EP2363682B1 - Procédé de réparation d'un élément de blindage composite et kit de réparation destiné à la réalisation de la réparation - Google Patents

Procédé de réparation d'un élément de blindage composite et kit de réparation destiné à la réalisation de la réparation Download PDF

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Publication number
EP2363682B1
EP2363682B1 EP11156737.6A EP11156737A EP2363682B1 EP 2363682 B1 EP2363682 B1 EP 2363682B1 EP 11156737 A EP11156737 A EP 11156737A EP 2363682 B1 EP2363682 B1 EP 2363682B1
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EP
European Patent Office
Prior art keywords
active body
replacement
active
bodies
composite armor
Prior art date
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Active
Application number
EP11156737.6A
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German (de)
English (en)
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EP2363682A2 (fr
EP2363682A3 (fr
Inventor
Robert Bayer
Jürgen Weber
Norbert Keil
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.)
Krauss Maffei Wegmann GmbH and Co KG
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Krauss Maffei Wegmann GmbH and Co KG
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Application filed by Krauss Maffei Wegmann GmbH and Co KG filed Critical Krauss Maffei Wegmann GmbH and Co KG
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Publication of EP2363682A3 publication Critical patent/EP2363682A3/fr
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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
    • F41H5/0492—Layered armour containing hard elements, e.g. plates, spheres, rods, separated from each other, the elements being connected to a further flexible layer or being embedded in a plastics or an elastomer matrix

