FR2438686A1 - Procede de fragilisation par bombardement electronique - Google Patents

Procede de fragilisation par bombardement electronique

Info

Publication number
FR2438686A1
FR2438686A1 FR7829211A FR7829211A FR2438686A1 FR 2438686 A1 FR2438686 A1 FR 2438686A1 FR 7829211 A FR7829211 A FR 7829211A FR 7829211 A FR7829211 A FR 7829211A FR 2438686 A1 FR2438686 A1 FR 2438686A1
Authority
FR
France
Prior art keywords
martensite
local heating
detonation
narrow bands
embrittling
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
FR7829211A
Other languages
English (en)
Other versions
FR2438686B1 (fr
Inventor
Jacques Frayssac
Jean-Francois Kihm
Jean-Pierre Le Pezennec
Didier De Coudenhove
Jacques Plusquellec
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7829211A priority Critical patent/FR2438686A1/fr
Priority to DE19792941480 priority patent/DE2941480A1/de
Publication of FR2438686A1 publication Critical patent/FR2438686A1/fr
Application granted granted Critical
Publication of FR2438686B1 publication Critical patent/FR2438686B1/fr
Granted legal-status Critical Current

Links

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
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/16—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for explosive shells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Laser Surgery Devices (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE ET UN DISPOSITIF POUR LA FRAGILISATION LOCALISEE DES METAUX ET NOTAMMENT DES ENVELOPPES METALLIQUES DE CHARGES EXPLOSIVES. LE PROCEDE REALISE LA FRAGILISATION LOCALISEE DES ENVELOPPES METALLIQUES PAR BOMBARDEMENT ELECTRONIQUE SOUS VIDE AU MOYEN D'UN FAISCEAU D'ELECTRONS, SELON UN QUADRILLAGE DONT L'ORIENTATION EST DETERMINEE PAR LA DIRECTION DE L'ONDE DE DETONATION A L'INTERIEUR DE L'ENVELOPPE. APPLICATION AUX OBUS DE TOUS CALIBRES, AUX GRENADES, TETES DE MISSILES OU BOMBES D'AVION.
FR7829211A 1978-10-13 1978-10-13 Procede de fragilisation par bombardement electronique Granted FR2438686A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7829211A FR2438686A1 (fr) 1978-10-13 1978-10-13 Procede de fragilisation par bombardement electronique
DE19792941480 DE2941480A1 (de) 1978-10-13 1979-10-12 Verfahren und vorrichtung zur oertlichen versproedung von metallen, insbesondere der maentel von sprengladungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7829211A FR2438686A1 (fr) 1978-10-13 1978-10-13 Procede de fragilisation par bombardement electronique

Publications (2)

Publication Number Publication Date
FR2438686A1 true FR2438686A1 (fr) 1980-05-09
FR2438686B1 FR2438686B1 (fr) 1981-05-08

Family

ID=9213691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7829211A Granted FR2438686A1 (fr) 1978-10-13 1978-10-13 Procede de fragilisation par bombardement electronique

Country Status (2)

Country Link
DE (1) DE2941480A1 (fr)
FR (1) FR2438686A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2536164A1 (fr) * 1982-11-17 1984-05-18 Serat Perfectionnements apportes aux projectiles explosifs a fragmentation preparee
EP0357514A1 (fr) * 1988-09-02 1990-03-07 Thomson-Brandt Armements Enveloppe protectrice de munitions comportant des moyens permettant sa découpe
US5652408A (en) * 1994-07-22 1997-07-29 Manurhin Defense Explosive projectile
EP1176385A1 (fr) 2000-07-28 2002-01-30 Giat Industries Munition explosive à corps fragmentable

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186290B (en) * 1986-02-11 1989-11-22 Avdel Ltd Pin for a fastener, and method of making same
DE3614246A1 (de) * 1986-04-26 1987-10-29 Schaeffler Waelzlager Kg Verfahren zum herstellen eines an wenigstens einer stelle seines umfanges eine durchgehende sprengfuge aufweisenden waelzlagerlaufringes
DE3825912C1 (en) * 1988-07-29 1989-11-02 Buck Werke Gmbh & Co, 7347 Bad Ueberkingen, De Process for producing metallic projectile shells which form fragments
DE102008005098A1 (de) * 2008-01-18 2009-07-23 Diehl Bgt Defence Gmbh & Co. Kg Hülle eines Geschosses und Verfahren zur Fragmentierung der Hülle
DE102010061272B3 (de) * 2010-12-15 2013-04-25 Krauss-Maffei Wegmann Gmbh & Co. Kg Geschosshülle für ein Sprenggeschoss und Verfahren zur Behandlung einer Geschosshülle
US9360284B1 (en) 2013-03-15 2016-06-07 Vista Outdoor Operations Llc Manufacturing process to produce metalurgically programmed terminal performance projectiles
DE102014014332B3 (de) 2014-10-01 2016-03-17 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Vorrichtung und Verfahren zur kontrollierten Splitterbildung mittels temperaturaktivierbarer Kerbladungen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368684A1 (fr) * 1971-05-27 1978-05-19 Rheinmetall Gmbh Procede de fabrication de douilles pour projectiles, tetes offensives et analogues

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791881A (en) * 1972-03-02 1974-02-12 Us Navy Annealing treatment for controlling warhead fragmentation size distribution
DE2743992A1 (de) * 1976-10-05 1978-04-06 Boc Ltd Verfahren und einrichtung zur behandlung metallischer lagerflaechen von bauteilen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368684A1 (fr) * 1971-05-27 1978-05-19 Rheinmetall Gmbh Procede de fabrication de douilles pour projectiles, tetes offensives et analogues

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2536164A1 (fr) * 1982-11-17 1984-05-18 Serat Perfectionnements apportes aux projectiles explosifs a fragmentation preparee
EP0357514A1 (fr) * 1988-09-02 1990-03-07 Thomson-Brandt Armements Enveloppe protectrice de munitions comportant des moyens permettant sa découpe
FR2637065A1 (fr) * 1988-09-02 1990-03-30 Thomson Brandt Armements Enveloppe protectrice de munitions comportant des moyens permettant sa decoupe
US4986188A (en) * 1988-09-02 1991-01-22 Thomson-Brandt Armements Protective casing for munitions having means enabling it to be broken through
US5652408A (en) * 1994-07-22 1997-07-29 Manurhin Defense Explosive projectile
EP1176385A1 (fr) 2000-07-28 2002-01-30 Giat Industries Munition explosive à corps fragmentable

Also Published As

Publication number Publication date
DE2941480A1 (de) 1980-04-30
FR2438686B1 (fr) 1981-05-08

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse