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EP1747419B1 - Plaque de blindage en ceramique, systeme de blindage et procede pour produire une plaque de blindage en ceramique - Google Patents

Plaque de blindage en ceramique, systeme de blindage et procede pour produire une plaque de blindage en ceramique Download PDF

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Publication number
EP1747419B1
EP1747419B1 EP05746412A EP05746412A EP1747419B1 EP 1747419 B1 EP1747419 B1 EP 1747419B1 EP 05746412 A EP05746412 A EP 05746412A EP 05746412 A EP05746412 A EP 05746412A EP 1747419 B1 EP1747419 B1 EP 1747419B1
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EP
European Patent Office
Prior art keywords
accordance
armour plate
ceramic
recesses
crack stoppers
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
EP05746412A
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German (de)
English (en)
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EP1747419B8 (fr
EP1747419A1 (fr
Inventor
Bernhard Heidenreich
Martin Nedele
Rüdiger Schulte
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsches Zentrum fuer Luft und Raumfahrt eV
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Publication of EP1747419A1 publication Critical patent/EP1747419A1/fr
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Publication of EP1747419B1 publication Critical patent/EP1747419B1/fr
Publication of EP1747419B8 publication Critical patent/EP1747419B8/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
    • F41H5/0414—Layered armour containing ceramic material

