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WO1991011538A3 - Ameliorations des proprietes des materiaux - Google Patents

Ameliorations des proprietes des materiaux Download PDF

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Publication number
WO1991011538A3
WO1991011538A3 PCT/US1990/007516 US9007516W WO9111538A3 WO 1991011538 A3 WO1991011538 A3 WO 1991011538A3 US 9007516 W US9007516 W US 9007516W WO 9111538 A3 WO9111538 A3 WO 9111538A3
Authority
WO
WIPO (PCT)
Prior art keywords
pulse
radiation
path
vaporized
providing
Prior art date
Application number
PCT/US1990/007516
Other languages
English (en)
Other versions
WO1991011538A2 (fr
Inventor
Harold M Epstein
Allan H Clauer
Boyd A Mueller
Jeffrey L Dulaney
Bernerd E Campbell
Craig T Walters
Original Assignee
Battelle Memorial Institute
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23840582&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1991011538(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Battelle Memorial Institute filed Critical Battelle Memorial Institute
Priority to DE69020581T priority Critical patent/DE69020581T4/de
Priority to DE69020581A priority patent/DE69020581D1/de
Priority to EP91906338A priority patent/EP0510124B1/fr
Publication of WO1991011538A2 publication Critical patent/WO1991011538A2/fr
Publication of WO1991011538A3 publication Critical patent/WO1991011538A3/fr

Links

Classifications

    • 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
    • C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
    • C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/356—Working by laser beam, e.g. welding, cutting or boring for surface treatment by shock processing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/903—Directly treated with high energy electromagnetic waves or particles, e.g. laser, electron beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
  • Laser Beam Processing (AREA)
  • Glass Compositions (AREA)
  • Organic Insulating Materials (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Physical Vapour Deposition (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Surface Treatment Of Glass (AREA)
  • Formation And Processing Of Food Products (AREA)

Abstract

Procédés et appareil pour améliorer les propriétés d'un matériau solide fixé dans une cible (11) en lui appliquant des ondes de choc. Des impulsions de rayonnement cohérent (12) sont dirigées sur la surface du matériau (11), ces impulsions de rayonnement cohérent ayant une fluence énergétique moyenne d'au moins environ 10 Joules par centimètre carré et un temps de montée ne dépassant pas environ 5 nanosecondes dans une enveloppe fluorescente durant environ 0,5 à 5 millisecondes, à une cadence d'environ 1 impulsion de rayonnement par 100 à 200 microsecondes. On obtient un raidissement de la partie croissante de chaque impulsion (12) en plaçant dans sa trajectoire un film d'aluminium (18) d'une épaisseur de 150 à 5000 angströms qui est vaporisé localement par l'impulsion puis déplacé d'un côté à l'autre de la trajectoire de sorte que l'impulsion suivante (12) vienne heurter une zone du film (18) qui n'a pas encore été vaporisée par une impulsion précédemment émise (12). Le rayonnement (12) est amplifié par un amplificateur (23) comprenant un tube de verre phosphate à laser qui a été renforcé par un échange d'ions.
PCT/US1990/007516 1990-01-11 1990-12-14 Ameliorations des proprietes des materiaux WO1991011538A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE69020581T DE69020581T4 (de) 1990-01-11 1990-12-14 Verbesserung von materialeigenschaften.
DE69020581A DE69020581D1 (de) 1990-01-11 1990-12-14 Verbesserung von materialeigenschaften.
EP91906338A EP0510124B1 (fr) 1990-01-11 1990-12-14 Ameliorations des proprietes des materiaux

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46357790A 1990-01-11 1990-01-11
US463,577 1990-01-11

Publications (2)

Publication Number Publication Date
WO1991011538A2 WO1991011538A2 (fr) 1991-08-08
WO1991011538A3 true WO1991011538A3 (fr) 1991-09-05

Family

ID=23840582

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1990/007516 WO1991011538A2 (fr) 1990-01-11 1990-12-14 Ameliorations des proprietes des materiaux

Country Status (9)

Country Link
US (2) US5127019A (fr)
EP (1) EP0510124B1 (fr)
JP (1) JPH05503738A (fr)
AT (1) ATE124465T1 (fr)
CA (1) CA2072070A1 (fr)
DE (2) DE69020581T4 (fr)
DK (1) DK0510124T3 (fr)
ES (1) ES2075435T3 (fr)
WO (1) WO1991011538A2 (fr)

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US5131957A (en) 1992-07-21
EP0510124A1 (fr) 1992-10-28
ATE124465T1 (de) 1995-07-15
CA2072070A1 (fr) 1991-07-12
US5127019A (en) 1992-06-30
EP0510124B1 (fr) 1995-06-28
ES2075435T3 (es) 1995-10-01
JPH05503738A (ja) 1993-06-17
DE69020581T2 (de) 1995-12-07
DK0510124T3 (da) 1995-09-18
DE69020581D1 (de) 1995-08-03
WO1991011538A2 (fr) 1991-08-08
DE69020581T4 (de) 1996-06-13

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