EP1099089B1 - Element de blindage leger - Google Patents

Element de blindage leger Download PDF

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Publication number
EP1099089B1
EP1099089B1 EP99963149A EP99963149A EP1099089B1 EP 1099089 B1 EP1099089 B1 EP 1099089B1 EP 99963149 A EP99963149 A EP 99963149A EP 99963149 A EP99963149 A EP 99963149A EP 1099089 B1 EP1099089 B1 EP 1099089B1
Authority
EP
European Patent Office
Prior art keywords
fiber composite
layers
composite layers
fiber
armoring element
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP99963149A
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German (de)
English (en)
Other versions
EP1099089A1 (fr
Inventor
Jörg ACKERMANN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sachsenring Entwicklungs GmbH
Original Assignee
Sachsenring Entwicklungs GmbH
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Filing date
Publication date
Application filed by Sachsenring Entwicklungs GmbH filed Critical Sachsenring Entwicklungs GmbH
Publication of EP1099089A1 publication Critical patent/EP1099089A1/fr
Application granted granted Critical
Publication of EP1099089B1 publication Critical patent/EP1099089B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0471—Layered armour containing fibre- or fabric-reinforced layers
    • F41H5/0485—Layered armour containing fibre- or fabric-reinforced layers all the layers being only fibre- or fabric-reinforced layers