Definitions

  • the invention relates to a ceramic armor plate which is integrally formed and comprises a plurality of contiguous segments which are functionally separated by crack arresters, the crack arresters serving to prevent the propagation of cracks from one segment to an adjacent segment as in GB2336807 A described.
  • the invention relates to an armor system comprising at least one such armor plate.
  • the invention relates to a method for producing such a ceramic armor plate, in which in an armored plate preform crack stopper are generated and the armor plate is divided over the crack stopper into coherent functional segments.
  • a tank system is for example from the EP 0 810 415 B1 ( DE 697 07 560 T2 ) known; this comprises a plurality of ceramic tiles, which are arranged in a tile layer.
  • the ceramic tiles have the task of destroying the core of an impacting bullet due to the hardness of the ceramic.
  • a ceramic sandwich material for ballistic protection comprises layers of ceramic material of a thickness between 0.5 mm and 3.0 mm, wherein a binding material is arranged between adjacent layers. Weak areas are provided over a series of groove patterns to prevent the spread of cracks within cell areas enclosed by the grooves.
  • a component made of SiC ceramic is known, which is produced from a starting body of cellulosic material by its pyrolysis and subsequent infiltration of silicon.
  • a ceramic ballistic protective layer which has a closed surface on a side facing the bombardment.
  • the side facing away from the bombardment has a segmented surface composed of individual column-defined segments, the depth of the gaps between the segments being at least 0.15 mm smaller than the thickness of the layer.
  • the present invention seeks to provide a ceramic armor plate and an armor system, which can be produced in a simple manner.
  • the crack stopper are formed on cracks that serve as the crack stopper cracks between an upper side and a lower side of the armor plate, that cover layers are provided between which run the cracks and that the cover layers are made of a material , which has a lower coefficient of thermal expansion than the material between the cover layers.
  • a one-piece armor plate is provided with integral tearstoppers.
  • the production is greatly simplified because not a plurality of individual tiles must be made, which then still have to be joined, but integrally a whole plate is made, which occupies a larger area. Since no joining is necessary, the associated problems are avoided. For example, in the manufacture of ceramic plates, shrinkage in size and deformation may occur. If ceramic tiles are to be added, then this requires an elaborate production, so that a precisely fitting joint with small gap widths between the tiles can be achieved. In the ceramic armor plate according to the invention but a joint is not necessary, so that the production is less expensive.
  • the tearstoppers can be easily formed during manufacture, for example via defined cracks or via grooves introduced before the ceramization. This, in turn, makes it possible to generate the functional segments defined for the desired application.
  • the crack stopper can be arranged differently. This results in a greater number of control and adjustment options for the crack during firing and thus for the ballistic properties of the armor plate.
  • the crack stopper also results in improved protection during multiple firing.
  • Crackstops are formed over cracks.
  • Such cracks can be produced in a defined manner, for example by placing cover plates (cover layers) on a solid material preform which have a different thermal expansion coefficient than the solid material preforms. Upon subsequent ceramization, an integral composite material with crack formation is produced.
  • the cracks serving as a crack stopper run between an upper side and a lower side of the armor plate. This allows the armor plate to be subdivided into functional segments, whereby the crack propagation beyond segments can be stopped.
  • the tear stops are integrated into the armor plate.
  • the armor plate can be easily manufactured and also a tank system comprising at least one armor plate according to the invention can be produced in a simple manner.
  • the crack stops are formed in the solid material of the armor plate, so that no separate and subsequently to be joined tiles must be provided.
  • the production of the armor plate is greatly simplified, with a large surface area can be easily produced.
  • the crack stops are produced during the manufacture of the armor plate.
  • tear stops are formed by recesses and / or via recesses.
  • the recesses can be in particular before the ceramization of Panzerplatten-Vorörpers in a simple manner produce. They can be arranged in a defined manner. For example, a grid can be produced at recesses. Furthermore, the recesses can be produced with a defined depth.
  • In the produced armor plate recesses are not necessarily available anymore. For example, they are filled with a release agent prior to infiltration with carbide-forming materials (such as silicon for siliconization).
  • carbide-forming materials such as silicon for siliconization
  • the Rißstopperfunktion remains but obtained because the material of the segments (for example SiC) has a much higher speed of sound than the material of the release agent in the recesses (for example, BN, C, Si). It is also a filling with carbon-rich paste, which is not converted to SiC in the silicification, or possible with pure silicon.
