WO2008048218A2 - Panneau de blindage composite et son procédé de fabrication - Google Patents

Panneau de blindage composite et son procédé de fabrication Download PDF

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Publication number
WO2008048218A2
WO2008048218A2 PCT/US2006/029641 US2006029641W WO2008048218A2 WO 2008048218 A2 WO2008048218 A2 WO 2008048218A2 US 2006029641 W US2006029641 W US 2006029641W WO 2008048218 A2 WO2008048218 A2 WO 2008048218A2
Authority
WO
WIPO (PCT)
Prior art keywords
armor
ceramic spheres
substrate
composite armor
polymer
Prior art date
Application number
PCT/US2006/029641
Other languages
English (en)
Other versions
WO2008048218A3 (fr
Inventor
Raymond M. Gamache
I. Daniel Helton
Michael S. Cork
Original Assignee
Specialty Products, Inc.
Navy, United States Of America, As Represented By The Secretary Of The Navy
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 Specialty Products, Inc., Navy, United States Of America, As Represented By The Secretary Of The Navy filed Critical Specialty Products, Inc.
Priority to PCT/US2006/029641 priority Critical patent/WO2008048218A2/fr
Publication of WO2008048218A2 publication Critical patent/WO2008048218A2/fr
Publication of WO2008048218A3 publication Critical patent/WO2008048218A3/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • 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

  • This invention relates, in general, to military-grade armor panels and methods of manufacturing the same and, in particular, to military-grade composite armor panels that provide for blast and fragment protection from explosive devices as well as ballistic mitigation.
  • a composite armor panel and method of manufacturing the same are disclosed that provide blast and fragment protection from explosive devices as well as ballistic mitigation.
  • a plurality of ceramic spheres are positioned in contact with an armor substrate.
  • a polymer layer which may include a polyurea, polyurethane, or hybrid thereof, for example, is interposed between the plurality of ceramic spheres such that the polymer layer partially or fully encapsulates the plurality of ceramic spheres and bonds the plurality of ceramic spheres to the armor substrate.
  • the plurality of ceramic spheres are either partially exposed or completely encapsulated and, in both instances, oriented in a direction of anticipated impact.
  • FIG. 1 depicts a front perspective view of one embodiment of a High Mobility Multipurpose Wheeled Vehicle (HMMWV) or Humvee utilizing the composite armor panels presented herein;
  • HMWV High Mobility Multipurpose Wheeled Vehicle
  • Figure 2A depicts a front plan view, partially broken away, of one embodiment of a Humvee door having a composite armor panel
  • Figure 2B depicts a side cross-sectional view, partially broken away, of the Humvee door of figure 2A taken along line 2B-2B';
  • Figures 3 A through 3C depict three side views illustrating one embodiment of the manufacture of a composite armor panel;
  • Figures 4 A through 4C depict three side views illustrating another embodiment of the manufacture of a composite armor panel;
  • Figures 5 A through 5C depict three side views of one embodiment of a composite armor panel being impacted by a high-speed, large-caliber projectile
  • Figure 6 depicts a side cross-sectional view of another embodiment of a composite armor panel
  • Figure 7 depicts a side cross-sectional view of another embodiment of a composite armor panel
  • Figure 8 depicts a side cross-sectional view of another embodiment of a composite armor panel
  • Figure 9 depicts a side cross-sectional view of another embodiment of a composite armor panel
  • Figure 1 OA depicts a side view of one embodiment of an armor panel for personal protection that utilizes composite armor panels; and Figure 1OB depicts a side cross-sectional view of the armor panel presented in figure
  • FIG 1 therein is depicted one embodiment of a Humvee, which is utilizing the composite armor panels described herein, that is schematically illustrated and generally designated 10.
  • the Humvee 10 is a light, highly mobile, diesel-powered, four-wheel- drive vehicle equipped with an automatic transmission.
  • the Humvee 10 can be configured as a troop carrier, armament carrier, S250 shelter carrier, ambulance, TOW missile carrier, or a Scout vehicle, for example. It should be understood that the Humvee is presented by way of example only.
  • the composite armor panels described herein may be utilized with any type of military vehicle, civilian vehicle, or fixed structure.
  • the Humvee 10 is outfitted as a troop carrier that is extremely effective in difficult terrain regardless of road type or weather conditions.
