EP3250539B1 - Matériaux réactifs - Google Patents
Matériaux réactifs Download PDFInfo
- Publication number
- EP3250539B1 EP3250539B1 EP16702765.5A EP16702765A EP3250539B1 EP 3250539 B1 EP3250539 B1 EP 3250539B1 EP 16702765 A EP16702765 A EP 16702765A EP 3250539 B1 EP3250539 B1 EP 3250539B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- range
- present
- hafnium
- metals
- group
- 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
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- 239000000463 material Substances 0.000 title claims description 19
- 239000000203 mixture Substances 0.000 claims description 25
- 229910052735 hafnium Inorganic materials 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 21
- 150000002739 metals Chemical class 0.000 claims description 16
- 239000003153 chemical reaction reagent Substances 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 11
- 229920001973 fluoroelastomer Polymers 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000005275 alloying Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 description 11
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- ZOXJGFHDIHLPTG-BJUDXGSMSA-N Boron-10 Chemical compound [10B] ZOXJGFHDIHLPTG-BJUDXGSMSA-N 0.000 description 4
- 239000004429 Calibre Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- BLTXWCKMNMYXEA-UHFFFAOYSA-N 1,1,2-trifluoro-2-(trifluoromethoxy)ethene Chemical compound FC(F)=C(F)OC(F)(F)F BLTXWCKMNMYXEA-UHFFFAOYSA-N 0.000 description 1
- 229920002449 FKM Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
- C06B33/02—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide with an organic non-explosive or an organic non-thermic component
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B43/00—Compositions characterised by explosive or thermic constituents not provided for in groups C06B25/00 - C06B41/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
- F42B12/44—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information of incendiary type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
- F42B12/76—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B27/00—Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
Definitions
- the invention relates to high density reactive materials, preferably materials with a high density and exothermic output.
- High Density reactive materials are a new emerging class of materials http://en.wikipedia.org/wiki/Reactive_materials, which have higher densities than conventional reactive materials such that they may provide enhanced performance with mechanical properties suitable for application in a broad range of weapon systems. This includes potential for effective transfer of Kinetic Energy in impact penetrators, fragments and other systems, whilst offering an additional advantage of providing a further exothermic output under explosive loading or following High Velocity impact.
- US2003/0070540 is directed to a projectile shell having a core region which contains a reactive composition comprised of a reactive metal and an oxidizer.
- US 4 381 692 A discloses high-density reactive material for use in a munition.
- US 2005/199323 A1 discloses high-density reactive material comprising hafnium.
- EP 0 051 324 A1 is directed to metallic fuel/incendiary compositions.
- US 4 131 498 A is directed to incendiary compositions Zr or Hf with a binder.
- EP 1 348 683 A2 is directed to extrudable high density reactive materials based on metal and metal oxides.
- EP 1 286 129 A1 is directed to an incendiary composition comprising titanium sponge in an epoxide resin or a polyester resin.
- WO 2007/086830 is directed to nano powders, particularly metal and metal oxides.
- US 3 956 038 A is directed to pyrotechnic compositions in a polymer binder
- a high density reactive material composition comprising,
- the reagent B) is selected from alloying elements carbon or boron.
- the boron may be present in an amount 5 to 20%wt, preferably 10%wt.
- the reagent A) group 4 metals are group 4, d-block (transition metals) such as titanium, zirconium, and hafnium. These metals offer high densities, and the specific selection of two different group 4 options offers a chance to target specific density ranges for the final composition whilst retaining similar reactivity.
- At least one of the group 4 metals is hafnium.
- the hafnium is present in the range of from 15 to 30%wt.
- the group 4 metals may offer a range of morphologies - comprising nano, sub micron, or micron sized particulates.
- the at least two group 4 metals may be selected to maximise mixing capability to promote uniformity of distribution (these may be substantially the same size, or targeted different size ranges to achieve a specific multimodal distribution, such as a bimodal distribution.
- the reagent B may be selected from nano, sub micron, or micron sized particulates, such that upon intimate mixing with group 4 metals, may support/provide a homogenous mixture.
- the particulate size of the group 4 metals and reagent B materials may be selected to provide multimodal distributions.
- the reagent C) binder is at least one fluoroelastomer binder.
- the fluoroelastomer binder may be selected from a range of materials such as for example hexafluoropropylene, vinylidene fluoride, terpolymers of tetrafluoroethylene, vinylidene fluoride and hexafluoropropylene (HFP), perfluoromethylvinylether, THV 220, and PTFE, preferably a Viton, more preferably Viton A.
- the reagent C) binder may preferably be present in the in the range of from 3 to 7%wt, preferably 5%wt.
- a munition comprising a portion of the consolidated composition as defined herein.
- the portion of the munition may comprise all, substantially all or part of a munition.
- the munition may such as for example be a direct fire or indirect fire munition.
- the munition may be kinetic energy or chemical energy munition or a combination thereof, such as, for example a projectile, shell, casing, shaped charge liner, preformed fragments or mortar.
