WO2019077310A1 - Ensemble blindage - Google Patents

Ensemble blindage Download PDF

Info

Publication number
WO2019077310A1
WO2019077310A1 PCT/GB2018/052886 GB2018052886W WO2019077310A1 WO 2019077310 A1 WO2019077310 A1 WO 2019077310A1 GB 2018052886 W GB2018052886 W GB 2018052886W WO 2019077310 A1 WO2019077310 A1 WO 2019077310A1
Authority
WO
WIPO (PCT)
Prior art keywords
armour
armour assembly
assembly according
gyroid structure
panel
Prior art date
Application number
PCT/GB2018/052886
Other languages
English (en)
Inventor
Ian Pilkington
Original Assignee
Bae Systems Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP17197575.8A external-priority patent/EP3473965A1/fr
Priority claimed from GB1717266.9A external-priority patent/GB2567677A/en
Application filed by Bae Systems Plc filed Critical Bae Systems Plc
Publication of WO2019077310A1 publication Critical patent/WO2019077310A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/023—Armour plate, or auxiliary armour plate mounted at a distance of the main armour plate, having cavities at its outer impact surface, or holes, for deflecting the projectile

Definitions

  • the present invention relates to an armour assembly.
  • Vehicles such as military vehicles, sometimes require armour to protect the vehicle and its occupants from harm when the vehicle is in a hostile environment, for example.
  • the type of armour used on a vehicle will primarily depend on the type of anticipated threat, but consideration will also need to be given to the effect of the armour on the vehicle's performance (e.g. the effect on speed and/or manoeuvrability due to the weight of the armour).
  • Applique armour is routinely used to provide a sacrificial or readily replaceable piece of armour, which defeats certain threats very effectively, but may not provide high levels of general protection from all forms of hazard threats likely to be encountered.
  • Perforated armour plates to protect against kinetic energy projectiles such as ballistic firearm ammunition.
  • Perforated armour comprises a sheet of armour, such as hardened steel, with a plurality of holes therethrough.
  • perforated armour can provide improved protection against ballistic projectiles. This improved protection at least partly arises from the increase in edged surfaces (i.e. around each hole) that are presented to an incoming ballistic projectile.
  • an incoming ballistic projectile is statistically more likely to impact (or, at least, partially impact) on one of the edged surfaces and thereby experience a higher pressure than it would if it was to impact on a flat surface (such as unperforated armour).
  • the increase of pressure increases the likelihood of the ballistic projectile
  • EP-A-0209221 The State of Israel Ministry of Defense Rafael - Armament Development Authority.
  • the armour assembly of EP-A-0209221 is specifically designed for armoured vehicles and comprises a perforated armour plate mounted to a conventional armour plate and spaced therefrom.
  • an armour assembly comprising one or more panels, wherein at least one of the one or more panels comprises a gyroid structure.
  • Gyroid structures tend to be lightweight and of low density yet have a high tensile strength.
  • the armour assembly can maintain its property of high resistance to penetration and blast, while being made more lightweight to enable a vehicle to travel faster or a person wearing the armour assembly to be less prone to fatigue.
  • the gyroid structure may be manufactured using a three-dimensional image forming apparatus.
  • the panel disposed adjacent to the panel comprising the gyroid structure may comprise an armour plate.
  • the panel disposed adjacent to the panel comprising the gyroid structure may comprise KevlarTM.
  • the armour assembly may comprise the primary armour of a vehicle.
  • the gyroid surface can be trigonometrically approximated by the equation:
  • the gyroid structure may be manufactured from one of a metal, a metal alloy, a composite, a polymer, an elastomer, metalloid and a ceramic.
  • the metalloid may be carbon, such as graphene.
  • the gyroid structure may be used to turn bi-dimensional materials, such as graphene, into a three-dimensional structural material having low density and yet retaining high tensile strength.
  • the thickness of the surface of the gyroid structure may be between 0.5 mm and 10 mm. Preferably, the thickness may be between 1 mm and 5 mm. Even more preferably, the thickness may be 2 mm.
  • the gyroid structure may be encapsulated in an encapsulating structure.
  • the encapsulating structure may be formed using the three-dimensional printing apparatus.
  • the gyroid structure may comprise a plurality of cavities which may comprise a filler material.
  • the filler material may comprise a particulate, liquid or foam.
  • the armour assembly may further comprise brackets for coupling the armour assembly to the body of a vehicle, vessel or craft.
  • the brackets may be manufactured using the three-dimensional image forming apparatus.
  • the gyroid structure, brackets and encapsulating structure may be formed as part of the same processing step.
  • a body- worn armour comprising the armour assembly of the first aspect.
  • an armoured vehicle having a main body, wherein the main body comprises the armour assembly according to the first aspect.
  • the armour assembly according to the first aspect may be coupled to the main body of the vehicle using brackets.
  • a method of manufacturing an armour assembly comprising three-dimensionally printing at least one panel having a gyroid structure.
  • the method may comprise encapsulating the gyroid structure.
  • the method may further comprise attaching the panel having the gyroid structure to at least one further panel.
  • the method may comprise forming brackets on the panel having the gyroid structure.
  • Figure 1 shows a perspective view of a gyroid structure
  • Figure 2 shows a perspective view of an armoured vehicle according to an embodiment of the present invention
  • Figure 3 shows a perspective view of an armoured vehicle according to another embodiment of the present invention.