  • the Humvee 10 is designed to protect the lives of the soldiers being transported as well as the integrity of any onboard cargo.
  • a body tub 12, a bed 14, a rear fender 16, a front hood 18, and a roof 32 are manufactured from aluminum panels which are appropriately bonded and riveted together.
  • Steel components such as a windshield 18 and front grill 20 add further armor and protection.
  • a V8, 6.2 liter displacement, fuel injection engine transfers power to drive axles and onto rear tires 22 and 24 and front tires 26 and 28 which include a runflat system to enable operation even with one or more flat tires.
  • doors 34 and 36 comprise composite armor panels that provide blast and fragment protection from explosive devices as well as ballistic mitigation.
  • the composite armor panels include a substrate having a polymer layer disposed thereon. Ceramic spheres are secured to the substrate by the polymer layer and may or may not be in contact with the substrate. Moreover, the polymer layer may or may not completely encapsulate the ceramic spheres.
  • an armor plate may be integrated into the composite armor panel and positioned in an opposing relationship to the armor substrate by the polymer layer. The composite armor panels described herein impart protection that meets or exceeds that of existing armor panels.
  • the composite armor panels are described as being utilized in the doors of a Humvee, the composite armor panels described herein may be utilized with other types of vehicles and structures.
  • the composite armor panel may form a portion of a tank or a wall of a structure, regardless of whether the structure is permanent or fixed.
  • the composite armor panel may form a portion of a non- military vehicle such as a fuel vessel of a tanker or hull.
  • the composite armor panels presented herein may be offered as either an OEM product or a retrofit.
  • FIG. 2A one embodiment of a portion of a Humvee door 40 having a composite armor panel 42 is depicted.
  • a layer of ceramic spheres 44 is positioned in contact with a substrate 46.
  • the layer of ceramic spheres 44 includes ceramic spheres, such as ceramic sphere 48.
  • a polymer layer 50 is interposed between the ceramic spheres that comprise the layer of ceramic spheres 44.
  • the polymer layer 50 partially encapsulates the layer of ceramic spheres 44 and bonds the layer of ceramic spheres 44 to the substrate 46.
  • the layer of ceramic spheres 44 is partially exposed.
  • ceramic sphere 48 includes an encapsulated surface 52 and an exposed surface 54.
  • the composite armor panel 42 comprises a single layer or array of ceramic spheres 44 and the ceramic spheres 44 are positioned in contact with each other to provide further support.
  • exterior ceramic sphere 48 is contact with four adjacent ceramic spheres and an interior ceramic sphere 56 is in contact with six adjacent ceramic spheres.
  • the ceramic spheres are positioned in repeating A and B rows wherein the A row is shifted with respect to the B row by approximately 1/2 the diameter of a ceramic sphere.
  • the layer of ceramic spheres 44 is oriented in the direction of anticipated impact as represented by arrow 58.
  • the layer of ceramic spheres 44 and the polymer layer 50 act in concert to asymmetrically deform the shape of the of the impacting projectile or fragment and absorb and dissipate the kinetic energy of the deformed impactant, thereby arresting the impactant and maintaining the safety and integrity of the troops and/or cargo being transported.
  • Figures 3A through 3C depict one embodiment of the manufacture of a composite armor panel 60 (figure 3C).
  • an armor substrate 62 is selected which may be steel, hardened metal, aluminum, HHS, or other material.
  • the armor substrate comprises a hardened steel or metal.
  • the armor substrate is between about 0.125" and about 0.4" thick.
  • plural component spray equipment 66 is utilized to dispose a polymer layer 64 onto the armor substrate 62.
  • the polymer layer may comprise polyurethanes, polyureas, or combinations of elastomeric materials incorporating urethanes, polyureas or hybrids thereof such as acrylics and methacrylates.
  • the polymer thermosets demonstrates medium to high elongation (e.g., 50% to 100%), a medium to high modulus, and high tensile strength.
  • the polymer is a polyurea.
  • polyurea elastomers may be derived from the reaction product of an isocyanate (A-side) component and an isocyanate-reactive or resin blend (B-side) component.
  • the polyurea elastomers may be derived from hybridized isocyanate/resin components.
  • the isocyanate may be aromatic or aliphatic in nature.