- the munition may be a kinetic energy projectile such as for example, such as a round, from a small calibre ordnance, a medium calibre projectile such as, for example calibres of 30- 40mm and above, penetrator rods or flechettes.
- the projectile may comprise or contain only a monolithic projectile of consolidated composition as defined herein.
- Certain medium calibre projectiles typically comprise a high explosive, the use of a projectile (small or medium calibre) comprising or containing only a consolidated composition according to the invention may provide an insensitive munition.
- the munition may be a gun launched shell, such as for example, 105mm or 155mm, wherein part, substantially all or all of the shell casing is a composition as defined herein.
- the composition may be prepared to form pre formed fragments which are further consolidated to form a shell casing.
- a munition subjected to a high set back force such as a gun launched munition, preferably there is a higher percentage weight of fluoroelastomer binder.
- the munition may comprise at least one layer deposed thereon of the composition as defined herein.
- the casing of the munition may be subjected to prompt break up, ignition and burn to enhance blast effectiveness.
- the particulates of the composition may not be consolidated and may be available as agglomerates/clumps, and may be ignited as such, and undergo ignition and continue to burn in flight. This may offer enhancement to blast and after burn or Kinetic Energy transfer to targets at range.
- composition either solid or agglomerates may be ejected, or projected , in such a manner to retain physical form/mass and associated Kinetic Energy allowing reaction on impact with targets at a specific thresh-hold impact velocity causing shock reaction and ignition of the material on the surface or within the target structure.
- a method of preparing a high density reactive material as defined herein such as for example, dead load pressing, isostatic pressing, hot sintering, to provide a composition which may be consolidated to form a structural casing or projectile.
- Table 1 provides a number of examples where the composition comprises a group 4 metal present in the range of from 45 to 95%wt.
- the materials are sintered, preferably using both elevated temperatures and pressure with the a binder and optional pressing aids to facilitate consolidation.
- Table 2 # compounds no longer form part of the invention Reagent A Reagent B Reagent C Reagent A Overall Ref Name Wt % Name Wt % Name Wt % Name Wt % Effective Density by Wt fraction #1a Zirconium 25% CuO 50% Viton A 5% Hafnium 20% 6.27 21a Titanum 35% Boron 10% Viton A 5% Hafnium 50% 5.46 23a Hafnium 51% Boron 10% Viton A 5% Zirconium 34% 6.28 #25a Titanium 25% CuO 45% Viton A 5% Hafnium 25% 5.79 #26a Hafnium 20% CuO 45% Viton A 5% Zirconium 30% 6.28
- Table 2 above provides preferred examples of compositions, wherein at least two different group 4 metals are selected.
- the group 4 metals may be encapsulated or a passivation layer, or sacrificial layer to prevent reaction with air, moisture or unwanted reactions with the other reagents, until activated in the designed mode of use.
- the group 4 metals may be encapsulated with at least one inert material, to prevent reaction with moisture or air.
- the group 4 metal is premixed with reagent C) a fluoroelastomer binder. The coating/microencapsulation of the group 4 metal may prevent combustion in air during the sintering process.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Powder Metallurgy (AREA)
Claims (6)
- Composition de matériau réactif à haute densité comprenant,A) au moins deux métaux de groupe 4 séparés, présents dans la plage allant de 40 à 90 % en poids, dans laquelle au moins l'un des métaux du groupe 4 est du hafnium, dans laquelle l'hafnium est présent dans la plage de 15 % à 51 %.B) au moins un élément d'alliage, choisi parmi le bore ou le carbone présent dans la plage allant de 5 à 55 % en poids.C) dans laquelle les au moins deux métaux du groupe 4 sont encapsulés par un liant fluoroélastomère, présent dans la plage de 1 à 10 % en poids.
dans laquelle lesdits réactifs et auxiliaires de pressage facultatifs sont présents dans sensiblement 100 % en poids. - Composition selon la revendication 1, dans laquelle le hafnium de carbone est présent dans la plage de 15 à 30 % en poids.
- Composition selon la revendication 1 ou 2, dans laquelle ledit liant fluoroélastomère est présent dans la plage allant de 3 à 7 % en poids.
- Composition de matériau réactif à haute densité selon l'une quelconque des revendications précédentes, dans laquelle ladite composition consolidée comprend une masse volumique efficace en fraction pondérale supérieure à 5,40.
- Munition comprenant une partie de la composition consolidée selon l'une quelconque des revendications précédentes.
