EP3338050B1 - Geschoss umfassend einen verbundwerkstoffund herstellverfahren für solche geschosse - Google Patents

Geschoss umfassend einen verbundwerkstoffund herstellverfahren für solche geschosse Download PDF

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Publication number
EP3338050B1
EP3338050B1 EP16756661.1A EP16756661A EP3338050B1 EP 3338050 B1 EP3338050 B1 EP 3338050B1 EP 16756661 A EP16756661 A EP 16756661A EP 3338050 B1 EP3338050 B1 EP 3338050B1
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EP
European Patent Office
Prior art keywords
projectile
metal powder
composite material
tip
polymer matrix
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
EP16756661.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3338050A1 (de
Inventor
Michael MUSTER
Markus Bucher
Franck JAUZION- GRAVEROLLE
Daniel STRÄHL
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.)
RUAG Ammotec AG
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RUAG Ammotec AG
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Publication date
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Priority to EP20182934.8A priority Critical patent/EP3736524B1/de
Publication of EP3338050A1 publication Critical patent/EP3338050A1/de
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Publication of EP3338050B1 publication Critical patent/EP3338050B1/de
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Classifications

    • 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
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/001—Devices or processes for assembling ammunition, cartridges or cartridge elements from parts

Definitions

  • the subject matter of the invention is a projectile, in particular an Armor Piercing Incendiary (API) bullet or an Incendiary bullet, comprising a composite material, in particular the bullet tip consisting of the composite material, and a corresponding manufacturing method.
  • a projectile in particular an Armor Piercing Incendiary (API) bullet or an Incendiary bullet, comprising a composite material, in particular the bullet tip consisting of the composite material, and a corresponding manufacturing method.
  • API bullets have been part of the prior art for a long time and are used, for example, in US 1380773A described. They are used to mark hits with light and to set fire to flammable objects. So when a projectile hits, it's supposed to emit a flash of light.
  • FAP Frangible Armor Piercing
  • ammunition that has a multi-part structure that consists in particular but not exclusively of metal powder. This metal powder (titanium or zirconium) is embedded in epoxy resin to form a combustible part that emits a bright light on impact (such as in US5299501A ).
  • Pyrotechnic systems are widespread with larger calibers (military medium caliber). They contain a pyrotechnic charge which is initiated upon impact and emits a bright light. These pyrotechnic compositions usually consist of a proportion of magnesium or aluminum and a proportion of oxygen suppliers in solid form (see, for example, the US 3028808A ).
  • objects that are easy to ignite can also be intentionally set on fire.
  • Multi-purpose projectiles are also part of the pyrotechnic systems, but in addition to glowing pyrotechnics, they also have a set that explodes. This achieves a combination of target point marking, incendiary device, shrapnel production and penetration effect.
  • this type of projectile has the major disadvantage that the required multi-layer structure is also associated with relatively high production costs ( US2564870A ).
  • API bullets in the small caliber range are usually made up of three parts.
  • the shoe preferably consists of a turned part made of a brass alloy. This shoe is in contact with the barrel. A high level of ductility is therefore required here. The shoe must not damage the steel barrel.
  • a hard core is inserted in the center of a preferably configured projectile. This consists of a steel or tungsten alloy. The purpose of the hard core is to ensure penetration.
  • the incendiary portion of these bullets is provided by the titanium tip.
  • the titanium tip is usually made of solid material and often has a relatively complex structure, as it is located at the tip and should still provide enough space for the long hard core.
  • the construction in solid titanium is questionable in terms of market economy, since the material properties of the relatively expensive pure titanium are not exploited in any way. Neither the ductility nor the low density are decisive for the Incendiary Effect.
  • the excellent corrosion resistance is also of secondary importance. Because of the sometimes complicated inner geometry, the volume that has to be removed by machining is relatively large. The reason for using the material is its flammability.