  • the recesses are made in the thickness direction of the armor plate.
  • the armor plate is divided into functional segments, the segments are contiguous.
  • the recesses prevent crack propagation beyond a segment when a segment undergoes an impact, for example, by a bullet impact.
  • recesses are made at an angle between 15 ° and 45 ° relative to a thickness direction of the armor plate. This can be advantageous for certain applications.
  • the recesses are non-continuous.
  • tear stops are formed by grooves and / or grooves. Such grooves can be produced in a simple manner, for example by milling or laser machining or water jet cutting.
  • the depth of the grooves ranges between 0.05 to 0.9, and preferably between 0.1 and 0.6, of the thickness of the armor plate.
  • the depth of the grooves ranges between 0.05 to 0.9, and preferably between 0.1 and 0.6, of the thickness of the armor plate.
  • tear stops are formed by perforations and / or perforations.
  • the cracks extend at least approximately in the thickness direction of the armor plate.
  • the armor plate can be divided into segments that correspond to a tile composite with joints between the tiles, but the armor plate is integrally formed.
  • the cover layers are made of C / C-SiC.
  • C / C preforms are each fixed on the underside and the top of a porous carbon precursor and it is carried out a subsequent silicization.
  • cover layers of C-C-SiC can be formed. Due to the different material properties, a crack structure can be produced during the siliconization or during the cooling of the silicon-infiltrated body, the cracks extending between the cover layers. This in turn allows the functional segments to be generated. The size of segments can be adjusted by different layers with different thermal expansion coefficients.
  • the distance between crack stops in the range between 5 mm and 100 mm, and preferably between 30 mm and 50 mm.
  • the layers are formed integrally with each other. For example, multiple layers are combined in one piece (in situ) during ceramization (such as via infiltration of liquid silicon, ie, siliconization).
  • the armor plate is made of a silicon carbide ceramic. This has a high hardness, so that an impacting bullet is destroyed. It is also conceivable to produce the armor plate via other carbide-forming metals such as titanium or chromium.
  • tearstoppers are introduced into the ceramic material of the armor plate and in particular are embedded there. In particular, there is no connection to the surfaces.
  • the armor plate can be produced in particular from a carbon-containing preform.
  • a preform is easily editable. He is at least partially ceramizable.
  • this preform is produced by means of graphite powder and binders.
  • the armor plate according to the invention can be produced inexpensively if the ceramic material of the armor plate is made by means of a biomorphic material and in particular a cellulose-containing material. Corresponding production processes are described in German patent application no. 103 29 822.3 from 30 June 2003 or in the DE 199 47 731 A1 described. These documents are expressly referred to.
  • the armor plate according to the invention can be used advantageously in an armor system comprising at least one armor plate according to the invention.
  • a corresponding armor system has in particular a multilayer structure.
  • An example is in the EP 0 810 415 B1 described, to which reference is expressly made. Instead of a plurality of tiles, as described there, at least one armor plate according to the invention can be used.
  • a backing structural support layer
  • a backing structural support layer
  • a lightweight material such as aluminum or carbon Kevlar or aramid.
  • the invention is further based on the object to provide a method of the type mentioned for the production of a ceramic armor plate, which is carried out in a simple manner.
  • the crack arrestor for the armor plate to be produced
  • the ceramic armor plate in an armor plate preform, in which the introduction can be done easily. This results in an easy manufacturability, wherein defined functional segments can be created by a defined crack stopper generation.
  • the method according to the invention has the advantages already explained in connection with the ceramic armor plate according to the invention.
  • the crack stops are made prior to ceramization of the armor plate material. It is then possible to produce the crack stopper, for example, by machining material. In the pre-ceramification stage, the material is much less hard than after ceramization and therefore easier to process.
  • the crack stops are produced by producing recesses. These can be produced by mechanical material processing, such as cutting material processing (milling, drilling, grinding, etc.), and / or by beam processing such as laser machining or water jet machining in a simple manner in a defined arrangement and shape.
  • the recesses are filled with release agent.
  • the release agent has the task to ensure the Rißstopperfunktion for the finished armor plate (which is ceramized).
  • the release agent serves to prevent wetting with carbide-forming material during ceramization.