  • Figure 4 shows a perspective view of an armoured vehicle according to another embodiment of the present invention.
  • Embodiments of the present invention provide an armour assembly comprising a gyroid structure. This tends to reduce the weight of the armour assembly without compromising its ballistic or blast protection for occupants of a vehicle, vessel or craft.
  • the armour assembly can also be incorporated into a body- worn armour such a bulletproof or stab vest.
  • Figure 1 shows a perspective view of a gyroid structure 1.
  • the gyroid structure 1 separates space into two oppositely congruent labyrinths of passages.
  • the gyroid structure 1 has space group Ia3d. Channels run through the gyroid labyrinths in the (100) and (1 1 1 ) directions; passages emerge at 70.5 degree angles to any given channel as it is traversed, the direction at which they do so gyrating down the channel, giving rise to the name "gyroid".
  • the gyroid structure 1 contains neither straight lines nor planar symmetries.
  • the gyroid structure 1 may be printed using a 3D printer.
  • the gyroid structure 1 is formed of graphene.
  • the thickness of the surface of the gyroid structure is 2 mm.
  • the gyroid structure 1 may be formed of any suitable material, and has a thickness of between 0.5 mm and 10 mm.
  • Figure 2 shows an armoured vehicle 2 having a main body comprising a hull and a turret.
  • the main body comprises an armour assembly 8, formed from a series of armour panels 3-7.
  • Each panel 3-7 may have a thickness of between 100 mm and 500 mm. At least one of the panels 3-7 is an armour plate.
  • Each panel 3-7 comprises an armour material. Preferably, the armour material in each panel 3-7 is different to the armour material in the other panels 3-7.
  • the armour assembly 8 has 5 panels 3-7.
  • the first panel 3 may be, for example, an armour plate made of steel.
  • the second panel 4 may be, for example, formed of a honeycomb structure made from ceramic.
  • the third panel 5 may, for example, be filled with the gyroid structure 1 shown in Figure 1 .
  • the fourth panel 6 may be, for example, filled with a liquid.
  • the fifth panel 7 may be, for example, filled with a foam.
  • the panels 3-7 could be arranged in any order and could be formed of different armour materials than those described above.
  • the first panel 3 may instead comprise the gyroid structure 1 .
  • the armour material of at least one of the panels 5 comprises the gyroid structure 1 shown in Figure 1 .
  • the panel 5 having the gyroid structure 1 may be encapsulated.
  • the gyroid structure 1 is encapsulated using the same material as used to form the gyroid structure 1 .
  • the gyroid structure 1 and encapsulating structure may be formed in a single three-dimensional printing process.
  • Armour material of the other panels 3-7 in the armour assembly 8 is selected from known armour materials.
  • the gyroid structure 1 includes cavities.
  • the cavities are filled with a filler.
  • the fillers may include liquids (such as shear thickening fluid and water), foams and particulates (such as sand, metals and uncured 3D printing material).
  • the armour assembly 8 shown in Figure 2 is a section through the front of the hull of the vehicle 2, the armour assembly 8 may form the main body of any part of the vehicle 2.
  • the armour assembly 8 may form the top surface of the turret in order to protect the occupants from aerial attack or indirect fire.
  • the armour assembly 8 may form the rear of the hull to protect the engine compartment.
  • the armour assembly 8 may form the side skirts of the vehicle 2 to protect the tracks and bogies.
  • the armour assembly 8 is applied to the vehicle 2 as applique armour.
  • the armour assembly 8 includes brackets for attaching the armour assembly 8 to the main body of the vehicle 2.
  • the gyroid structure 1 (and, in some embodiments, the encapsulating structure) and brackets are formed in a single three-dimensional printing process.
  • CAD computer aided design
  • a surface shell i.e. an encapsulating structure surrounding the gyroid structure 1 with built-in brackets can be incorporated in to the CAD file and printed as one unit.
  • Figure 3 shows another embodiment of the present invention.
  • the armour assembly 8 includes only two panels 4, 5.
  • One of the panels 5 comprises the gyroid structure 1 shown in Figure 1 .
  • Brackets may be fixed to one of the outer panels 4, 5 in order to couple the armour assembly 8 to the vehicle 2.
  • the armour assembly 8 may form the primary armour of the vehicle 2.
  • Figure 4 shows another embodiment of the present invention.
  • the armour assembly 8 includes only a single panel 5.
  • the panel 5 comprises the gyroid structure 1 shown in Figure 1 .
  • the gyroid structure 1 may be encapsulated in a material different to that of the gyroid structure 1 .
  • the gyroid structure 1 may be encapsulated in the same material as the gyroid structure 1 .
  • the panel 5 may further include brackets for fixing the armour assembly 8 to the vehicle 2.
  • the armour assembly 8 may form the primary armour of the vehicle 2.
  • Figures 3 and 4 show only examples of an armour assembly 8 structure, and in other embodiments the armour assembly 8 includes more than the number of panels 3-7 shown in these Figures.
  • the armour assembly 8 may be incorporated into the main body of a wheeled vehicle, a vessel or an aircraft, such as a ship or helicopter.
  • the armour assembly 8 is used in a garment such as a bulletproof vest or a stab vest.
  • the armour material of at least one of the armour panels 3-7 comprises KevlarTM.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un ensemble blindage comprenant un ou plusieurs panneaux, au moins l'un du ou des panneaux comprenant une structure gyroïde. La présente invention concerne également un véhicule blindé, un blindage corporel et un procédé de fabrication d'un ensemble blindage.
PCT/GB2018/052886 2017-10-20 2018-10-10 Ensemble blindage WO2019077310A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP17197575.8A EP3473965A1 (fr) 2017-10-20 2017-10-20 Ensemble de blindage
GB1717266.9 2017-10-20
GB1717266.9A GB2567677A (en) 2017-10-20 2017-10-20 Armour Assembly
EP17197575.8 2017-10-20