Definitions

  • the invention relates to a light armor element, especially for special protection vehicles, from at least two bullet-resistant layers.
  • Armor elements are also known, which consist of different composite materials. Doing so Light armor acc. DE 43 00 746 A1 in multi-layer construction formed from two armor elements. Every armor element consists of a composite of a fiber composite layer and a super hard metal layer. This metal layer is applied over the entire surface, which also increases the weight increased and a three-dimensional deformation difficult is.
  • WO 96/18089 describes an element for absorbing the Described energy of a projectile, which is also made of there are several different layers. The first in Gun direction is harder than 25 HRC second layer has a hardness of 20-40% of the first Layer. A thin third layer absorbs or through their deformation the energy of the Projectile. The third layer consists of Carbon steel, fiberglass or carbon-based based materials. Another disadvantage is that an adaptation of this element to a desired one Surface contour is not easily possible. Still is its production is relatively complex and one uncomplicated adaptation to different shelling strengths not easily possible.
  • DE 34 26 458 A1 describes a bullet-resistant laminate described a variety of aramid fabric layers.
  • the Aramid fabric has the property that the Impact or penetration on hard material deformed or fragmented bullets well unstoppable.
  • the disadvantage, however, is that for the production three-dimensional shapes from aramid fiber fabric very costly tools are required.
  • a bulletproof mat for covering vehicle walls known from DE 195 43 127 A1. This consists of flexible bulletproof fabric layers and is with a provide liquid-tight surface protection.
  • DE G 92 15 781.5 U1 describes armor for vehicles, in which the facing the interior of the vehicle Surface in addition to armored steel plates Covering fabric mats across large areas is covered. The fabric mats also overlap their joints.
  • an anti-bullet is also known Layer combination consisting of an outer layer and an inner layer of fiberglass, the outer layer both higher tensile strength as well has a higher elasticity.
  • the number of layers is in accordance with the required bullet security variable, the number of layers covering the inner Form high elasticity is less than that Number of layers which the outer layer is higher Form firmness.
  • This armor element has a high Overall thickness and heavy weight.
  • the invention is based on the object Light armor element, especially for special protection vehicles, to develop that the requirements of the Bulletproof can be easily adjusted, doing so easy to bring into three-dimensional shapes and the design of the vehicle is customizable, with a relatively small overall thickness has and is therefore suitable, optically the impression to awaken standard interior linings.
  • the light armor element has one in the direction of fire arranged first layer of high fiber composite layers Strength and a subsequent second layer Composite layers of high elasticity, both Layers are bonded together and the Number of layers is variable, the invention being Number of elastic second fiber composite layers Number of hard first fiber composite layers exceeds or the order of the hard first fiber composite layers and the elastic second fiber composite layers replaced.
  • the light armor element consists of different fiber composite layers, which are three-dimensionally formable and suitable, the To prevent penetration of a projectile over the entire surface.
  • the light armor element is also in its Edge bombardment at a distance of 10mm from its edge and at Shelling at an angle of 45 °, 10mm from the edge distance of the Component, when using solid jacket bullet-headed bullets with soft core in connection with caliber 357 Magnum and full-shell flat-head bullet with soft core in Connection with 44 Remington Magnum caliber, the Penetration of projectiles prevented. Even with one Triangular bombardment with triple caliber spacing (multihit), when using solid jacket bullet-headed bullets with soft core in connection with caliber 357 Magnum and von Full-shell flat-head bullets in combination with soft core with the 44 Remington Magnum caliber the penetration of the Projectile avoided.
  • first ones are preferably used hard fiber composite layers and then several second elastic fiber composite layers arranged so that on a hard area braking the projectile energy preferably several hard fiber composite layers Projectile restrained elastic area preferably several second elastic fiber composite layers follows.
  • the fiber composite layers preferably consist of Binders embedded organic and / or inorganic Fibers. Flax fibers, hemp fibers, Sisal fibers, aramid fibers, glass fibers, carbon fibers, polyethylene fibers or combinations of these fiber materials (e.g. aramid glass fibers, aramid carbon fibers, aramid natural fibers, Aramid polyethylene fibers) or others suitable fiber materials are used. To one secure connection between the fiber composite layers ensure these are also shared with each other Binders connected.
  • thermosetting or thermoplastic base being as thermosetting Binders e.g. Phenolic resins, melamine resins or epoxy resins and as a thermoplastic binder e.g. polyethylene, Polypropylene or polyamide or also polyvinyl butyral and Polyurethanes can be used.
  • thermosetting Binders e.g. Phenolic resins, melamine resins or epoxy resins
  • thermoplastic binder e.g. polyethylene, Polypropylene or polyamide or also polyvinyl butyral and Polyurethanes can be used.
  • the fiber composite layers are preferably woven Scrims, knitted fabrics or knitted fabrics with an amorphous, directional, bidirectional or unidirectional Structure and can meet the highest demands bulletproofing also provided with 3-D entanglements or as three-dimensional knitted or shaped parts be trained.
  • the properties of the first layer solidify this high-strength layer additionally when the Projectile. Thanks to its high energy absorption capacity the second layer the projectile or its splinters well firmly and prevents its penetration.
  • the invention is a light armor element created that by combining number, order. and composition of the different fiber composite layers the respective requirements of bullet security and the constructive circumstances of each Vehicle can be easily adjusted. Add to that as a Another major advantage is the weight saving compared to conventional armor.
  • the application of the flexible fiber composite layers with different Properties guaranteed against bulletproof Mats made of aramid fiber fabrics have a good three-dimensional Deformability (even with radius areas with small radii or in corner areas of angles) and thus a simple one Adaptation to the desired surface contours.
  • the equipment of vehicles with armor is thus much easier and improved.
  • the light armor elements give the impression optically standard interior linings.
  • Light armor element is possible opposite Armor made of polymer materials and combinations with this (e.g. aramid fiber fabric), the wall thicknesses significantly to reduce and fire classes of at least B3 and B4 as well as the edge bombardment and the bombardment under a 45 ° To withstand angles.
  • Fig. 1 a section of a light armor element is shown, as it can be used for example for standard fire (triangular fire at a distance of 120mm, with a 44 Remington Magnum), fire class B4 according to EN 1063, DIN EN 1063 and stress type 3 according to DIN 52290 , The direction of the arrow indicates the direction of fire.
  • standard fire triangular fire at a distance of 120mm, with a 44 Remington Magnum
  • fire class B4 according to EN 1063
  • DIN EN 1063 DIN EN 1063
  • stress type 3 according to DIN 52290
  • the direction of the arrow indicates the direction of fire.
  • the 3 fiber composite layers 1 made of carbon fiber fabric had a total weight of 788 g / m 2 and the thirteen layers of fiber composite layers 2 made of aramid fiber fabric had a total weight of 6,474 g / m 2 .
  • the fiber composite layers 1 and 2 have been connected to one another by 88 g / m 2 phenolic resin. The weight of the light armor element could thus be reduced to only 8.7 kg / m 2 .
  • a light armor element with 6 layers of carbon fiber fabric (hard fiber composite layers 1) and 20 layers Aramid fiber fabric 2 (elastic fiber composite layers 2) is shown in Fig. 2. First are in Direction of fire at the 6 layers of carbon fiber fabric and then arranged the 20 layers of aramid fiber fabric.
  • Multihit is the one. Technical term for one Triangle shot with triple caliber spacing, the increased Requirements for the armor element to avoid the
  • FIG. 3 shows a further embodiment variant with 6 Carbon fiber layers (hard fiber composite layers 1) and 29 Aramid fiber layers (elastic fiber composite layers 2) shown in the same order as for the two the aforementioned examples are arranged.
  • the carbon fiber fabric was likewise a basis weight of a total of 1.664g / m 2 and the aramid fiber fabric has a basis weight of a total of 14,442 g / m 2.
  • the combination with 88 g / m 2 phenolic resin resulted in a weight of 19.3 kg / m 2 .
  • Fig. 4 are three fiber composite layers 2 made of aramid fiber fabric between 3 fiber composite layers 1 each Carbon fiber fabric arranged. From the direction of fire (Arrow direction) thus follows a hard area from FIG. 3 Carbon fiber layers that the energy of the projectile at least partially absorbs an elastic region from FIG. 3 Layers of aramid fiber, the deformed projectile or Projectile splinter tries to hold back. On this again a hard area is excluded 3 Carbon fiber layers, which the energy of the projectile and the projectile splinter is further reduced until in the subsequent elastic region from 17 Aramid fiber layers the projectile and its splinters be completely stopped.
  • Fig. 5 is in the direction of fire an area in which one alternates Carbon fiber layer (fiber composite layer 1) and one
  • Aramid fiber layer (fiber composite layer 2) are arranged.
  • the wall thicknesses of the new lightweight armor elements depending on the number of fiber composite layers used between 5 and 20mm and sometimes fall short essentially the wall thicknesses of known armor glass fiber reinforced plastics, aramid fabrics or other known combinations in multi-layer construction.
  • the number of fiber composite layers in the corresponding Areas must be in accordance with the required bullet security to get voted.
  • the edge area 3 according to FIG. 6 can also secure in Direction of fire should be reinforced.
  • 10 elastic fiber composite layers arranged over the entire surface 2 in the edge area 3 another 10 elastic Fiber composite layers 2 added. Above all Fiber composite layers 2 is in the direction of fire the hard fiber composite layer 3.
  • the fire classes are B1 to B7 according to DIN EN 1026 the weapons and calibers assigned.
  • the Continuous top line indicates use of steel, the dashed bottom line the use of the innovative light armor elements.
  • the light armor elements can be in the form of mats or molded parts. Because of their flexibility they can easily be placed in the desired surface contours shape, i.e. it has good drapability ensures that even complex contours can be replicated. This is done simultaneously the layers with higher strength (Carbon fiber layers) avoided instability.
  • the fiber composite layers it is also possible a different order of the fiber composite layers to choose, e.g. can also be used with 6 hard and 20 elastic layers, alternating one at a time hard and an elastic layer can be arranged and then the remaining elastic layers.
  • the number of fiber composite layers 1 and / or 2, depending on the requirement, may also be lower than for the aforementioned embodiments.