  • it is filled with carbon-rich paste.
  • carbon webs can be produced in a ceramic armor plate.
  • a filling can also be done with silicon.
  • Cracks are generated defined as crack stopper.
  • the cracks are generated via the connection with cover plates. These cover plates are placed on a preform before ceramization. By ceramizing, for example, by siliconizing a one-piece connection of the cover plates, whereby cracks are generated.
  • cover plates are made of C / C, that is made of carbon fiber reinforced carbon.
  • FIG. 1 A first embodiment of an armor plate, which is not part of the invention is in FIG. 1 shown schematically and designated there as a whole with 10.
  • the armor plate 10 is made of a silicon carbide ceramic.
  • a carbonaceous armor plate preform is made.
  • a cellulosic material is used for the production of the armor plate preform body, thereby producing a porous preform.
  • the preform is then converted by pyrolysis into an open porous carbon body.
  • grooves 12 are introduced before the ceramization.
  • a rectangular grid 14 is made on grooves 12.
  • grooves 12 or recesses are introduced before the pyrolysis in a green body. (This facilitates mechanical processing.) Shrinkage during pyrolysis reduces the gap between adjacent segments. In the case of a green body with recesses or grooves, the risk of delamination during pyrolysis is reduced since gases can escape more quickly via the recesses or grooves.
  • the grooves 12 divide the armor plate 10 into individual segments 16, wherein the segments 16 are contiguous; the armor plate 10 is integrally formed.
  • the segments 16 are functionally defined. They are limited by grooves 12.
  • the grooves 12 prevent cracks occurring in one segment (for example, in the segment 18 by impact of a projectile) from spreading to adjacent segments 20a, 20b, 20c, 20d, 20e, 20f, 20g, 20h.
  • the grooves 12 are introduced after the pyrolysis before the ceramization of the armor plates Vor stresses. This is done for example by machining material processing such as milling and / or laser machining.
  • the grooves 12 extend in a thickness direction d in the armor plate 10.
  • the armor plate 10 has a thickness D (FIG. FIG. 1 ).
  • the depth of the grooves 12 is preferably in the range between 0.1 times to 0.6 times the thickness D of the armor plate 10.
  • a typical depth of the grooves 12 is about 6 mm.
  • the segments 16, defined by the grid 14 of the grooves 12, have typical transverse dimensions (perpendicular to the thickness direction d) of between 30 mm and 50 mm.
  • the armor plate preform After introduction of the grooves 12, a siliconization of the armor plate preform takes place; By infiltrating materials comprising silicon, the armor plate preform is converted into a silicon carbide armor plate.
  • cellulose-containing powder is used as the starting component for the production of the armor plate preform.
  • a corresponding production method in which a porous preform is produced from a cellulose-containing material, the porous preform is converted into an open-porous carbon body by pyrolysis, and the open-porous carbon body is formed by infiltration of silicon-comprising materials into a silicon-comprising carbide ceramic, in particular silicon carbide ceramic is converted, wherein at least cellulose-containing powder is used as the starting component for the production of the preform) is in the not prepublished German patent application no. 103 29 822.3 of June 30, 2003, by the same Applicant.
  • components which infiltrate a Sillicium-containing material and thereby comprise substantially carbide comprising silicon, particularly silicon carbide, ceramized carbon bodies, the carbon body having a substantially homogeneous pore structure by using at least cellulose-containing powder and binder as starting ingredients This application is expressly incorporated by reference.
  • the grooves 12 may be filled with a release agent such as boron nitride prior to siliconization; Silicon does not wet the release agent. As a result, defects remain in the siliconizing, which just serve as a crack stopper.
  • a release agent such as boron nitride prior to siliconization
  • Crackstoppers are introduced into the armor plate 10.
  • These crack stopper are the grooves 12, which are introduced lattice-like. If a projectile is a segment, for example the segment 18 (for illustrative purposes in FIG FIG. 1 hatched), then the grooves 12 surrounding the segment 18 prevent the propagation of cracks in the adjacent segments 20a, b, c, d, e, f, g, h.
  • the armor plate 10 can be made integral and the tearstoppers are integrally formed in the armor plate 10. For example, it is also possible to produce the armor plate 10 with corresponding curvatures.
  • FIG. 1 In the embodiment according to FIG. 1 are inserted through the grooves 12 non-continuous recesses in an armor plate preform. It is also possible to use a second exemplary embodiment 22 (FIG. FIG. 2 ) showed that prior to ceramization in an armored plate preform through recesses 24 are introduced in the form of perforations. These perforations also serve as tear stops to prevent the propagation of cracks from one segment 26 to adjacent segments.
  • FIG. 3 is a schematic sectional view through the armor plate according to FIG. 1 shown.
  • a surface 30 from which the grooves 12 are introduced is preferably opposite an outer side 28 of the armor plate 10. In one application, the outside 28 preferably faces outward.