  • the object of the present invention was therefore to find a material that is less expensive and to find a method that saves more material.
  • the starting material consists of a sludge-like structure that can easily be processed into powder. This is also the reason why the powders (precursor material) of the respective materials are comparatively inexpensive.
  • it is therefore particularly optimal to use a method in which the tips of the projectiles are manufactured in such a way that powder material can be used. This significantly reduces waste, although contours can still be complex.
  • the matrix of the composite material can be used to permanently connect the sections of bullet shoe and core. In order to keep the bullet as cheap as possible, the tip should be available directly in the previously defined and desired color without the need for an additional coloring process.
  • the invention is a projectile according to claim 1 and a method according to claim 8.
  • the unfavorable use of material is solved by embedding a metal powder, preferably titanium or magnesium powder, in a polymer matrix.
  • a metal powder preferably titanium or magnesium powder
  • the polymer composite can be shaped by transfer molding or other suitable shaping methods.
  • a thermoplastic is used as the matrix polymer.
  • the metal powder fulfills the function of the incendiary charge, the matrix serves as a carrier and at the same time as fastening material for the other two parts (hard core and projectile shoe).
  • a connection between the main projectile and the polymer composite material is also conceivable, but this is only possible for the Incendiary variant.
  • the polymer-metal composite consists of at least 50 percent by volume of a metal powder.
  • the metal powder is selected from the group
  • the metal powder preferably consists of titanium or magnesium.
  • the polymer matrix preferably consists of a thermoplastic industrial plastic, for example polyetheretherketone (PEEK) or another industrial plastic. PEEK is particularly suitable for the application due to the wide temperature range in which the product can be used.
  • the tip of the bullet is injected directly onto the bullet shoe and the hard core.
  • the bullet core and the bullet shoe can be provided with a rough surface, notches or radial grooves.
  • the precursor piece, consisting of the bullet shoe with the core located therein can be inserted into the injection molding tool and cast around from the tip.
  • several work steps can be simplified or saved, for example pressing in with a press fit to obtain the precursor piece is no longer necessary.
  • the tip of the bullet also no longer needs to be attached, and the injection molding of the tip of the bullet makes an additional seal obsolete.
  • a modular design can be envisaged.
  • the individually produced polymer composite bullet tip can be attached to the precursor with a snap lock, a bayonet lock or a press lock. This creates a decentralized production possible.
  • An embodiment with a projectile tip configuration that can be modified shortly before use is also possible as a result.
  • the functional principle for the light flash is explained as follows. Due to the short-term dynamic impact of the tip, the plastic is prone to brittle fracture, so that the plastic-metal bond breaks like a ceramic.
  • the metal powder particles are released in the process. Due to the impact friction, the particles are additionally heated and ignite, e.g. B. with magnesium itself after a very short time.
  • the titanium requires more energy until the self-ignition temperature is reached, which is why the fire pattern changes, but ignition on impact is still possible.
  • a desired effect can therefore be achieved, for example flame coloring through the addition of other elements is conceivable.
  • the alkali metals and alkaline earth metals which often have a characteristic flame coloration, are particularly suitable for this purpose. Additions of potassium, sodium, barium, calcium, lithium, boron and strontium are particularly suitable.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Toys (AREA)
EP16756661.1A 2015-08-17 2016-08-17 Geschoss umfassend einen verbundwerkstoffund herstellverfahren für solche geschosse Active EP3338050B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20182934.8A EP3736524B1 (de) 2015-08-17 2016-08-17 Api-projektil und entsprechendes herstellverfahren

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15181275 2015-08-17
PCT/EP2016/069462 WO2017029303A1 (de) 2015-08-17 2016-08-17 Verbundwerkstoff und entsprechendes herstellverfahren für geschosse

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20182934.8A Division EP3736524B1 (de) 2015-08-17 2016-08-17 Api-projektil und entsprechendes herstellverfahren
EP20182934.8A Division-Into EP3736524B1 (de) 2015-08-17 2016-08-17 Api-projektil und entsprechendes herstellverfahren