  • the isocyanate may be a monomer, a polymer, or any variant reaction of isocyanates, quasi-prepolymer or a prepolymer.
  • the prepolymer, or quasi-prepolymer may comprise an amine-terminated polymer resin, or a hydroxyl terminated polymer resin.
  • the resin blend utilized with the prepolymer or quasi-prepolymer may comprise amine-terminated polymer resins, and/or terminated chain extenders.
  • the resin blend may also contain additives, or non-primary components.
  • the additives may serve cosmetic functions, weight reduction functions, or provide fire-retardant characteristics.
  • these additives may contain hydroxyls, such as pre-dispersed pigments in a polyol carrier.
  • a polyurethane/polyurea hybrid elastomer may be utilized which is the reaction product of an isocyanate component and a resin blend component.
  • the isocyanate may be aromatic or aliphatic in nature. Further, the isocyanate may be a monomer, a polymer, or any variant reaction of isocyanates, quasi-prepolymers or prepolymers.
  • the prepolymer, or quasi-prepolymer may comprise an amine-terminated polymer resin, or a hydroxyl-terminated polymer resin.
  • the resin blend may comprise blends of amine-terminated and/or hydroxyl-terminated polymer resins, and/or amine-terminated and/or hydroxyl-terminated chain extenders. In one embodiment, the resin blend contains blends of amine-terminated and hydroxyl-terminated moieties.
  • the resin blend may also contain additives, non-primary components or catalysts.
  • a polyurethane elastomer may be utilized that is the reaction product of an isocyanate component and a resin blend component.
  • the polyurethane elastomer is the reaction product of hybridized isocyanate/resins.
  • the isocyanate component may be aromatic or aliphatic in nature.
  • the isocyanate component may be a monomer, polymer, or any variant reaction of isocyanates, quasi- prepolymer, or a prepolymer.
  • the prepolymer, or quasi-prepolymer may comprise hydroxyl- terminated polymer resins.
  • the resin blend may be made up of hydroxyl-terminated polymer resins, being diol, triol or multi-hydroxyl polyols, and/or aromatic or aliphatic hydroxyl- terminated chain extenders.
  • the resin blend may also contain additives, non-primary components, or catalysts.
  • the plural component spray equipment 66 includes a chamber 68 for holding a polyisocyanate prepolymer component 70.
  • a mixing element 72 agitates the polyisocyanate prepolymer component 70.
  • a flowline 74 connects the chamber 68 to a proportioner 76 which appropriately meters the polyisocyanate prepolymer component 70 to a heated flowline 78 which is heated by heater 80. The heated polyisocyanate prepolymer component 70 is fed to a mix head 82.
  • a chamber 88 holds an isocyanate-reactive component 90 and a mixing element 92 agitates the isocyanate-reactive component 92.
  • a flowline 94 connects the chamber 88 to the proportioner 76 which, in turn, is connected to a heated llowline 98 having a heater 100.
  • the heated isocyanate-reactive component 90 is provided to the mix head 82 where the polyisocyanate prepolymer component 70 and the isocyanate-reactive component 90 are sprayed as a mixed formulation 102 onto the armor substrate 62.
  • the formulation 102 then begins to cure as the polymer layer 64.
  • pressures between about 1,000 psi and about 3,000 psi and temperatures in a range of about 145°F to about 190 0 F (about 63 0 C to about 88 0 C) are utilized to impingement mix the two components.
  • the temperature may be as low as room temperature.
  • Suitable equipment includes GUSMER ® H-2000, GUSMER ® H-3500, and GUSMER ® H-20/35 type proportioning units fitted with either a GUSMER ® GX-7, a GUSMER ® GX-7400 series, or a GUSMER ® GX-8 impingement mix spray gun (all equipment available from Graco-Gusmer of Lakewood, NJ).
  • ceramic spheres 104 are potted in the polymer layer 64 prior to the polymer layer 64 completely curing.
  • the ceramic spheres 104 and the polymer layer 64 are coplanar.
  • the polymer layer 64 is interposed between the armor substrate 62 and the ceramic spheres 104 such that the armor substrate 62 and the ceramic spheres 104 are in a spaced relationship.
  • the ceramic spheres 104 are uniform and exhibit a high degree of symmetry.