Landscapes

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

Claims (12)

  1. Élément de blindage léger, en particulier pour des véhicules de sécurité, avec une première épaisseur de couches de fibres composites (1) de grande solidité disposée dans le sens des tirs et suivie d'une deuxième épaisseur de couches de fibres composites (2) de grande élasticité, les deux épaisseurs étant assemblées par des liants et le nombre de premières épaisseurs de couches de fibres composites (1) orientées dans le sens des projectiles et de deuxièmes épaisseurs de couches de fibres composites (2) qui les suivent dans l'élément de blindage léger habillant le véhicule de sécurité pouvant varier en fonction de la sûreté anti-projectiles demandée, caractérisé en ce que le nombre de deuxièmes couches de fibres composites (2) élastiques dépasse le nombre de premières couches de fibres composites (1) dures ou en ce que la succession des premières couches de fibres composites (1) dures et de deuxièmes couches de fibres composites (2) élastiques varie.
  2. Élément de blindage léger selon la revendication 1, caractérisé en ce que des couches de fibres composites (1) dures et des couches de fibres composites (1) moins dures peuvent être combinées.
  3. Élément de blindage léger selon l'une quelconque des revendications 1 à 2, caractérisé en ce que des couches de fibres composites (2) élastiques et des couches de fibres composites (2) moins élastiques peuvent être combinées.
  4. Élément de blindage léger selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les couches de fibres composites (1, 2) se composent de fibres organiques et/ou inorganiques mélangées à des liants.
  5. Élément de blindage léger selon l'une quelconque des revendications 1 à 4, caractérisées en ce que l'on utilise des fibres de lin, de chanvre, de sisal, d'aramide, textiles, de carbone, ou des combinaisons de ces matériaux en fibres.
  6. Élément de blindage léger selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'on utilise comme liants thermodurcissables des résines phénoliques et des résines de mélamine et comme liants thermoplastiques du polyéthylène ou du polyamide.
  7. Élément de blindage léger selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les couches de fibres composites sont conformées comme des textiles, des nappes ou des tricots.
  8. Élément de blindage léger selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la première couche de fibres composite (1) est un textile de fibres de carbone.
  9. Élément de blindage léger selon la revendication 8, caractérisé en ce que le poids par unité de surface du textile de fibres de verre est de l'ordre de 200 g/m3.
  10. Élément de blindage léger selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la deuxième couche de fibres composite (2) est un textile de fibres d'aramide.
  11. Élément de blindage léger selon la revendication 10, caractérisé en ce que le poids par unité de surface du textile de fibres d'aramide est de l'ordre de 90 g/m3.
  12. Élément de blindage léger selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'il présente, dans le sens des projectiles, 3 à 6 épaisseurs de la première couche de fibres composite (1) suivies de 13 à 29 épaisseurs de la deuxième couche de fibres composite (2).
EP99963149A 1998-07-17 1999-07-06 Element de blindage leger Expired - Lifetime EP1099089B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19832255 1998-07-17
DE19832255A DE19832255A1 (de) 1998-07-17 1998-07-17 Leichtpanzerungselement
PCT/DE1999/002135 WO2000006966A1 (fr) 1998-07-17 1999-07-06 Element de blindage leger