Definitions

  • the invention relates to a repair method for repairing a composite armor element, with several active bodies.
  • the active bodies in particular of a high-hardness material, can be embedded in a potting material or glued to a base plate via an adhesive.
  • Composite armor elements for protection against projectiles such as composite armor plates or flexible composite armor mats, which consist of a composite of several materials, are known per se. Frequently composite armor plates are constructed such that between two particular flat and parallel plate elements high-strength filling elements are introduced as active body, which are then encapsulated with a pourable mass.
  • the active bodies can also be arranged in a cassette.
  • the active bodies can also be glued and arranged in particular on a base plate.
  • Composite armor elements are often applied later as additional armor to existing armor such as a combat vehicle to give the object to be protected increased security against attacks.
  • the DE 1 578 324 A1 describes a rigid composite armor plate, being used as filling elements balls or cylinders made of a hard ceramic material.
  • the cylinders are arranged in rows in the plate in several discontinuous layers or layers, ie their longitudinal axes are substantially parallel to the plane of the plate and parallel to each other.
  • the cylinders and balls are further spaced apart. If hit by a ballistic missile, the active bodies and the projectile are shattered.
  • the DE 10 2005 050 981 A1 describes a planar composite armor plate for projectile protection, which comprises at least one layer of high-hardness rod-shaped elements arranged in rows next to each other in the plate such that their longitudinal axes are substantially parallel to the plane of the plate and parallel to each other, one row at least two in Axial direction one behind the other, rod-shaped elements, and wherein the joints between the rod-shaped elements within a row with respect to the joints of at least one adjacent row are arranged offset in the axial direction.
  • a composite armor plate for protection from projectiles which contains at least one layer of active bodies, which are arranged in rows next to each other in the plate and which are embedded in a matrix material, wherein the active bodies of a row are at least partially connected by webs fixedly connected to each other.
  • the use of high-hardness active bodies in a composite armor element has the advantage that, when a projectile strikes, the active body or bodies are shattered at the point of impact, whereby the kinetic energy of the projectile is converted into a fragmentation energy.
  • the aim of a composite armor element is, even with modern, high-strength projectile cores, especially in many hits with a small distance (so-called "multi-hit"), to avoid bullet holes.
  • the protective effect at this point of the composite armor element is greatly reduced, so that the composite armor element would have to be replaced.
  • the replacement of a complete composite armor element is both costly and time consuming because, if necessary, the composite armor element is not available on the spot and must first be procured, whereby, for example, the vehicle protected by the composite armor element is also unavailable.
  • the FR 1 604 806 A discloses a repair of a composite armor plate in which shattered rod-shaped active bodies are replaced by spherical active bodies, wherein in addition a ceramic plate is placed outside.
  • Another composite armor plate is in the EP 2 071 272 A2 described.
  • the damaged defect-active body is taken out in the repair of a composite armor element and used in its place an undamaged replacement active body. If in this case the replacement active body in shape, size and material is identical to the defect-active body, so there is a risk that the original protective effect of the composite armor element is not achieved because of this aftertreatment in the composite system is unavoidable. Furthermore, the possibility of exchanging individual active bodies may also be impaired due to tolerance overlaps.
  • an exchange active body is used according to the invention, which has an increased protective effect than the defective active body.
  • the inhomogeneity of the composite system can be compensated by increasing the protective effect of the exchange active body, so that the protective effect of the composite armor element is improved.
  • the increase in the protective effect is that the replacement active body consists of a different material than the defective active body.
  • the replacement active body has a higher hardness than the defective active body.
  • the active bodies may consist of a metallic material, such as steel, as well as of ceramics, such as aluminum oxide, boron carbide or silicon carbide. If the defect-active body consists of alumina, the replacement active body can also consist of higher quality alumina higher hardness. Also, by the use of active bodies, which are made of a nano-material, such as a nano-ceramic, a higher protective effect can be achieved.
  • active bodies having an increased protective action are considerably more expensive than active bodies having a lower protective effect, so that, in order to achieve a reasonable cost-benefit ratio in composite armor elements, the active bodies of the highest protective effect are not used to achieve a sufficient protective effect.
  • these costs are secondary, so that in this case can be used on active body of increased protection.
  • the replacement active body has a different shape or size than the defective active body.
  • the replacement active bodies preferably have a greater length in the weft direction.
  • the replacement active body of this can be potted with a potting material, glued or positively or positively connected, so that the composite system of the composite armor element is restored.
  • the potting or adhesive material may be the same as the already present in the composite armor potting or adhesive material, or it can be used a potting or adhesive material, which has a higher protective effect than the potting or adhesive material of the composite armor element, so that in turn the protective effect of the composite armor element can be increased at this point.
  • an adhesive bond an elastic or structural bond can be used.
  • the active body arranged in the composite armouring element and the replacement active body can have a pellet-shaped, for example cylindrical or spherical, design and otherwise have any desired geometry.
  • the repair process is designed such that after completion of the repair of the replacement of the defect-active body is invisible by the replacement active body from the outside, so that the possibly still present reduced protection from the outside is not recognizable.
  • an additional protective increase measure in particular an additional protective plate or reinforcing plate, for example of fiber material, metal or ceramic, are used.
  • an additional protective plate or reinforcing plate for example of fiber material, metal or ceramic.
  • the reinforcing plate is preferably made of a different material than the base plate. It may also have a higher hardness and / or a greater thickness than the base plate.
  • a reinforcing plate can be placed on the outside of the composite armor element. Further, when the composite armor element is a base plate has removed, a part of the base plate in the region of theandwirkMech and replaced by a reinforcing plate, which in particular has an increased protective effect than the base plate. The base plate may face the object to be protected.
  • the invention also encompasses a composite armor element which has been repaired according to the inventive repair method already described.