Publications (1)

Publication Number Publication Date
WO2019077310A1 true WO2019077310A1 (fr) 2019-04-25

Family

ID=63834327

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2018/052886 WO2019077310A1 (fr) 2017-10-20 2018-10-10 Ensemble blindage

Country Status (1)

Country Link
WO (1) WO2019077310A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209221A1 (fr) * 1985-06-20 1987-01-21 The State Of Israel Ministry Of Defence Rafael Armament Development Authority Blindage pour véhicule
EP1380809A2 (fr) * 2002-07-10 2004-01-14 Sgl Carbon Ag Corps composites céramiques
US9116428B1 (en) * 2009-06-01 2015-08-25 Hrl Laboratories, Llc Micro-truss based energy absorption apparatus
US20160238755A1 (en) * 2012-01-19 2016-08-18 Supriya Jaiswal Materials, components, and methods for use with extreme ultraviolet radiation in lithography and other applications

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209221A1 (fr) * 1985-06-20 1987-01-21 The State Of Israel Ministry Of Defence Rafael Armament Development Authority Blindage pour véhicule
EP1380809A2 (fr) * 2002-07-10 2004-01-14 Sgl Carbon Ag Corps composites céramiques
US9116428B1 (en) * 2009-06-01 2015-08-25 Hrl Laboratories, Llc Micro-truss based energy absorption apparatus
US20160238755A1 (en) * 2012-01-19 2016-08-18 Supriya Jaiswal Materials, components, and methods for use with extreme ultraviolet radiation in lithography and other applications

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