EP1321535A2 - Matériau de haute protection ballistique - Google Patents

Matériau de haute protection ballistique Download PDF

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Publication number
EP1321535A2
EP1321535A2 EP02450278A EP02450278A EP1321535A2 EP 1321535 A2 EP1321535 A2 EP 1321535A2 EP 02450278 A EP02450278 A EP 02450278A EP 02450278 A EP02450278 A EP 02450278A EP 1321535 A2 EP1321535 A2 EP 1321535A2
Authority
EP
European Patent Office
Prior art keywords
weight
alloy
carbon
molybdenum
high ballistic
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.)
Granted
Application number
EP02450278A
Other languages
German (de)
English (en)
Other versions
EP1321535A3 (fr
EP1321535B1 (fr
Inventor
Horst Saiger
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.)
Voestalpine Boehler Bleche GmbH
Original Assignee
Voestalpine Boehler Bleche GmbH
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
Priority claimed from AT19922001A external-priority patent/AT411267B/de
Priority claimed from AT19912001A external-priority patent/AT411268B/de
Application filed by Voestalpine Boehler Bleche GmbH filed Critical Voestalpine Boehler Bleche GmbH
Priority to AT02450278T priority Critical patent/ATE291647T1/de
Publication of EP1321535A2 publication Critical patent/EP1321535A2/fr
Publication of EP1321535A3 publication Critical patent/EP1321535A3/fr
Application granted granted Critical
Publication of EP1321535B1 publication Critical patent/EP1321535B1/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
    • F41H5/0442—Layered armour containing metal
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten

Definitions

  • the invention relates to the use of steel alloys known per se as Material for products with high ballistic protection.
  • a ballistic protective effect of objects is generally characterized by its security against a breakthrough of projectiles and splinters at high energy Weapon impact, with increasing protection and at the same time a reduced weight of the object or part with improved Economics of deployment are required.
  • EP-A-180805 discloses a steel helmet made from a low alloyed boron steel, the steel helmet being sandblasted after tempering.
  • an armored sheet with a tempering structure which has a yield strength of> 1100 N / mm 2 and a hardness of> 400 HB and with a carbon content in% by weight of 0.15 to 0.2 im Essentially 1 to 2 wt% chromium (Cr), 0.2 to 0.7 wt% molybdenum (Mo), 1.0 to 2.5 wt% nickel (Ni), 0.05 to 0 , 25 wt .-% vanadium (V), balance iron (Fe).
  • EP-A-580062 A process for the production of thick armor plates is known from EP-A-580062 became known in which the above, increased in carbon and nickel content Alloy in slab form initially heated to a temperature of over 1150 ° C, Allow to cool increasingly and in the range from 1050 to 900 ° C with high temperatures Degree of deformation is rolled to the final thickness.
  • EP-B-731332 is a steel armor plate with improved penetration resistance to projectiles, which contain a large number of inclusions, which Oriented essentially parallel to the plate surface and in a quarter up to three Quarter of the plate thickness are concentrated.
  • Between the Base material and the pad is an intermediate layer made of pure nickel or Pure iron with a thickness between 0.1 and 15% of the total sheet thickness arranged by roll cladding with the base material and the support connected is.
  • the liner not only facilitates plating the Base material, but also prevents the support material from flaking off, which can be tempered to a hardness of 55 to 60 HRC, but is therefore evident has low toughness.
  • the invention wants to create downhill and has the goal of materials indicate from which products with a high ballistic protective effect low weight, can be produced economically in a simple manner.
  • This Products or parts are said to have a high bullet or flight part breaking effect possess, consist of an iron-based alloy, through a heat treatment adjustable toughness and strength properties have, with both characteristics maximized.
  • Materials Technical a composite production or a multi-layer part production and a Surface hardening is possible and there is weldability.
  • C Carbon
  • Si Silicon
  • Mo Manganese
  • Mo Molybdenum
  • V Vanadium
  • the technology of manufacturing also relies on a ballistic Protective effect from parts made from it.
  • the manufacturing technology Measures as set out in claim 3 can be individually and in Combination improving the ballistic protection through parts manufactured in this way affect, because it promotes in particular the isotropy of the material. Remuneration can lead to higher strength values with improved Material toughness take place, whereby the product is significantly increased Resists projectile breakdown.
  • Fig. 1 shows the percentage of shots held Depends on the sheet thickness.
  • a sheet made of Cr-Mo-V steel, which was treated by ladle metallurgy and was vacuum-degassed, with a composition in% by weight of 0.45 carbon (C), 0.62 silicon (Si), 0.64 manganese (Mn) , 0.016 phosphorus (P), 0.007 sulfur (S), 3.35 chromium (Cr), 1.62 molybdenum (Mo), 0.32 vanadium (V) was rolled from a slab to a thickness of 7.5 mm. Samples were made from the sheet, the same was tempered and tested with different technologies. Table 1 shows the remuneration parameters and the mechanical values achieved. Sample No. Härtetemp.
  • Shot test from the sheet metal according to the invention held by about 60% more shots.
  • Fig. 1 the percentage of shots held is dependent on the Sheet thickness shown. From a sheet thickness of 6 mm upwards it is the same energetic conditions of shelling the percentage of shots held from an inventive and one from a martensitic steel manufactured sheet metal practically the same. With regard to economy, it must be determined that that the material according to the invention has an alloy content of approx. 6%, that of the martensitic steel (comparison material) has 41.5% and thus has significantly higher costs.
  • the alloy one or more elements of which have (have) the concentration (s) in% by weight: Carbon (C) 0.3 to 0.54, preferably 0.41 to 0.49 Silicon (Si) 0.11 to 0.39 Manganese (Mn) 0.18 to 0.49, preferably 0.25 to 0.38 Chrome (Cr) 1.15 to 1.4 Nickel (Ni) 2.9 to 4.9, preferably 2.56 to 3.9
  • Manganese (Mn) 0.18 to 0.49 preferably 0.25 to 0.38 Chrome (Cr) 1.15 to 1.4 Nickel (Ni) 2.9 to 4.9, preferably 2.56 to 3.9
  • Cr Chrome
  • Ni Nickel
  • the advantageous material properties achieved according to the invention are increasingly pronounced in the case of bombardment if the parts are tempered to higher strength values of over 1900 N / mm 2 . This is also due to the fact that a narrower range of the concentration of a respective alloy element in interaction with the other constituents of the alloy has a favorable influence on the conversion and the formation of the structure of the material in the thermal treatment, whereby the hardness acceptance and the tempering behavior are improved and such extensive isotropy with low residual stresses.
  • a sheet made of ladle-treated steel with a composition in% by weight of 0.52 carbon (C), 0.12 silicon (Si), 0.22 manganese (Mn), 0.014 phosphorus (P), 0.003 sulfur ( S), 1.42 chromium (Cr), 0.11 molybdenum (Mo), 0.09 tungsten (W), 0.004 (As + Sb + Bi + Sn + Zn + B), which was then remelted electroslag, with a thickness of 7.5 mm and tempered to a hardness of 57 HRC, at a hardness temperature of 880 ° C and air cooling after tempering at 200 ° C, the material had a yield strength of Rm 2265 N / mm 2 with a notched bar impact work of on average 202 J. In the shelling test compared to tempered carbon steel under otherwise identical conditions, a 68.7% higher number of shots was recorded.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Heat Treatment Of Steel (AREA)
  • Laminated Bodies (AREA)
  • Powder Metallurgy (AREA)
EP02450278A 2001-12-19 2002-12-09 Matériau de haute protection ballistique Expired - Lifetime EP1321535B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT02450278T ATE291647T1 (de) 2001-12-19 2002-12-09 Wekstoff mit hoher ballistischer schutzwirkung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT199201 2001-12-19
AT19922001A AT411267B (de) 2001-12-19 2001-12-19 Werkstoff mit hoher ballistischer schutzwirkung
AT199101 2001-12-19
AT19912001A AT411268B (de) 2001-12-19 2001-12-19 Werkstoff mit hoher ballistischer schutzwirkung