  • the repair of a composite armor element of the type already described can be carried out with a repair kit that, preferably in a housing, a removal means for removing a damaged defect-active body, such as a knife or a gouge, at least two exchange active body different protective effect and a potting material includes.
  • the repair set includes a plurality of exchange active bodies of different protective effect, that is different material, different shape and size, so that by means of the repair set a variety of composite armor elements can be repaired.
  • the potting and / or adhesive material may be disposed in containers in the form of single or multi-component adhesives or thermosetting material in the repair kit.
  • the repair set may include a potting device for potting an exchange active body with potting material, for example a spray device.
  • the repair set can have introduction means, in particular a striking device such as a hammer, preferably made of plastic, for introducing the replacement active body into the composite armor element.
  • the Fig. 1 shows a composite armor 30, in which the inventive method of repair can be used.
  • the composite armor element 30 serves to protect a vehicle wall 7 from projectiles 9.
  • the composite armoring element 30 placed on the vehicle wall 7 consists of a base plate 1, on which pellet-shaped active bodies 2 are arranged.
  • the active bodies 2 may be configured, for example, spherical or cylindrical with various end face geometries.
  • the active body 2 are potted with a potting compound 3, for example made of plastic, such as polyurethane, epoxy resin, polyester or rubber, or glued with an adhesive.
  • the active bodies 2 can be arranged in one layer or in two or more layers next to one another, lying or standing in the composite armor element 30. Furthermore, different, for example, damping layers 6, not shown, may be provided.
  • the completion of the composite armor plate 30 can be formed by a cassette 23 with an end plate 8 opposite the base plate 1.
  • Fig. 1 can be clarified that in a hit of the composite armor element 30 with a projectile 9 individual active body 4 are smashed in the region of the place of impact and are thus damaged. These damaged active bodies are referred to as defective active body 4. Furthermore, the vehicle wall 7 due to the shock effect of the projectile 9 may have damage such as a bulge 24 or a penetration.
  • the composite armor plate 30 can be repaired.
  • the defect-active body 4 are removed with a blade-like removal means such as a chisel 15 or a knife from the composite armor 30.
  • a blade-like removal means such as a chisel 15 or a knife from the composite armor 30.
  • undamaged replacement active body 22 inserted into the composite armor element 30 and sealed with a potting compound 16, 17 or glued with an adhesive.
  • the replacement active body 22 may in this case have the same shape and size as the defect active body 4 and be made of a different material with an increased hardness, so that there is an increased protective effect.
  • the exchange active body can also be made of the same material as the defect-active body 4 but be larger, so he more kinetic Energy of a projectile 9 can transform into smashing energy, so that thereby an increased protective effect is achieved.
  • alumina has the lowest hardness, followed by silicon carbide. The highest hardness has boron carbide, which thus provides a better protective effect in comparison.
  • the replacement active body 11 can consist of higher-grade aluminum oxide or of silicon carbide or of boron carbide, so that an increased protective effect is achieved and the composite armor element again has a sufficient protective action at this point.
  • Fig. 3 also a part of the base plate 1 is replaced.
  • the composite armor element 30 is first removed from the vehicle 7, so that the base plate 1 is accessible. Subsequently, a portion of the base plate 1 is taken out and replaced by a reinforcing plate 27 as an additional protection plate.
  • This reinforcing plate 27 located in the region of the replacement active body 22 can have an increased protective effect as the base plate 1 and consist, for example, of a harder material.
  • An advantage of this type of reinforcement is that the repair is not visible from the outside.
  • the reinforcing plate 27 extends not only via the replacement active bodies 22 but also via at least one adjacent, non-exchanged active body 2.
  • the reinforcing plate 27 has the same thickness as the base plate 1.
  • Fig. 4 can also be a reinforcing plate 28 outside of the cassette or the cover plate 8 in the area of the exchange active body 22 are placed, so that in this area the protective effect is further increased.
  • the reinforcing plate 28 as an additional protection plate extends not only over the exchange active body 22 but also over at least one adjacent, not exchanged active body. 2
  • the Fig. 5 shows an example of a single active body 2 according to DE 10 2005 013 660 A1 with a cylindrical basic shape (diameter d, height h), wherein a cone 5 of the height l is arranged on an end face.
  • the Fig. 6 shows an example of an active body chain 20 according to the DE 10 2006 053 047 A1 in which the individual active bodies 2 are connected to one another via web connections 10.
  • Individual defect-active bodies 4 are also particularly preferably exchanged for such active-substance chains 20, since these have advantageous ballistic properties.
  • Bridge-connected defect bodies can also be replaced by single, non-web-connected replacement bodies.
  • the Fig. 7 schematically shows a repair kit according to the invention 13 consisting of a gusset 15 as a removal means for taking out a damaged defect-active body 4. Further, the repair kit 13 has a selection of several undamaged replacement active bodies 11, 12, 21, 22 different size, different Shape and different material and thus different protective effect.
  • the active bodies 11 and 22 have the same geometry, but they are made of different materials.
  • the repair kit 13 further includes two containers 16, 17 with two components A and B of a two component resin, which is in a mixing container 18 are mixed together and introduced via a syringe-like potting device in the composite armor after the replacement active body 11, 12, 21, 22 have been introduced with a hammer 14 as impact device in the composite armor.
  • the repair kit 13 may further include an adhesive mixing gun, a static mixer, protective gloves, masking tape, degreasing cleaner, stir bars, topcoat, backing material, liner material, and instructions.
  • a part of the base plate 1 is replaced.
  • the composite armor element 30 is first removed from the vehicle 7, so that the base plate 1 is accessible.
  • a portion of the base plate 1 is taken out and replaced by a reinforcing plate 25 as an additional protection plate.
  • This reinforcing plate 25 located in the region of the replacement active body 22 can have an increased protective effect than the base plate 1.
  • the reinforcing plate 25 extends not only over the replacement active body 22 but also over at least the surface area of the bulge 24. The reinforcement is not visible from the outside.
  • Fig. 9 can also be a reinforcing plate 26 outside of the cassette or the cover plate 8 in the area of the exchange active body 22 are placed, so that in this area the protective effect is further increased.
  • the reinforcing plate 26 as an additional protection plate extends not only over the replacement active body 22 but also over at least the surface area of the bulge 24th
  • mushroom-shaped active body for example, in the EP 1 400 775 B1 are shown used as replacement active body.
  • the repair kit 13 may further include one or more reinforcing plates, such as the reinforcing plates 25, 26, 27, and 28.
  • the repair kit comprises a selection of reinforcing plates of different size and / or thickness and / or material.
  • a suitable reinforcing plate can be selected and used on site.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (10)

