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EP2053339B1 - Elément de blindage composite plat - Google Patents

Elément de blindage composite plat Download PDF

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Publication number
EP2053339B1
EP2053339B1 EP20080018139 EP08018139A EP2053339B1 EP 2053339 B1 EP2053339 B1 EP 2053339B1 EP 20080018139 EP20080018139 EP 20080018139 EP 08018139 A EP08018139 A EP 08018139A EP 2053339 B1 EP2053339 B1 EP 2053339B1
Authority
EP
European Patent Office
Prior art keywords
armouring element
cutout
composite
composite armouring
effective
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.)
Active
Application number
EP20080018139
Other languages
German (de)
English (en)
Other versions
EP2053339A2 (fr
EP2053339A3 (fr
Inventor
Norbert Keil
Jürgen Weber
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.)
KNDS Deutschland GmbH and Co KG
Original Assignee
Krauss Maffei Wegmann GmbH and Co KG
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
Application filed by Krauss Maffei Wegmann GmbH and Co KG filed Critical Krauss Maffei Wegmann GmbH and Co KG
Publication of EP2053339A2 publication Critical patent/EP2053339A2/fr
Publication of EP2053339A3 publication Critical patent/EP2053339A3/fr
Application granted granted Critical
Publication of EP2053339B1 publication Critical patent/EP2053339B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F41H5/0414—Layered armour containing ceramic material
    • F41H5/0428—Ceramic layers in combination with additional layers made of fibres, fabrics or plastics
    • 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
    • F41H5/0442—Layered armour containing metal
    • F41H5/0457—Metal layers in combination with additional layers made of fibres, fabrics or plastics
    • 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 planar composite armor element, in particular for ballistic armoring of vehicles and buildings or other objects, with the features of the preamble of patent claim 1, a method for producing such a composite armor element and a vehicle with a surface to be protected, protected with a composite armor element is.
  • Composite armor elements such as composite armor plates, which consist of a composite of several materials are known per se. Often composite armor plates are constructed such that between two flat, parallel, rigid plate elements high-strength filling elements are introduced, which are then encapsulated with a pourable mass.
  • the DE 1 578 324 A1 describes such 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 are further spaced apart using a plurality of layers of spacer material such that each layer of spacer material is alternately wound over and under the cylinders in their respective locations.
  • 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 basic idea described in the application is to connect the active bodies with, in particular, short and narrow webs to form longer rows and thus to create easily producible active-body chains. These are easier to handle in the context of the production of composite armor plate, as much fewer steps are necessary by reducing the number of parts.
  • no shock-absorbing materials need to be introduced between the active body, since the webs ensure a minimum gap between the active bodies and thus a shock absorption by means of the webs or the matrix material in the gaps between the active bodies.
  • Another composite armor element which also contains at least one layer of active bodies, which are arranged in rows next to each other and embedded in a matrix material.
  • 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.
  • a disadvantage of the known composite armor elements, which, viewed over the surface, have a constant protective effect resulting from a homogeneous structure is that vehicle-specific conditions can only be taken insufficiently into account.
  • the area to be protected may have ballistically weaker or stronger areas.
  • a ballistically weaker area can be, for example occur in the area of a weld.
  • a ballistically stronger area can result, for example, from the fact that in this area already an increased protective effect by a sheet metal doubling o. ⁇ . is present.
  • the protective effect of the composite armor element is adapted to the conditions prevailing in the object to be protected. This is achieved in that the planar composite armor element at least one contiguous, extending over the entire thickness d of the composite armor element partial section, in which there is at least one complete active body, in which the cumulative mass of the active body located in the partial section against the cumulative mass of the active body, which is located in a Whole thickness d of the composite armor element extending reference partial section of the same extent in the direction of the length and width are changed, so that in the partial section results in a modified protective effect, with edge regions of the composite armor element disregarded.
  • the ratio of the cumulative mass of the active body located in the partial section to the mass of the matrix material in the partial section is changed.
  • the cumulative mass results from the addition of the individual masses of the active bodies, which are located in the partial section.
  • At least one complete active body is arranged in the reference partial cutout.
  • the composite armor element can thus also protect large, non-uniform surfaces, so that the number of required composite armor elements arranged on an object to be protected can be kept low. In addition, no complex mixing of different protection concepts is necessary.
  • the expansion in length and width of the partial section is just as limited as the number of partial sections. However, so that a significant change in the protective effect occurs, the partial section should have at least one surface in length and width of 5 cm 2 .
  • a change in the active body volume can be realized in various ways. Manufacturing-technically advantageous embodiments can be achieved in that the height of the active body or the number of active body is changed in the partial section.
  • the height of at least one active body is changed relative to the height of an active body located outside the partial section, wherein the height of the active body in the partial section does not have to be constant.
  • the change is designed according to the local protection needs of the surface to be protected, the changes in height may be in the range of 1% to 500%, with the range of 50% to 200% in particular proving favorable.
  • a change in the number of active bodies in a partial cutout can be achieved, in particular, in that there is an altered number of layers of active bodies in the partial cutout.
  • the composite armor element on at least two layers, in which case the lower layer is completely occupied and at least one overlying layer in the region of the partial section incomplete.
  • the number of superimposed active body is reduced in the partial section.
  • an additional layer can be introduced.
  • the composite armor element preferably has a flat surface on the side facing the threat.
  • the invention also allows an optically uniform image of the protective elements used to be achieved with a high degree of protection.
