descries an experimental evaluation of lithium-zinc-silicate glass ceramics when used as the strike face of an armour system. It is shown that against soft cored 7.62mm rounds (lead or mild steel cores) glass ...
  • A gun based test method to simulate mine blast against boots 
    Pinto, Ryan Keith (2016-11-18)
    Blast mines have played a major role in almost every conflict from the two world wars to the most recent skirmishes. They provide a psychological threat in addition to denying access to areas and exerting a huge toll on ...
  • Impact perforation testing of stab-resistant armour materials 
    Horsfall, Ian; Pollitt, S. M.; Belk, J. A.; Angood, C. (1995-12-31)
    This paper describes the development of a method for the investigation and comparison of materials for use in stab resistant body armour. A number of polymer composite panels of different thicknesses and construction have ...
  • Key issues in body armour: threats, materials and design 
    Horsfall, Ian (2012-06-30)
    This chapter will examine the mechanics and materials of body armour in military, police and some security related applications to protect the wearer from penetrative threats. These threats will include battlefield threats ...
  • Optimizing the stacking sequence in dual-purpose body armors 
    Horsfall, Ian; Watson, Celia H.; Champion, Stephen M. (American Society Mechanical Engineers, 2013-05-01)
    Many police body armor systems are dual purpose, offering both ballistic and knife resistanceby combining a flexible ballistic textile pack with a stiffer knife resistant layer.The two types of protection differ in materials ...
  • Partitioning of shallow buried near-field blast 
    Reinecke, John David (2017-02)
    Buried blast continues to present a threat to military and humanitarian operations. Burying an explosive device simultaneously hides and has the potential to enhance the subsequent blast loading. Although widely published ...