  1. Procédé de réparation d'un élément de blindage composite (30), en particulier d'une plaque de blindage composite, comprenant une pluralité d'éléments actifs (2),
    un élément actif défectueux (4) endommagé étant retiré et un élément actif de remplacement non endommagé (11, 12, 21, 22) ayant un effet de protection accru par rapport à un élément actif défectueux non endommagé étant inséré à la place,
    caractérisé en ce que
    l'élément actif de remplacement (11, 12, 21, 22) ayant un effet de protection accru comporte un matériau différent de celui de l'élément actif défectueux (4) et
    l'élément actif de remplacement (11, 12, 21, 22) a une dureté supérieure à celle de l'élément actif défectueux (4).
  2. Procédé de réparation selon l'une des revendications précédentes, caractérisé en ce que l'élément actif de remplacement (11, 12, 21, 22) a une forme et/ou une taille différentes de celles de l'élément actif défectueux (4).
  3. Procédé de réparation selon l'une des revendications précédentes, caractérisé en ce que l'élément actif de remplacement (11, 12, 21, 22) est relié à l'élément de blindage composite par un matériau d'enrobage (16, 17) et/ou un matériau adhésif.
  4. Procédé de réparation selon l'une des revendications précédentes, caractérisé en ce que les éléments actifs (2, 4, 11, 12, 21, 22) sont en forme de granule.
  5. Procédé de réparation selon l'une des revendications précédentes, caractérisé en ce qu'une pluralité d'éléments actifs défectueux (4), notamment juxtaposés, sont retirés et remplacés par au moins un élément actif de remplacement (11, 12, 21, 22).
  6. Procédé de réparation selon l'une des revendications précédentes, caractérisé en ce que, après la réparation, le remplacement de l'élément actif défectueux (4) par l'élément actif de remplacement (11, 12, 21, 22) est invisible de l'extérieur.
  7. Procédé de réparation selon l'une des revendications précédentes, caractérisé en ce qu'une mesure supplémentaire de renforcement de la protection, en particulier une plaque de renforcement (25, 26, 27, 28), est utilisée dans la région de l'emplacement de remplacement.
  8. Procédé de réparation selon l'une des revendications précédentes, caractérisé en ce qu'une plaque de renforcement (26, 28) est placée extérieurement sur l'élément de blindage composite (30).
  9. Procédé de réparation selon l'une des revendications précédentes, caractérisé en ce que l'élément de blindage composite (30) comporte une plaque de base (1), une partie de la plaque de base (1) située dans la région de l'élément actif de remplacement (11, 12, 21, 22) étant retirée et remplacée par une plaque de renforcement (25, 27) qui présente notamment un effet de protection accru par rapport à la plaque de base (1).
  10. Elément de blindage composite (30), caractérisé en ce qu'il a été réparé selon l'une des revendications précédentes.
EP11156737.6A 2010-03-05 2011-03-03 Procédé de réparation d'un élément de blindage composite et kit de réparation destiné à la réalisation de la réparation Active EP2363682B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010000649A DE102010000649B4 (de) 2010-03-05 2010-03-05 Verfahren zur Instandsetzung eines Verbundpanzerungselements sowie Reparatur-Set zur Durchführung der Instandsetzung