  • the active bodies of a series are at least partially connected by webs chain-like or matrix-shaped firmly together.
  • Such an advantageous embodiment of the active body is in the aforementioned German patent application DE 10 2006 053 047 A1 described. All embodiments and combinations of the composite armor plate described there with the corresponding advantages can also be advantageously used in the present invention, so that these embodiments are hereby fully incorporated, in particular the design of the geometry and size of the individual active body, the configuration of the webs of the active body chains, or WirkMechmatrizen, the configuration of the end faces of the active body, the materials used of the active body and the matrix material, the measures for Shock damping, the arrangement of the active body to each other and the structure of the composite armor plate.
  • An advantageous manufacturing method is also in the EP 1 959 223 A2 described, the content of which is hereby fully incorporated into the present application.
  • a polymeric matrix material is used.
  • At least one additional filler in particular of a metallic or non-metallic solid, is added to the matrix material.
  • the partial cutouts are filled in which the cumulative mass, in particular the height, of the active body is reduced.
  • the filler can reduce the weight of the matrix material. For this reason, the filler preferably has a density of less than 3 g / cm 3 , since it is thus lighter than common matrix materials.
  • a weight reduction can also be achieved in that the filler is foamy (eg polyurethane foam), honeycomb (eg plastic honeycomb), powdered (eg glass microspheres, hollow glass microspheres or chalk powder) or fibrous (eg short fibers of glass, carbon or aramid), where he may also be liquid or gaseous.
  • foamy eg polyurethane foam
  • honeycomb eg plastic honeycomb
  • powdered eg glass microspheres, hollow glass microspheres or chalk powder
  • fibrous eg short fibers of glass, carbon or aramid
  • softer active bodies of any geometry for example, in a partial cutout instead of high-hardness active bodies, e.g. made of plastic, to be used.
  • high-hardness active bodies e.g. made of plastic
  • the invention also includes a vehicle, in particular a combat vehicle, with a surface to be protected, which has at least one ballistically weaker or stronger area, wherein on the surface to be protected for protection a composite armor element according to the invention is arranged, wherein the partial cutout, in which the cumulative mass the active body located in the partial section is enlarged or reduced, protects the ballistically weaker or stronger area.
  • vehicle-specific conditions in the individual composite armor elements can be taken into account. In this case, for example, vehicle components such as fuse and control boxes, panels etc. in the protection conception with their ballistic performance are taken into account.
  • armor ballistic weak points such as welds stronger and to provide already well protected areas with a weaker protection.
  • a method according to the invention for producing a composite armor element provides that during manufacture the area to be protected by the composite armor element is taken into account such that the active bodies are introduced into the composite armor element such that in the partial section of the composite armor element that has a ballistically weaker or stronger area Protected to protect surface, the cumulative mass of the active body located in the partial section is increased or decreased.
  • a composite armor plate is shown as a planar composite armor element 10 of length l, width b and the thickness d constant over the length and width.
  • the composite armor element 10 is a layer of several, arranged in rows one behind the other active bodies 11, wherein the active body 11 are joined together via webs 16 to integrally produced chains of active bodies.
  • active body 11b are arranged, which have a height h2.
  • the active bodies 11 are embedded in a polymeric matrix material 12, which is enriched with additional fillers.
  • the composite armor element 10 is arranged as an auxiliary armor plate on a surface 13 to be protected of a combat vehicle, not shown.
  • the surface 13 is composed of two welded together elements of armor steel, whereby the weld 14, a ballistically weak point is formed.
  • the composite armor element 10 has an increased protective effect in this area. This is achieved in that in the Part cutout T1, which extends over the entire thickness d of the planar composite armor element 10, the active body 11a have a height h1 which is greater than the height h2 of the active body in the likewise over the entire thickness d extending reference partial section T2, which also the same extent in length and width as the partial section T1.
  • the cumulative mass which results from the masses of the individual active bodies 11a located in the partial section T1, changes the active body 11a in the partial section T1 relative to the cumulative mass of the active bodies 11b, which are located in the reference partial area T2 , so that there is an altered protective effect.
  • the surface 13 is reinforced by an additional armor plate 15, so that this area is ballistically stronger. For this reason, only a lower protective effect of the composite armor element 10 is necessary at this point, which therefore includes in the partial section T3 active body 11c having an approximately half the height h3 as the active body 11b with the height h2 from the reference portion T2.
  • the Fig. 3 shows in a sectional view a second inventive embodiment of a planar composite armor element 20 with a thickness d, which is on one of two welded armor plates assembled to be protected surface 23 of a vehicle not shown is applied.
  • the composite armor element 20 has a plurality of layers of offset one above the other arranged active bodies 21 of the height h, which are connected within a layer via webs 26 to chains of active substance.
  • the composite armor element 20 has a partial cutout T4 extending over the thickness d, in which an additional, third layer of active bodies 21 is arranged, so that an increased protective effect results.
  • the cumulative mass of the active body 21 arranged in the partial section T4 is changed relative to the mass of the active body 21 arranged in a reference partial section T5 of the same extension extending in the length and width direction over the entire thickness d, wherein the mass , the volume and the material of each individual active body 21 is unchanged.
  • the active bodies 21 are first lined up and potted with a matrix material.
  • the composite armor element 20 should have a flat end surface 27, cavities are formed.
  • cavities are filled with a particularly light matrix material which has been enriched by fillers with a low density, so that the total weight is reduced.
  • the fillers are added to the mostly 2-component matrix material after mixing as a third component. This avoids
  • Misch ensure and produces a uniformly filled with permeable, homogeneous matrix material.
  • the active body in a partial area, which covers a ballistically thicker area, made of plastic.