  • the ceramic spheres 104 are oriented in the direction of anticipated impact.
  • Suitable ceramic materials include those having aluminum oxide (alumina or Al 2 O 3 ), boron carbide (B 4 C), boron nitride (BN), silicon carbide (SiC), silicon nitride (Si 3 N 4 ), and zirconium oxide (zirconia or ZrO 2 ), for example.
  • the ceramic spheres 104 are at least 90% alumina. Regardless of the ceramic material selected, a high hardness is preferable. A Vickers Hardness number of at least 15 is suitable and a Vickers Hardness number of at least 30 is more suitable.
  • Figures 4A through 4C depict another embodiment of the manufacture of a composite armor panel 110 (figure 4C). In figure 4A, an armor substrate 112 is prepared for a coating treatment.
  • the surface of the armor substrate 112 is sound, dry, clean, and free of surface imperfections such as holes, cracks, and voids. Additionally, the surface of the armor substrate 112 is free of contaminants such as oil, grease, dirt, and mildew, for example.
  • the armor substrate 112 may be pretreated with an acid wash and conditioner or penetrating bonding agent, for example, prior to the application of the polymer.
  • a layer of ceramic spheres 114 is arranged in a single layer or array on the armor substrate 112. In this embodiment, the layer of ceramic spheres 114 is in contact with the armor substrate 112.
  • plural component spray equipment 66 is utilized to encapsulate the layer of ceramic spheres 114 with a polymer layer 116 and bond the layer of ceramic spheres 114 to the armor substrate 112. As depicted, the ceramic spheres 114 and the polymer layer 116 are oriented in the direction of anticipated impact.
  • Figures 5A through 5C depict one embodiment of a composite armor panel 130 being impacted by a high-speed, high-caliber projectile 132.
  • the composite armor panel 130 includes an armor substrate 134 having a layer of ceramic spheres 136 potted thereto by a polymer 138.
  • Another polymer 140 partially encapsulates the ceramic spheres 136.
  • a combination of two or more polymers may be implemented for a variety of reasons.
  • the polymer 138 may be selected for its ability to bond or pot the ceramic spheres 136 to the armor substrate 134 and the polymer 140 may be selected for its setting properties and inherently high elastic modulus, which as will be discussed in figure 3C dissipates a great amount of kinetic energy.
  • the projectile 132 traveling to the composite armor panel 132 is a Fragment Simulating Projectile (FSP). It should be appreciated, however, that the projectile 132 may be a fragment from an Improvised Explosive Device (IED) or armor piercing around from a high-speed, large-caliber firearm, for example.
  • the projectile 132 contacts the composite armor panel 130. More specifically, the projectile 132 initially contacts ceramic sphere 142 which is one of the elements of layer 136. The ceramic sphere 142 introduces deformation into the projectile 132, thereby increasing the footprint of the projectile.
  • the footprint of the projectile 132 has increased and the projectile is contacting ceramic spheres 142 through 148.
  • the kinetic energy of the projectile 132 is dissipated at a much greater rate through the composite armor panel 130 in the directions indicated by arrows 150 and 152. Additionally, the inherent elastic modulus of the polymer layers 138 and 140 aids in dissipating the kinetic energy of the projectile 132.
  • the composite armor panel taught herein includes a substrate having a layer of ceramic spheres bonded thereto by a polymer layer.
  • the ceramic spheres may or may not be in contact with the substrate.
  • the polymer layer may or may not completely encapsulate the ceramic spheres.
  • an armor plate may be positioned in an opposing relationship with the armor substrate to add further protection.
  • the composite armor panels may be OEM offerings or retrofit panels that are bolted or otherwise secured to a preexisting surface.
  • FIG. 6 through 9 illustrate other embodiments of the present invention that depict various permutations of ceramic sphere placement, encapsulation, and armor plating. It should be understood, however, that other embodiments are within the teachings of the present invention too.
  • FIG. 6 depicts a further embodiment of a composite armor panel 160.
  • An armor substrate 162 has a layer ceramic spheres 164 bonded thereto by a polymer layer 166 which also completely encapsulates the layer of ceramic spheres 164.
  • the layer of ceramic spheres is spaced or offset from the armor substrate 162 by the polymer layer 166. Additionally, the layer of ceramic spheres 164 and the polymer layer 166 are oriented in the direction of anticipated impact.