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EP2363682A2 EP2363682A2 (fr) 2011-09-07
EP2363682A3 EP2363682A3 (fr) 2013-10-30
EP2363682B1 true EP2363682B1 (fr) 2019-09-04

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DE (1) DE102010000649B4 (fr)

Families Citing this family (2)

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DE102014200216A1 (de) * 2014-01-09 2015-07-09 Metallwarenfabrik Marktoberdorf Gmbh & Co. Kg Reparaturelement für eine Regenwasserableitungskomponente, Reparaturset mit einem solchen Reparaturelement und Verwendung eines solchen Reparaturelementes oder Reparatursets zum Abdichten einer undichten Stelle einer Regenwasserableitungskomponente, insbesondere Dachrinne
DE102014200218A1 (de) * 2014-01-09 2015-07-09 Metallwarenfabrik Marktoberdorf Gmbh & Co. Kg Dachrinnenverbindungselement und Verwendung eines solchen Dachrinnenverbindungselementes zum Verbinden zweier Dachrinnen, Dachrinnenverbindungsset mit einem solchen Dachrinnenverbindungselement sowie Dachrinnenverbindungsanordnung

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FR1604806A (fr) 1964-07-07 1972-04-17
DE1578324A1 (de) 1965-04-26 1970-01-02 Aerojet General Co Panzerung
US3765299A (en) 1968-09-06 1973-10-16 Us Army Universal applique armor
US4036104A (en) 1976-02-17 1977-07-19 The United States Government As Represented By The Secretary Of The Army Lightweight method of construction for ribbed applique armor
DE3918079A1 (de) 1988-06-03 1989-12-07 Foster Miller Inc Vorrichtung zum erhoehen der ueberlebensfaehigkeit einer gepanzerten einrichtung
GB2219379A (en) 1988-06-03 1989-12-06 Foster Miller Inc Applique armour system.
US5259549A (en) 1992-12-21 1993-11-09 The United States Of Americas As Represented By The Secretary Of The Army Method to attach a plate to a steel substrate
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EP1400775B1 (fr) 2002-09-19 2008-12-17 Michael Cohen Corps en céramique et plaque de blindage ballistique comportant de tels corps
EP1517113A1 (fr) 2003-09-22 2005-03-23 Michael Cohen Système de véhicule modulaire blindé
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EP2363682A2 (fr) 2011-09-07
DE102010000649B4 (de) 2013-04-25
DE102010000649A1 (de) 2011-09-08
EP2363682A3 (fr) 2013-10-30

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