  • an armor plate as in FIG. 4 shown schematically and designated there as a whole with 32, is constructed in several layers, for example with a first layer 34a, a second layer 34b and a third layer 34c.
  • the layers 34a, 34b, 34c are integrally connected to each other, so that the armor plate 32 is integrally formed.
  • the layers 34a, 34b, 34c are produced, for example, via separate pyrolyzed preforms, the corresponding layers then being joined together in one piece via the siliconization.
  • grooves 36 are introduced as crack stopper before the ceramization (siliconization).
  • the introduction takes place in principle as described above with reference to the first embodiment.
  • functional segments 38a, 38b, 38c are generated in each layer.
  • the segments in each layer are just functionally separated by the grooves 36 as Rißstopper.
  • a typical depth of the grooves 36 is about 3 mm.
  • the segments 38b of the layer 34b overlap the segments 38c and 38a of the layers 34a and 34c, respectively.
  • grooves 42 and 44 are introduced from opposite surfaces 46, 48 ago.
  • the grooves 42, 44 are non-continuous and staggered with respect to a direction transverse to the thickness direction d.
  • This also makes functional segments in the Armor plate 40 is formed, wherein the grooves 42, 44 as a tear stopper prevent the propagation of cracks beyond a segment, when the corresponding segment is hit, for example, by a projectile.
  • an armor plate which in FIG. 6 is shown and designated there as a whole by 50, a multilayer structure with a first layer 52a, a second layer 52b and a third layer 52c is provided.
  • the layers are, for example, silicon carbide layers, which are integrally connected to one another via siliconization.
  • the middle layer 52b has cracks 54 which have been produced in a defined manner. The. Cracks extend at least approximately parallel to a thickness direction of the armor plate 50.
  • the cracks 54 serve as a crack stopper.
  • the armor plate 50 is divided into functional segments 56, wherein the respective segments are limited by cracks.
  • the cracks 54 as a kind of predetermined breaking points, prevent the propagation of cracks beyond a segment 56, if, for example, cracks occur in the segment 56 due to the impact of a projectile.
  • the cracks can also be at an angle of 15 ° to 45 ° or perpendicular to the thickness direction.
  • the armor plate 50 is added in multiple layers with the cracks 54 as internal defects in situ, that is, the armor plate 50 is integrally formed.
  • FIG. 7 shown by another embodiment of an armor plate 58 that cracks 60 as crack stopper, for example in a silicon carbide ceramic material 62 are formed, wherein the solid material 62 between cover layers 64, 66 made of C / C-SiC.
  • the cover layers 64, 66 are produced via cover layer preforms, for example made of C / C, which are connected to the solid material preform for the siliconization.
  • cover layer preforms for example made of C / C, which are connected to the solid material preform for the siliconization.
  • a typical thickness of the cover layers 64, 66 is about 1 mm.
  • armored plates are provided which can be produced in a simple manner.
  • technical woods can be used for the production.
  • ceramization crack stopper are produced in the armor plate preform, thereby dividing the armor plate into functional segments. Due to the functional segments, it is possible to achieve a spatial limitation of the damage zone during the impact, for example by impact of a projectile on the armor plate.
  • the armor plate itself is made integral with the Rißstoppern; It can thereby produce relatively large plates and obstruct.
  • the plates can also be made with bends to better conform to an application.
  • the crack stops can be produced in a simple manner before the ceramization in the armor plate preform, for example by machining material and / or laser machining.
  • the functional segments can be produced with defined dimensions. The corresponding distances are selected, for example, so that the so-called three-hit condition is met.
  • the armor plates of the invention can be integrated into an armor system, as in the FIG. 8 shown schematically and designated there as a whole by 68.
  • Such an armor system is in the DE 697 07 560 T2 ( EP 0 810 415 B1 ).
  • This document is expressly incorporated by reference.
  • At least one ceramic armor plate 72 according to the invention sits on a structural support layer 70 (backing).
  • the structural support layer 70 may be made of aluminum, for example, or of composite materials such as carbon Kevlar.
  • the (at least one) armor plate 72 is glued to the structural support layer 70, for example via an adhesive layer 74.
  • the fragmentation layer 76 serves to minimize fragmentation of the structural support layer 70.
  • the armor plate 72 may be covered by a plurality of cover layers 78, 80, 82. Upwards, the armor system 68 is bounded by a steel plate 84. Regarding the construction is on the EP 0 810 415 B1 directed. It can be the same structure as described there use, instead of a plurality of tiles, the at least one armor plate according to the invention is used.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Finishing Walls (AREA)
  • Panels For Use In Building Construction (AREA)