  • Figure 7 depicts another embodiment of a composite armor panel 170 which includes a substrate and a layer of ceramic spheres 174 that are in contact with the armor substrate 172.
  • a polymer 176 pots the ceramic spheres 174 to the armor substrate 172 and a polymer 178, which may be a setting polymer, encapsulates the layer of ceramic spheres 174.
  • an armor plate 180 forms a part of the composite armor panel 170 and is secured to the polymer layer 178 in an opposing relationship with the armor substrate 172 by a polymer layer 182.
  • polymer layers 176, 178, and 182 may comprise the same polymer.
  • the armor plate 180 may be steel, hardened metal, aluminum, HHS, or other material. Additionally, the layer of armor plate 180 is oriented in the direction of anticipated impact.
  • Figure 8 depicts another embodiment of a composite armor panel 190 that has an armor substrate 192 and a layer of ceramic spheres 194 bonded thereto by a polymer layer 196.
  • the layer of ceramic spheres 194 are in contact with the armor substrate 192.
  • An armor plate 198 is in contact with the layer of ceramic spheres 194 and secured thereto by a polymer layer 200.
  • small air gaps are left around the layer of ceramic spheres 194 between the polymer layers 196 and 200.
  • Figure 9 depicts another embodiment of a composite armor panel 210 that has an armor substrate 212 and both a first layer of ceramic spheres 214 and a second layer of ceramic spheres 216.
  • a polymer layer 218 bonds the first layer of ceramic spheres 214 to the armor substrate 212 ' and the ' two layers of ceramic spheres 216 and 218 to each other.
  • the ceramic spheres may be arranged in a hexagonal-closed-pack arrangement.
  • FIG. 1OA depicts one embodiment of armor 230 for personal use which comprises a mesh 232 having composite armor panels 234, 236, and 238 embedded therein.
  • the mesh 232 comprises a light metal weave or high tensile strength fiber such as KEVLAR ® , for example.
  • the composite armor panels 234, 236, and 238 are spaced apart within the mesh 232, thereby creating articulated portions 240 and 242 therebetween. As indicated by arrow 244, each articulated portion affords the personal armor 230 flexibility and the ability to conform to the shape of the wearer, for example.
  • Figure 1 OB depicts a side cross-sectional view of the armor 230 presented in figure 1 OA in order to better illustrate the composite armor panels 234, 236, and 238 embedded within the mesh 232.
  • the structure of the composite armor panels 234, 236, and 238 will be described with reference to composite armor panel 234.
  • An armor substrate has ceramic spheres 248 and 250 mounted thereto by a polymer 252.
  • the composite armor panel 234 includes a small single layer array of ceramic spheres.
  • the array may range in size from 1 x 1 to 2 x 2.
  • the number of embedded composite armor panels and articulated portions are maximized to provide suitable flexibility.
  • minimizing the diameter of the ceramic spheres reduces the encumbrance of the armor and increases the wearability. Ceramic spheres having a diameter of less than approximately 1/4" are suitable for the personal use armor described herein.
  • Example 1 A 0.202" HHS armor substrate was selected and polyurea/polyurethane plural component coating (by way of example, such coatings are available from Speciality Products, Inc. of Lakewood, Washington) was applied at a thickness of approximately 0.5" with GUSMER ® spray equipment (available from Graco-Gusmer of Lakewood, NJ). Prior to the coating curing, 1 " diameter alumina spheres were potted in the polymer in contact with the 0.202" HHS armor substrate. The composite armor panel was then permitted to complete curing.
  • Example 2 - 11 The composite armor panels of Examples 2-11 were prepared substantially according to the procedures presented in Example I with the components noted in Table II. For purposes of comparison, the components of Example 1 are also presented in Table I.
  • Example 1 1 0.202" HHS 1/2" SiC Spheres SPI Polyurea
  • V-50 Ballistic Limit Testing Methodology Velocity-50% or V-50 ballistic limit testing is a statistical test developed by the United States Department of Defense that is often used as a design tool by manufacturers during the development and assessment of new armor designs.
  • the V-50 test identifies the theoretical velocity at which a specific projectile has a 50% probability of either penetrating or being stopped by an Armor Under Test (AUT).