Publications (2)

Publication Number Publication Date
EP1099089A1 EP1099089A1 (fr) 2001-05-16
EP1099089B1 true EP1099089B1 (fr) 2002-10-23

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ID=7874458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99963149A Expired - Lifetime EP1099089B1 (fr) 1998-07-17 1999-07-06 Element de blindage leger

Country Status (4)

Country Link
EP (1) EP1099089B1 (fr)
AU (1) AU5966699A (fr)
DE (2) DE19832255A1 (fr)
WO (1) WO2000006966A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012013738A1 (fr) 2010-07-29 2012-02-02 Dsm Ip Assets B.V. Article balistique résistant

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114075B4 (de) 2001-03-22 2005-08-18 Semikron Elektronik Gmbh Stromrichterschaltungsanordnung für Generatoren mit dynamisch veränderlicher Leistungsabgabe
DE10162461B4 (de) * 2001-12-19 2005-12-29 Fauner, Gerhard, Prof. Dr. Beschusshemmender Liner mit Abschirm- bzw. Ablenkwirkung gegen elektromagnetische Strahlung
DE10231607B4 (de) * 2002-07-12 2005-03-24 Daimlerchrysler Ag Panzerungselement
DE102005019455B4 (de) * 2005-04-25 2010-09-30 Schuberth Engineering Ag Beschussfestes Lagenpaket
US7598185B2 (en) 2005-12-15 2009-10-06 Polystrand, Inc. Composite ballistic panels and method of use
EP2156135B1 (fr) * 2007-05-25 2012-01-11 Polystrand, Inc. Panneau pare-balles composite et sa méthode d'utilisation

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US2925098A (en) * 1955-07-26 1960-02-16 Gentex Corp Ballistic fabric
US3771418A (en) * 1971-09-29 1973-11-13 Us Army Anti-spall lightweight armor
IT1084874B (it) * 1977-09-12 1985-05-28 Bottini Emilio Materiale composito antiproiettile,formabile in lastre piane e curve o in corpi cavi di forma complessa
FR2544481A1 (fr) * 1983-04-13 1984-10-19 Yves Moriceau Structure multicouches de protection contre les projectiles
NL8403529A (nl) * 1984-11-20 1986-06-16 Synterials B V Pantserplaat, werkwijze en een mal voor het vormen daarvan.
US4681792A (en) * 1985-12-09 1987-07-21 Allied Corporation Multi-layered flexible fiber-containing articles
WO1991000490A1 (fr) * 1989-06-30 1991-01-10 Allied-Signal Inc. Article composite antiballistique
DE9215781U1 (de) 1992-11-20 1993-01-14 Trasco Export GmbH, 2820 Bremen Panzerung, insbesondere für Fahrzeuge
DE4300746C2 (de) 1993-01-14 1995-10-26 Daimler Benz Aerospace Ag Leichtpanzerung
JPH10510355A (ja) 1994-12-09 1998-10-06 フォス エレクトリック アクティーゼルスカブ 情報取得方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012013738A1 (fr) 2010-07-29 2012-02-02 Dsm Ip Assets B.V. Article balistique résistant

Also Published As

Publication number Publication date
DE19832255A1 (de) 2000-01-27
AU5966699A (en) 2000-02-21
DE59903185D1 (de) 2002-11-28
WO2000006966A1 (fr) 2000-02-10
EP1099089A1 (fr) 2001-05-16

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