Claims (31)

  1. Plaque de blindage en céramique, formée d'un seul tenant et qui comporte une pluralité de segments solidaires (16), fonctionnellement séparés par des arrêteurs de fissures (12 ; 24 ; 60), lesdits arrêteurs de fissures (12 ; 24 ; 60) servant à empêcher la propagation de fissures d'un segment (16) vers un segment adjacent, caractérisée en ce que les arrêteurs de fissures sont formés par des fissures (60), en ce que les fissures (60) servant d'arrêteurs de fissures s'étendent entre une face supérieure et une face inférieure de la plaque de blindage, en ce que des couches de couverture (64 ; 66) sont prévues, entre lesquelles s'étendent les fissures (60), et en ce que les couches de couverture sont fabriquées dans une matière ayant un coefficient de dilatation inférieur à celui de la matière comprise entre les couches de couverture.
  2. Plaque de blindage en céramique selon la revendication 1, caractérisée en ce que les arrêteurs de fissures (12 ; 24 ; 42 ; 44 ; 54 ; 60) sont intégrés dans la plaque de blindage.
  3. Plaque de blindage en céramique selon la revendication 1 ou la revendication 2, caractérisée en ce que les arrêteurs de fissures (12 ; 24 ; 60) sont formés dans la masse de la plaque de blindage.
  4. Plaque de blindage en céramique selon l'une des revendications précédentes, caractérisée en ce que les arrêteurs de fissures (12 ; 24 ; 60) sont réalisés lors de la fabrication de la plaque de blindage.
  5. Plaque de blindage en céramique selon l'une des revendications précédentes, caractérisée en ce que des arrêteurs de fissures sont formés par des évidements (12 ; 24) et/ou au moyen d'évidements (12 ; 24).
  6. Plaque de blindage en céramique selon la revendication 5, caractérisée en ce que les évidements (12 ; 24) sont réalisés dans le sens de l'épaisseur (d) de la plaque de blindage.
  7. Plaque de blindage en céramique selon la revendication 5 ou la revendication 6, caractérisée en ce que des évidements sont réalisés suivant un angle compris entre 15° et 45° par rapport au sens de l'épaisseur (d) de la plaque de blindage.
  8. Plaque de blindage en céramique selon l'une des revendications 5 à 7, caractérisée en ce que des évidements borgnes (12) sont prévus.
  9. Plaque de blindage en céramique selon l'une des revendications 5 à 8, caractérisée en ce que des arrêteurs de fissures sont formés par des rainures (12) et/ou au moyen de rainures (12).
  10. Plaque de blindage en céramique selon la revendication 9, caractérisée en ce que la profondeur des rainures (12) est comprise entre 0,05 et 0,9 épaisseur (D) de la plaque de blindage.
  11. Plaque de blindage en céramique selon l'une des revendications 5 à 10, caractérisée en ce que des évidements traversants (24) sont prévus.
  12. Plaque de blindage en céramique selon l'une des revendications 5 à 11, caractérisée en ce que des arrêteurs de fissures sont formés par des perforations (24) et/ou au moyen de perforations (24).
  13. Plaque de blindage en céramique selon l'une des revendications précédentes, caractérisée en ce que les fissures (60) s'étendent au moins approximativement dans le sens de l'épaisseur (d) de la plaque de blindage.
  14. Plaque de blindage en céramique selon l'une des revendications précédentes, caractérisée en ce que les couches de couverture (64 ; 66) sont réalisées en C/C-SiC.
  15. Plaque de blindage en céramique selon l'une des revendications précédentes, caractérisée en ce que des manques de matière sont prévus comme arrêteurs de fissures.
  16. Plaque de blindage en céramique selon l'une des revendications précédentes, caractérisée en ce que l'espacement entre arrêteurs de fissures (12 ; 24 ; 60) est compris entre 5 mm et 100 mm.
  17. Plaque de blindage en céramique selon l'une des revendications précédentes, caractérisée par une structure stratifiée.
  18. Plaque de blindage en céramique selon l'une des revendications précédentes, fabriquée en matériau carbure-céramique.
  19. Plaque de blindage en céramique selon l'une des revendications précédentes, fabriquée en céramique à carbure de silicium.
  20. Système de blindage, comprenant au moins une plaque de blindage selon l'une des revendications précédentes.
  21. Système de blindage selon la revendication 20, caractérisé par une structure stratifiée.
  22. Système de blindage selon la revendication 20 ou la revendication 21, caractérisé en ce que la ou les plaques de blindage (72) sont disposées sur un fond (70).
  23. Procédé de fabrication d'une plaque de blindage en céramique selon la revendication 1, où des arrêteurs de fissures sont réalisés dans un premier corps de plaque de blindage et où la plaque de blindage est subdivisée en segments fonctionnellement solidaires par les arrêteurs de fissures, caractérisé en ce que des fissures sont produites comme arrêteurs de fissures et en ce que ces fissures sont produites par la liaison avec des couches de couverture.
  24. Procédé selon la revendication 23, caractérisé en ce que les arrêteurs de fissures sont réalisés avant la céramisation de la matière de la plaque de blindage.
  25. Procédé selon la revendication 23 ou la revendication 24, caractérisé en ce que des arrêteurs de fissures sont produits par réalisation d'évidements.
  26. Procédé selon la revendication 25, caractérisé en ce que des évidements sont réalisés par usinage mécanique de la matière.
  27. Procédé selon la revendication 25 ou la revendication 26, caractérisé en ce que des évidements sont produits par usinage par faisceau.
  28. Procédé selon l'une des revendications 23 à 27, caractérisé en ce que des évidements sont comblés par un agent séparateur.
  29. Procédé selon l'une des revendications 23 à 28, caractérisé en ce que les couches de couverture sont réalisées en C/C.
  30. Procédé selon l'une des revendications 23 à 29, caractérisé en ce que le premier corps de la plaque de blindage est un premier corps à teneur en carbone.
  31. Procédé selon l'une des revendications 23 à 30, caractérisé en ce qu'une structure stratifiée est prévue, les couches étant liées à la céramisation pour former une plaque de blindage d'un seul tenant.
EP05746412A 2004-05-19 2005-05-12 Plaque de blindage en ceramique, systeme de blindage et procede pour produire une plaque de blindage en ceramique Expired - Lifetime EP1747419B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004026515A DE102004026515A1 (de) 2004-05-19 2004-05-19 Keramische Panzerplatte, Panzersystem und Verfahren zur Herstellung einer keramischen Panzerplatte
PCT/EP2005/005172 WO2005114089A1 (fr) 2004-05-19 2005-05-12 Plaque de blindage en ceramique, systeme de blindage et procede pour produire une plaque de blindage en ceramique