  • AUT Armor Under Test
  • testers fire enough projectiles at the AUT at various velocities to obtain equal groups of non-penetrating and penetrating impacts within a predetermined velocity range which is typically less than 50 feet/second.
  • the V-50 ballistic limit is calculated as the average velocity of the projectiles.
  • the V-50 covers the identification, within statistical reason, of the velocity at which the AUT stops the projectile 50% of the time.
  • Table II depicts the V-50 test results for various AUTs using 20 mm 830 grain FSP rounds fired at approximately 50 meters from a smooth bore Mann barrel while varying the striking velocity.
  • Ballistic Penetration Testing is a pass/fail test that is used as a design tool by manufacturers during the development and assessment of new armor designs.
  • the ballistic penetration test assesses AUTs under sustained, high-speed, large-caliber fire.
  • Table III depicts the ballistic penetration results for various AUTs using 7.62 mm rounds fired from a Pulemyot Kalashnikov (PK) general-purpose, gas-operated, belt-fed, sustained fire machine gun. Four shots with less than a 4" spread were fired at 50 meters into the AUTs and ballistic penetration results were noted.
  • PK Pulemyot Kalashnikov
  • V-50 ballistic limit and ballistic penetration testing methodologies and results presented above demonstrate that the composite armor panel presented herein provides blast attenuation from fragments and ballistic mitigation from high-speed, high-caliber firearms.
  • the protection afforded by the composite armor panel exceeds the protection provided by 3/8" RHA as presented in the Department of Defense Specification MIL-A- 12560 which discusses armor plate, steel, wrought, homogeneous materials for use in combat-vehicles and for ammunition testing.
  • the composite armor panels described herein provide this level of protection without the weight and encumbrance associated with 3/8" RHA.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

L'invention concerne un panneau de blindage composite (60) et son procédé de fabrication. Dans un mode réalisation, une pluralité de sphères en céramique (104) sont mises en contact avec un substrat de blindage (62). Une couche de polyurée (64) est interposée entre la pluralité de sphères en céramique (104), de telle sorte que la couche de polyurée (64) encapsule partiellement la pluralité de sphères en céramique (104) et lie la pluralité de sphères en céramique (104) au substrat de blindage (62). La pluralité de sphères en céramique (104) sont partiellement exposées et orientées dans une direction d'impact anticipé.
PCT/US2006/029641 2006-07-26 2006-07-26 Panneau de blindage composite et son procédé de fabrication WO2008048218A2 (fr)

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PCT/US2006/029641 WO2008048218A2 (fr) 2006-07-26 2006-07-26 Panneau de blindage composite et son procédé de fabrication

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Application Number Priority Date Filing Date Title
PCT/US2006/029641 WO2008048218A2 (fr) 2006-07-26 2006-07-26 Panneau de blindage composite et son procédé de fabrication

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WO2008048218A3 WO2008048218A3 (fr) 2008-11-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011121445A1 (de) 2011-12-16 2013-06-20 Hans-Dieter Cornelius Schussresistente Panzerung
CN107990783A (zh) * 2017-12-01 2018-05-04 陈健美 一种球形体内置复合结构防弹装甲材料及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050072294A1 (en) * 2003-08-26 2005-04-07 Michael Cohen Composite armor plate
US20050235818A1 (en) * 2001-07-25 2005-10-27 Lucuta Petru G Ceramic components, ceramic component systems, and ceramic armour systems
US20060105183A1 (en) * 2004-11-17 2006-05-18 Bechtel Bwxt Idaho, Llc Coated armor system and process for making the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050235818A1 (en) * 2001-07-25 2005-10-27 Lucuta Petru G Ceramic components, ceramic component systems, and ceramic armour systems
US20050072294A1 (en) * 2003-08-26 2005-04-07 Michael Cohen Composite armor plate
US20060105183A1 (en) * 2004-11-17 2006-05-18 Bechtel Bwxt Idaho, Llc Coated armor system and process for making the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011121445A1 (de) 2011-12-16 2013-06-20 Hans-Dieter Cornelius Schussresistente Panzerung
CN107990783A (zh) * 2017-12-01 2018-05-04 陈健美 一种球形体内置复合结构防弹装甲材料及其制备方法

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