GB2154492B - Mechanical stress improvement process - Google Patents

Mechanical stress improvement process

Info

Publication number
GB2154492B
GB2154492B GB08424990A GB8424990A GB2154492B GB 2154492 B GB2154492 B GB 2154492B GB 08424990 A GB08424990 A GB 08424990A GB 8424990 A GB8424990 A GB 8424990A GB 2154492 B GB2154492 B GB 2154492B
Authority
GB
United Kingdom
Prior art keywords
mechanical stress
improvement process
stress improvement
mechanical
stress
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.)
Expired
Application number
GB08424990A
Other languages
English (en)
Other versions
GB8424990D0 (en
GB2154492A (en
Inventor
William James O'donnell
Jan Sylvester Porowski
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.)
Odonnell & Ass
ODonnell and Associates Inc
Original Assignee
Odonnell & Ass
ODonnell and Associates Inc
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 Odonnell & Ass, ODonnell and Associates Inc filed Critical Odonnell & Ass
Publication of GB8424990D0 publication Critical patent/GB8424990D0/en
Publication of GB2154492A publication Critical patent/GB2154492A/en
Application granted granted Critical
Publication of GB2154492B publication Critical patent/GB2154492B/en
Expired legal-status Critical Current

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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
    • C21D7/12—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars by expanding tubular bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
    • B23P9/02—Treating or finishing by applying pressure, e.g. knurling
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding In General (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Glass Compositions (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
GB08424990A 1984-02-22 1984-10-03 Mechanical stress improvement process Expired GB2154492B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58261784A 1984-02-22 1984-02-22

Publications (3)

Publication Number Publication Date
GB8424990D0 GB8424990D0 (en) 1984-11-07
GB2154492A GB2154492A (en) 1985-09-11
GB2154492B true GB2154492B (en) 1987-12-02

Family

ID=24329836

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08424990A Expired GB2154492B (en) 1984-02-22 1984-10-03 Mechanical stress improvement process

Country Status (11)

Country Link
JP (1) JPS60248814A (es)
CH (1) CH665655A5 (es)
DE (1) DE3436445A1 (es)
ES (1) ES8605408A1 (es)
FI (1) FI77590C (es)
FR (1) FR2559697B1 (es)
GB (1) GB2154492B (es)
IT (1) IT1199204B (es)
MX (1) MX172237B (es)
NL (1) NL8403010A (es)
SE (1) SE464136B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5278878A (en) * 1992-11-13 1994-01-11 Porowski Jan S Process for reducing tensile welding stresses in a nozzle in a nuclear reactor shell
FR2744657B1 (fr) * 1996-02-08 1998-03-06 Lorraine Laminage Procede de realisation d'une roue pour vehicule terrestre a moteur
CA2465201C (en) 2001-11-02 2009-10-20 The Boeing Company Apparatus and method for forming weld joints having compressive residual stress patterns
US20060283919A1 (en) * 2005-06-15 2006-12-21 General Electric Company Systematic cold working of welds

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR867197A (fr) * 1939-09-07 1941-10-03 Budd Edward G Mfg Co Perfectionnements apportés à la soudure et produits obtenus
GB1000133A (en) * 1961-03-30 1965-08-04 Avesta Jernverks Ab A method in the manufacture of welded pressure vessels
GB1097571A (en) * 1965-03-01 1968-01-03 Atomic Energy Authority Uk Improvements in or relating to tubes
GB1235106A (en) * 1967-06-22 1971-06-09 Int Research & Dev Co Ltd Improvements in and relating to methods of treating welds to improve their mechanical properties
BE734821A (es) * 1968-07-02 1969-12-19
YU44093B (en) * 1979-01-26 1990-02-28 Energoinvest Sarajevo Method of treating connections obtained by explosive welding
GB2048146B (en) * 1979-04-25 1982-12-15 Us Energy Process for treating weldments
GB2071552A (en) * 1980-02-29 1981-09-23 Secr Defence The Treatment of Metals
JPS57145922A (en) * 1981-03-04 1982-09-09 Mitsubishi Heavy Ind Ltd Improvement of residual stress in pipe or pipe-like vessel
JPS58120722A (ja) * 1982-01-11 1983-07-18 Mitsubishi Heavy Ind Ltd 管または管状容器の残留応力改善方法

Also Published As

Publication number Publication date
FI843893L (fi) 1985-08-23
IT8448943A1 (it) 1986-04-03
SE8500844L (sv) 1985-08-23
SE8500844D0 (sv) 1985-02-21
GB8424990D0 (en) 1984-11-07
JPS60248814A (ja) 1985-12-09
IT1199204B (it) 1988-12-30
NL8403010A (nl) 1985-09-16
ES536480A0 (es) 1986-03-16
DE3436445A1 (de) 1985-08-22
MX172237B (es) 1993-12-08
IT8448943A0 (it) 1984-10-03
FR2559697A1 (fr) 1985-08-23
SE464136B (sv) 1991-03-11
GB2154492A (en) 1985-09-11
FR2559697B1 (fr) 1993-04-23
FI843893A0 (fi) 1984-10-03
FI77590C (fi) 1989-04-10
FI77590B (fi) 1988-12-30
ES8605408A1 (es) 1986-03-16
CH665655A5 (de) 1988-05-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921003