Publications (3)

Publication Number Publication Date
EP1747419A1 EP1747419A1 (fr) 2007-01-31
EP1747419B1 true EP1747419B1 (fr) 2010-08-04
EP1747419B8 EP1747419B8 (fr) 2010-09-15

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EP05746412A Expired - Lifetime EP1747419B8 (fr) 2004-05-19 2005-05-12 Plaque de blindage en ceramique, systeme de blindage et procede pour produire une plaque de blindage en ceramique

Country Status (7)

Country Link
US (1) US20070125223A1 (fr)
EP (1) EP1747419B8 (fr)
AT (1) ATE476636T1 (fr)
DE (2) DE102004026515A1 (fr)
IL (1) IL179146A (fr)
WO (1) WO2005114089A1 (fr)
ZA (1) ZA200609276B (fr)

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Also Published As

Publication number Publication date
EP1747419B8 (fr) 2010-09-15
US20070125223A1 (en) 2007-06-07
DE102004026515A1 (de) 2005-12-15
WO2005114089A1 (fr) 2005-12-01
DE502005010042D1 (de) 2010-09-16
IL179146A (en) 2012-10-31
IL179146A0 (en) 2007-03-08
EP1747419A1 (fr) 2007-01-31
ZA200609276B (en) 2007-09-26
ATE476636T1 (de) 2010-08-15

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