Publications (2)

Publication Number Publication Date
EP3338050A1 EP3338050A1 (de) 2018-06-27
EP3338050B1 true EP3338050B1 (de) 2023-07-26

Family

ID=54056072

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16756661.1A Active EP3338050B1 (de) 2015-08-17 2016-08-17 Geschoss umfassend einen verbundwerkstoffund herstellverfahren für solche geschosse
EP20182934.8A Active EP3736524B1 (de) 2015-08-17 2016-08-17 Api-projektil und entsprechendes herstellverfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20182934.8A Active EP3736524B1 (de) 2015-08-17 2016-08-17 Api-projektil und entsprechendes herstellverfahren

Country Status (5)

Country Link
EP (2) EP3338050B1 (hu)
FI (1) FI3338050T3 (hu)
HU (1) HUE063852T2 (hu)
PL (1) PL3338050T3 (hu)
WO (1) WO2017029303A1 (hu)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4163584A1 (de) * 2021-10-05 2023-04-12 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Verfahren zur nachbearbeitung einer basiskomponente und bauteil mit einer derart nachbearbeiteten basiskomponente

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100736A (en) * 1991-02-19 1992-03-31 The United States Of America As Represented By The Secretary Of The Navy Polymer-reinforced metal matrix composite
US20120167793A1 (en) * 2000-02-23 2012-07-05 Alliant Techsystems Inc. Reactive material enhanced projectiles and related methods
US20120308426A1 (en) * 2011-05-08 2012-12-06 Martin Gerardo Perez Frangible projectile and method for making same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1380773A (en) 1918-11-20 1921-06-07 Wallace L Clay Armor-piercing, spotlight, and incendiary bullet
LU28388A1 (hu) 1947-04-02
US3028808A (en) 1958-01-09 1962-04-10 Samuel J Porter Armor piercing incendiary projectile
GB1038702A (en) * 1964-02-06 1966-08-10 Ici Ltd Plastic tip projectile
US4112846A (en) 1965-06-11 1978-09-12 Martin Marietta Aluminum Inc. Armor-piercing incendiary projectile
US3865035A (en) * 1969-01-16 1975-02-11 Thiokol Chemical Corp Multi-use munition
US3830671A (en) * 1972-11-30 1974-08-20 American Metal Climax Inc Thermally ignitable zirconium-plastic composition
US4381692A (en) * 1977-05-11 1983-05-03 Quantic Industries, Inc. Method of making an incendiary munition
US5198616A (en) 1990-09-28 1993-03-30 Bei Electronics, Inc. Frangible armor piercing incendiary projectile
US6962634B2 (en) * 2002-03-28 2005-11-08 Alliant Techsystems Inc. Low temperature, extrudable, high density reactive materials
DE102009041366A1 (de) * 2009-09-11 2011-05-26 Diehl Bgt Defence Gmbh & Co. Kg Flugkörper mit einem pyrotechnischen Satz

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100736A (en) * 1991-02-19 1992-03-31 The United States Of America As Represented By The Secretary Of The Navy Polymer-reinforced metal matrix composite
US20120167793A1 (en) * 2000-02-23 2012-07-05 Alliant Techsystems Inc. Reactive material enhanced projectiles and related methods
US20120308426A1 (en) * 2011-05-08 2012-12-06 Martin Gerardo Perez Frangible projectile and method for making same

Also Published As

Publication number Publication date
WO2017029303A1 (de) 2017-02-23
EP3736524B1 (de) 2023-12-20
FI3338050T3 (fi) 2023-10-19
HUE063852T2 (hu) 2024-02-28
EP3338050A1 (de) 2018-06-27
EP3736524C0 (de) 2023-12-20
PL3338050T3 (pl) 2024-03-25
EP3736524A1 (de) 2020-11-11

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