Landscapes

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

Claims (14)

  1. Elément de blindage composite (10, 20) plat destiné à la protection contre des projectiles, lequel contient au moins une couche de corps actifs (11, 21), qui sont disposés en rangées de manière juxtaposée dans l'élément de blindage composite (10, 20) et sont intégrés dans un matériau matriciel (12, 22), caractérisé en ce que il présente au moins un segment partiel (T1, T3, T4) continu, s'étendant sur toute l'épaisseur d de l'élément de blindage composite (10, 20), dans lequel se trouve au moins un corps actif (11,21) complet, dans lequel la masse cumulée des corps actifs (11, 21) se trouvant dans le segment partiel (T1, T3, T4) est modifiée par rapport à un segment partiel (T2, T5) de référence s'étendant sur toute l'épaisseur d de l'élément de blindage composite (10, 20), de même extension dans la direction de la longueur et de la largeur, de sorte qu'il en découle dans le segment partiel (T1, T3, T4) une action de protection modifiée.
  2. Elément de blindage composite (10, 20) selon la revendication 1, caractérisé en ce que dans le segment partiel (T1, T3, T4), la hauteur (h1, h3) d'au moins un corps actif (11, 21) est modifiée par rapport à la hauteur (h2) d'un corps actif (11, 21) se trouvant à l'extérieur du segment partiel (T1, T3, T4).
  3. Elément de blindage composite (10, 20) selon la revendication 2, caractérisé en ce que la modification de la hauteur se situe dans la plage allant de 1 % à 500 %, en particulier dans la plage allant de 50 à 200 %.
  4. Elément de blindage composite (10, 20) selon l'une quelconque des revendications précédentes, caractérisé en ce que le nombre de corps actifs (11, 21) est modifié dans le segment partiel (T1, T3, T4).
  5. Elément de blindage composite (10, 20) selon la revendication 4, caractérisé en ce qu'un nombre modifié de couches est présent dans le segment partiel (T1, T3, T4).
  6. Elément de blindage composite (10, 20) selon l'une quelconque des revendications précédentes, caractérisé en ce que dans le segment partie] (T1,T3, T4), les corps actifs (11, 21) sont fabriqués à partir d'un matériau modifié.
  7. Elément de blindage composite (10, 20) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il présente une surface terminale (17, 27) plate.
  8. Elément de blindage (10, 20) selon l'une quelconque des revendications précédentes, caractérisé en ce que les corps actifs (11, 21) d'une rangée sont reliés au moins en partie par des traverses (16, 26) solidement les uns aux autres de manière à présenter une forme de chaîne ou une forme de matrice.
  9. Elément de blindage composite (10, 20) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une matière de charge supplémentaire, constituée en particulier d'une matière solide est ajoutée au matériau matriciel (12, 22).
  10. Elément de blindage composite (10, 20) selon la revendication 9, caractérisé en ce que la matière de charge présente une densité inférieure à 3 g/cm3.
  11. Elément de blindage composite (10, 20) selon la revendication 9 ou 10, caractérisé en ce que la matière de charge se présente sous forme de mousse, sous forme alvéolée, sous forme pulvérulente ou sous forme fibreuse.
  12. Elément de blindage composite (10, 20) selon la revendication 9 ou 10, caractérisé en ce que la matière de charge se présente sous forme fluide ou sous forme gazeuse.
  13. Véhicule, en particulier véhicule de combat, comprenant une surface (13, 23) à protéger, laquelle présente au moins une zone plus vulnérable ou plus solide d'un point de vue balistique, dans lequel un élément de blindage composite (10, 20) selon l'une quelconque des revendications 1 à 12 est disposé au niveau de la surface (13, 23) à protéger afin d'en assurer la protection, dans lequel le segment partiel (T1, T3, T4), dans lequel la masse cumulée des corps actifs (11, 21) se trouvant dans le segment partiel (T1, T3, T4) est augmentée ou diminuée, protège la zone plus faible ou plus solide d'un point de vue balistique.
  14. Procédé de fabrication d'un élément de blindage composite (10, 20) selon l'une quelconque des revendications 1 à 12, caractérisé en ce que lors de la fabrication, la surface (13, 23) à protéger avec l'élément de blindage composite (10, 20) est prise en compte de telle manière que les corps actifs (11, 21) sont ménagés dans l'élément de blindage composite (10, 20) de telle manière que dans le segment partiel (T1, T3, T4) de l'élément de blindage composite (10, 20), qui protège une zone de la surface (13, 23) à protéger, plus faible ou plus solide d'un point de vue balistique, la masse cumulée des corps actifs (11, 21) se trouvant dans le segment partiel (T1, T3, T4) est augmentée ou diminuée.
EP20080018139 2007-10-24 2008-10-16 Elément de blindage composite plat Active EP2053339B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710050658 DE102007050658B4 (de) 2007-10-24 2007-10-24 Flächiges Verbundpanzerungselement