- Munition selon la revendication 5, dans laquelle la partie comprend tous, sensiblement tout ou partie d'un projectile, une coque, un boîtier, un revêtement de charge façonné, des fragments naturels, forcée ou préformés ou un mortier.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1501336.0A GB2534573A (en) | 2015-01-27 | 2015-01-27 | Reactive materials |
PCT/GB2016/050161 WO2016120605A1 (fr) | 2015-01-27 | 2016-01-26 | Matériaux réactifs |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3250539A1 EP3250539A1 (fr) | 2017-12-06 |
EP3250539B1 true EP3250539B1 (fr) | 2024-04-17 |
Family
ID=52673995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16702765.5A Active EP3250539B1 (fr) | 2015-01-27 | 2016-01-26 | Matériaux réactifs |
Country Status (6)
Country | Link |
---|---|
US (1) | US20170355647A1 (fr) |
EP (1) | EP3250539B1 (fr) |
AU (1) | AU2016211060B2 (fr) |
CA (1) | CA2974264A1 (fr) |
GB (1) | GB2534573A (fr) |
WO (1) | WO2016120605A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10738074B2 (en) | 2015-08-13 | 2020-08-11 | Merck Sharp & Dohme Corp. | Cyclic di-nucleotide compounds as STING agonists |
US11453697B1 (en) | 2015-08-13 | 2022-09-27 | Merck Sharp & Dohme Llc | Cyclic di-nucleotide compounds as sting agonists |
US10422613B2 (en) * | 2016-12-01 | 2019-09-24 | Battelle Memorial Institute | Illuminants and illumination devices |
US11466047B2 (en) | 2017-05-12 | 2022-10-11 | Merck Sharp & Dohme Llc | Cyclic di-nucleotide compounds as sting agonists |
WO2019125974A1 (fr) | 2017-12-20 | 2019-06-27 | Merck Sharp & Dohme Corp. | Composés dinucléotidiques cycliques utilisés comme agonistes sting |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2309493A1 (fr) * | 1973-03-15 | 1976-11-26 | France Etat | Substances pyrotechniques pulverulentes ameliorees et leur procede d'obtention |
US4381692A (en) * | 1977-05-11 | 1983-05-03 | Quantic Industries, Inc. | Method of making an incendiary munition |
US4131498A (en) * | 1978-01-25 | 1978-12-26 | Teledyne Industries, Inc. | Metallic sponge incendiary compositions |
EP0051324B1 (fr) * | 1980-10-31 | 1984-06-13 | Werkzeugmaschinenfabrik Oerlikon-Bührle AG | Masse incendiaire comprenant un combustible métallique du groupe IVA du système périodique |
US6010580A (en) * | 1997-09-24 | 2000-01-04 | California Institute Of Technology | Composite penetrator |
US7977420B2 (en) * | 2000-02-23 | 2011-07-12 | Alliant Techsystems Inc. | Reactive material compositions, shot shells including reactive materials, and a method of producing same |
US20050199323A1 (en) * | 2004-03-15 | 2005-09-15 | Nielson Daniel B. | Reactive material enhanced munition compositions and projectiles containing same |
US6962634B2 (en) * | 2002-03-28 | 2005-11-08 | Alliant Techsystems Inc. | Low temperature, extrudable, high density reactive materials |
US6691622B2 (en) * | 2000-03-21 | 2004-02-17 | General Sciences, Inc. | Reactive projectiles, delivery devices therefor, and methods for their use in the destruction of unexploded ordnance |
DE10140600A1 (de) * | 2001-08-18 | 2003-03-06 | Rheinmetall W & M Gmbh | Brandsatz für ein flügelstabilisiertes Wuchtgeschoß |
FR2867469A1 (fr) * | 2004-03-15 | 2005-09-16 | Alliant Techsystems Inc | Compositions reactives contenant un metal, et leur procede de production |
US8857342B2 (en) * | 2005-01-10 | 2014-10-14 | Ncc Nano, Llc | NANO-enhanced kinetic energy particles |
US8092623B1 (en) * | 2006-01-31 | 2012-01-10 | The United States Of America As Represented By The Secretary Of The Navy | Igniter composition, and related methods and devices |
DE102010053694A1 (de) * | 2010-12-08 | 2012-06-14 | Diehl Bgt Defence Gmbh & Co. Kg | Pyrotechnische Scheinzielwirkmasse für Infrarotscheinziele |
-
2015
- 2015-01-27 GB GB1501336.0A patent/GB2534573A/en not_active Withdrawn
-
2016
- 2016-01-26 EP EP16702765.5A patent/EP3250539B1/fr active Active
- 2016-01-26 CA CA2974264A patent/CA2974264A1/fr not_active Abandoned
- 2016-01-26 AU AU2016211060A patent/AU2016211060B2/en active Active
- 2016-01-26 US US15/545,570 patent/US20170355647A1/en not_active Abandoned
- 2016-01-26 WO PCT/GB2016/050161 patent/WO2016120605A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
GB2534573A (en) | 2016-08-03 |
GB201501336D0 (en) | 2015-03-11 |
CA2974264A1 (fr) | 2016-08-04 |
US20170355647A1 (en) | 2017-12-14 |
WO2016120605A1 (fr) | 2016-08-04 |
EP3250539A1 (fr) | 2017-12-06 |
AU2016211060B2 (en) | 2019-08-22 |
AU2016211060A1 (en) | 2017-08-03 |
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