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WO2008018980A3 - Friction welding and laser shock processing - Google Patents

Friction welding and laser shock processing Download PDF

Info

Publication number
WO2008018980A3
WO2008018980A3 PCT/US2007/016495 US2007016495W WO2008018980A3 WO 2008018980 A3 WO2008018980 A3 WO 2008018980A3 US 2007016495 W US2007016495 W US 2007016495W WO 2008018980 A3 WO2008018980 A3 WO 2008018980A3
Authority
WO
WIPO (PCT)
Prior art keywords
ferrous
laser shock
shock processing
friction stir
oil
Prior art date
Application number
PCT/US2007/016495
Other languages
French (fr)
Other versions
WO2008018980A2 (en
Inventor
Glen A Vaughn
Narasimha-Rao Venkata Bangaru
Jayoung Koo
Raghavan Ayer
Danny Lee Beeson
Neeraj Srinivas Thirumalai
David Alan Baker
David Ashley Norman
Steven Jeffery Ford
Douglas Paul Fairchild
Original Assignee
Exxonmobil Res & Eng Co
Glen A Vaughn
Narasimha-Rao Venkata Bangaru
Jayoung Koo
Raghavan Ayer
Danny Lee Beeson
Neeraj Srinivas Thirumalai
David Alan Baker
David Ashley Norman
Steven Jeffery Ford
Douglas Paul Fairchild
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 US11/499,800 external-priority patent/US20080032152A1/en
Application filed by Exxonmobil Res & Eng Co, Glen A Vaughn, Narasimha-Rao Venkata Bangaru, Jayoung Koo, Raghavan Ayer, Danny Lee Beeson, Neeraj Srinivas Thirumalai, David Alan Baker, David Ashley Norman, Steven Jeffery Ford, Douglas Paul Fairchild filed Critical Exxonmobil Res & Eng Co
Publication of WO2008018980A2 publication Critical patent/WO2008018980A2/en
Publication of WO2008018980A3 publication Critical patent/WO2008018980A3/en

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
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
    • B23K20/1275—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding involving metallurgical change
    • 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
    • B23K26/009—Working by laser beam, e.g. welding, cutting or boring using a non-absorbing, e.g. transparent, reflective or refractive, layer on the workpiece

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Earth Drilling (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

The use of friction stir and laser shock processing in oil & gas and/or petrochemical applications is provided by the present invention. The use includes subjecting friction stir weldments, fusion weldments, and other critical regions of ferrous and non-ferrous alloy components used in oil & gas and petrochemical applications to laser shock processing to create residual compressive stresses near the surface of the treated area. The residual compressive forces in the ferrous or non-ferrous components improve properties including, inter alia, surface strength, fatigue life, surface hardness, stress corrosion resistance, fatigue resistance, and environmental cracking resistance. Friction stir and laser shock processing find particular application in high strength pipelines, steel catenary risers, top tension risers, threaded components, liquefied natural gas containers, pressurized liquefied natural gas containers, deep water oil drill strings, riser/casing joints, and well-head equipment.
PCT/US2007/016495 2006-08-04 2007-07-20 Friction welding and laser shock processing WO2008018980A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/499,800 US20080032152A1 (en) 2006-08-04 2006-08-04 Use of laser shock processing in oil & gas and petrochemical applications
US11/499,800 2006-08-04
US11/643,526 US20080032153A1 (en) 2006-08-04 2006-12-21 Use of friction stir and laser shock processing in oil & gas and petrochemical applications
US11/643,526 2006-12-21

Publications (2)

Publication Number Publication Date
WO2008018980A2 WO2008018980A2 (en) 2008-02-14
WO2008018980A3 true WO2008018980A3 (en) 2008-10-30

Family

ID=39033459

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/016495 WO2008018980A2 (en) 2006-08-04 2007-07-20 Friction welding and laser shock processing

Country Status (1)

Country Link
WO (1) WO2008018980A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240100624A1 (en) * 2018-08-28 2024-03-28 MELD Manufacturing Corporation Solid-state joining of features to cast parts
JP7523807B2 (en) * 2019-03-27 2024-07-29 国立大学法人大阪大学 Surface modification method for steel materials and steel structure
CN110284084B (en) * 2019-06-28 2021-09-28 江苏理工学院 Plastic forming method for high-strength wear-resistant aluminum alloy plate
CN115026431A (en) * 2022-07-05 2022-09-09 山东科技大学 Construction method of micro-nano multi-scale gradient structure on surface of high-corrosion-resistance fatigue nickel-aluminum bronze

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4721536A (en) * 1985-06-10 1988-01-26 Hoesch Aktiengesellschaft Method for making steel tubes or pipes of increased acidic gas resistance
US5780804A (en) * 1996-11-27 1998-07-14 General Electric Company Apparatus and method for making structural fillet welds
US20080032152A1 (en) * 2006-08-04 2008-02-07 Vaughn Glen A Use of laser shock processing in oil & gas and petrochemical applications

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4721536A (en) * 1985-06-10 1988-01-26 Hoesch Aktiengesellschaft Method for making steel tubes or pipes of increased acidic gas resistance
US5780804A (en) * 1996-11-27 1998-07-14 General Electric Company Apparatus and method for making structural fillet welds
US20080032152A1 (en) * 2006-08-04 2008-02-07 Vaughn Glen A Use of laser shock processing in oil & gas and petrochemical applications

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"LASER SHOCK PEENING", REVOLUTIONS, GEAR TECHNOLOGY, November 2001 (2001-11-01) - December 2001 (2001-12-01), pages 9 - 10 *
CLAUER A.H.: "LASER SHOCK PEENING FOR FATIGUE RESISTANCE", SURFACE PERFORMANCE OF TITANIUM, 1996, pages 217 - 230, XP055299764 *

Also Published As

Publication number Publication date
WO2008018980A2 (en) 2008-02-14

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