Publications (3)

Publication Number Publication Date
EP1321535A2 true EP1321535A2 (fr) 2003-06-25
EP1321535A3 EP1321535A3 (fr) 2003-08-13
EP1321535B1 EP1321535B1 (fr) 2005-03-23

Family

ID=25608562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02450278A Expired - Lifetime EP1321535B1 (fr) 2001-12-19 2002-12-09 Matériau de haute protection ballistique

Country Status (6)

Country Link
US (2) US20040031353A1 (fr)
EP (1) EP1321535B1 (fr)
BR (1) BR0205411A (fr)
CA (1) CA2414305C (fr)
DE (1) DE50202536D1 (fr)
ES (1) ES2238556T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007039993A1 (de) * 2007-08-23 2009-02-26 Edag Gmbh & Co. Kgaa Strukturteil für eine Fahrzeug-Panzerung
DE102008014914A1 (de) * 2007-08-23 2009-09-24 Edag Gmbh & Co. Kgaa Strukturteil für eine Fahrzeug-Panzerung
EP3754290B1 (fr) 2019-06-17 2022-05-11 Benteler Automobiltechnik GmbH Procédé de fabrication d'un composant de blindage pour véhicules automobiles

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100005556A1 (en) * 2008-07-11 2010-01-14 Pittman David L Vacuum sealed protective cover for ballistic panel
DE102008052632A1 (de) * 2008-10-22 2010-05-27 Benteler Automobiltechnik Gmbh Sicherungsschrank
JP5672255B2 (ja) 2012-02-21 2015-02-18 新日鐵住金株式会社 鍛鋼ロールの製造方法

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB577133A (en) * 1940-04-12 1946-05-07 William Herbert Hatfield A process for improving the properties of iron alloy castings
GB908201A (en) * 1959-10-13 1962-10-17 Deutsche Edelstahlwerke Ag Steel helmets and articles required to have strength and toughness at sub-zero temperatures
FR2106939A5 (en) * 1970-09-30 1972-05-05 Creusot Forges Ateliers Weldable clad steel sheet - for armour plate
US3694174A (en) * 1971-05-13 1972-09-26 Us Army Dual property steel armor
US4484959A (en) * 1981-07-17 1984-11-27 Creusot-Loire Process for the production of a composite metal part and products thus obtained
US4645720A (en) * 1983-11-05 1987-02-24 Thyssen Stahl Ag Armour-plate and process for its manufacture
EP0247020A1 (fr) * 1986-04-23 1987-11-25 VOEST-ALPINE STAHL LINZ Gesellschaft m.b.H. Plaque de blindage
FR2619577A1 (fr) * 1987-08-17 1989-02-24 Aubert & Duval Acieries Composition d'acier au silicium-chrome-molybdene-vanadium et son application aux noyaux perforants de projectiles anti-blindages
GB2233259A (en) * 1979-05-30 1991-01-09 Thyssen Ind A G Maschinenbau Armoured wall consisting of multi-layer steel
US5122336A (en) * 1989-10-09 1992-06-16 Creusot-Loire Industrie High hardness steel for armouring and process for the production of such a steel
US5458704A (en) * 1992-07-21 1995-10-17 Thyssen Stahl Ag Process for the production of thick armour plates
EP0731332A2 (fr) * 1995-03-06 1996-09-11 Allegheny Ludlum Corporation Plaque de blindage en acier
JP2000080444A (ja) * 1998-08-31 2000-03-21 Sumitomo Heavy Ind Ltd 銃砲身用合金鋼
EP1052296A2 (fr) * 1999-05-08 2000-11-15 Thyssen Krupp AG Plaque de blindage et procédé pour sa fabrication
US20020124716A1 (en) * 2001-03-09 2002-09-12 Walter Grimm Method for producing tubes for heavy guns

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19921961C1 (de) * 1999-05-11 2001-02-01 Dillinger Huettenwerke Ag Verfahren zum Herstellen eines Verbundstahlbleches, insbesondere zum Schutz von Fahrzeugen gegen Beschuß

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB577133A (en) * 1940-04-12 1946-05-07 William Herbert Hatfield A process for improving the properties of iron alloy castings
GB908201A (en) * 1959-10-13 1962-10-17 Deutsche Edelstahlwerke Ag Steel helmets and articles required to have strength and toughness at sub-zero temperatures
FR2106939A5 (en) * 1970-09-30 1972-05-05 Creusot Forges Ateliers Weldable clad steel sheet - for armour plate
US3694174A (en) * 1971-05-13 1972-09-26 Us Army Dual property steel armor
GB2233259A (en) * 1979-05-30 1991-01-09 Thyssen Ind A G Maschinenbau Armoured wall consisting of multi-layer steel
US4484959A (en) * 1981-07-17 1984-11-27 Creusot-Loire Process for the production of a composite metal part and products thus obtained
US4645720A (en) * 1983-11-05 1987-02-24 Thyssen Stahl Ag Armour-plate and process for its manufacture
EP0247020A1 (fr) * 1986-04-23 1987-11-25 VOEST-ALPINE STAHL LINZ Gesellschaft m.b.H. Plaque de blindage
FR2619577A1 (fr) * 1987-08-17 1989-02-24 Aubert & Duval Acieries Composition d'acier au silicium-chrome-molybdene-vanadium et son application aux noyaux perforants de projectiles anti-blindages
US5122336A (en) * 1989-10-09 1992-06-16 Creusot-Loire Industrie High hardness steel for armouring and process for the production of such a steel
US5458704A (en) * 1992-07-21 1995-10-17 Thyssen Stahl Ag Process for the production of thick armour plates
EP0731332A2 (fr) * 1995-03-06 1996-09-11 Allegheny Ludlum Corporation Plaque de blindage en acier
JP2000080444A (ja) * 1998-08-31 2000-03-21 Sumitomo Heavy Ind Ltd 銃砲身用合金鋼
EP1052296A2 (fr) * 1999-05-08 2000-11-15 Thyssen Krupp AG Plaque de blindage et procédé pour sa fabrication
US20020124716A1 (en) * 2001-03-09 2002-09-12 Walter Grimm Method for producing tubes for heavy guns

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 06, 22. September 2000 (2000-09-22) & JP 2000 080444 A (SUMITOMO HEAVY IND LTD;DAIDO STEEL CO LTD), 21. März 2000 (2000-03-21) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007039993A1 (de) * 2007-08-23 2009-02-26 Edag Gmbh & Co. Kgaa Strukturteil für eine Fahrzeug-Panzerung
DE102008014914A1 (de) * 2007-08-23 2009-09-24 Edag Gmbh & Co. Kgaa Strukturteil für eine Fahrzeug-Panzerung
DE102008014914B4 (de) * 2007-08-23 2013-07-04 Vps Vehicle Protection Systems Gmbh Strukturteil für eine Fahrzeug-Panzerung
EP3754290B1 (fr) 2019-06-17 2022-05-11 Benteler Automobiltechnik GmbH Procédé de fabrication d'un composant de blindage pour véhicules automobiles

Also Published As

Publication number Publication date
US20040031353A1 (en) 2004-02-19
EP1321535A3 (fr) 2003-08-13
EP1321535B1 (fr) 2005-03-23
ES2238556T3 (es) 2005-09-01
DE50202536D1 (de) 2005-04-28
BR0205411A (pt) 2004-07-20
CA2414305C (fr) 2006-08-15
CA2414305A1 (fr) 2003-06-19
US20080181807A1 (en) 2008-07-31

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