Publications (3)

Publication Number Publication Date
EP2053339A2 EP2053339A2 (fr) 2009-04-29
EP2053339A3 EP2053339A3 (fr) 2012-09-05
EP2053339B1 true EP2053339B1 (fr) 2013-03-13

Family

ID=40210431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080018139 Active EP2053339B1 (fr) 2007-10-24 2008-10-16 Elément de blindage composite plat

Country Status (3)

Country Link
EP (1) EP2053339B1 (fr)
DE (1) DE102007050658B4 (fr)
ES (1) ES2409786T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010000648B4 (de) 2010-03-05 2024-09-19 Knds Deutschland Gmbh & Co. Kg Verbundpanzerungselement zum Schutz vor Geschossen
DE102010000649B4 (de) 2010-03-05 2013-04-25 Krauss-Maffei Wegmann Gmbh & Co. Kg Verfahren zur Instandsetzung eines Verbundpanzerungselements sowie Reparatur-Set zur Durchführung der Instandsetzung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3431818A (en) 1965-04-26 1969-03-11 Aerojet General Co Lightweight protective armor plate
DE7820768U1 (de) * 1978-07-11 1979-11-22 Industrie-Werke Karlsruhe Augsburg Ag, 7500 Nuernberg Ballistischer schutz
US4683800A (en) * 1985-11-25 1987-08-04 Aeronatical Research Associates Of Princeton, Inc. Modular armor
DE3833949C2 (de) * 1988-10-05 1994-01-13 Verschleis Technik Dr Ing Hans Panzerplatte
DE4005904A1 (de) * 1990-02-24 1991-08-29 Bayerische Motoren Werke Ag Als panzerung dienendes verbundbauteil
US5435226A (en) * 1993-11-22 1995-07-25 Rockwell International Corp. Light armor improvement
CN1082655C (zh) * 1998-03-30 2002-04-10 莫菲特埃特蔡恩公司 复合装甲板
IL149591A (en) * 2002-05-12 2009-09-22 Moshe Ravid Ballistic armor
GB0506360D0 (en) * 2005-03-30 2005-05-04 Secr Defence A ceramic element for use in armour
DE102005050981A1 (de) 2005-10-25 2007-04-26 Krauss-Maffei Wegmann Gmbh & Co. Kg Verbundpanzerplatte
DE102006053047B4 (de) 2006-11-10 2008-12-18 Krauss-Maffei Wegmann Gmbh & Co. Kg Verbundpanzerplatte
ATE503981T1 (de) 2007-02-14 2011-04-15 Krauss Maffei Wegmann Gmbh & C Verfahren zur herstellung einer verbundpanzerungsplatte
DE102007019392B4 (de) 2007-04-23 2010-09-30 Krauss-Maffei Wegmann Gmbh & Co. Kg Verbundpanzerungselement

Also Published As

Publication number Publication date
DE102007050658A1 (de) 2009-04-30
EP2053339A2 (fr) 2009-04-29
DE102007050658B4 (de) 2010-02-11
ES2409786T3 (es) 2013-06-27
EP2053339A3 (fr) 2012-09-05

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