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WO2008136068A1 - 管体の残留応力改善方法及び残留応力改善装置 - Google Patents

管体の残留応力改善方法及び残留応力改善装置 Download PDF

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Publication number
WO2008136068A1
WO2008136068A1 PCT/JP2007/058584 JP2007058584W WO2008136068A1 WO 2008136068 A1 WO2008136068 A1 WO 2008136068A1 JP 2007058584 W JP2007058584 W JP 2007058584W WO 2008136068 A1 WO2008136068 A1 WO 2008136068A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe body
residual stress
laser beam
stress
improving
Prior art date
Application number
PCT/JP2007/058584
Other languages
English (en)
French (fr)
Inventor
Takahiro Ota
Shuho Tsubota
Takashi Ishide
Kazuhiko Kamo
Noriaki Sugimoto
Yoshiyuki Hemmi
Hironori Onitsuka
Takashi Akaba
Original Assignee
Mitsubishi Heavy Industries, Ltd.
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 Mitsubishi Heavy Industries, Ltd. filed Critical Mitsubishi Heavy Industries, Ltd.
Priority to US12/596,308 priority Critical patent/US8362393B2/en
Priority to EP07742020A priority patent/EP2141252A1/en
Priority to PCT/JP2007/058584 priority patent/WO2008136068A1/ja
Publication of WO2008136068A1 publication Critical patent/WO2008136068A1/ja

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • 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
    • B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
    • 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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
    • 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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
    • B23K26/0676—Dividing the beam into multiple beams, e.g. multifocusing into dependently operating sub-beams, e.g. an array of spots with fixed spatial relationship or for performing simultaneously identical operations
    • 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
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0823—Devices involving rotation of the workpiece
    • 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
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving
    • 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
    • C21D1/34—Methods of heating
    • 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
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/06—Tubes
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B23K2103/05—Stainless steel
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/18—Dissimilar materials
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/18—Dissimilar materials
    • B23K2103/26—Alloys of Nickel and Cobalt and Chromium
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • 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
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

　管体の設置状態、構成状態に依らず、確実に残留応力を改善できる管体の残留応力改善方法及び残留応力改善装置を提供する。そのため、円筒状の管体２の溶接部分の外周面に、管体２の外周を周回させながらレーザ光を照射する際、レーザ光による加熱により発生する管体２の内面の周方向応力が、少なくとも配管２を構成する材料の降伏応力より大きくなるように、レーザ光の照射による周方向加熱幅Ｗ及びレーザ光の周方向移動速度Ｖを設定する。
PCT/JP2007/058584 2007-04-20 2007-04-20 管体の残留応力改善方法及び残留応力改善装置 WO2008136068A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/596,308 US8362393B2 (en) 2007-04-20 2007-04-20 Method for improving residual stress in tubular body and apparatus for improving residual stress in tubular body
EP07742020A EP2141252A1 (en) 2007-04-20 2007-04-20 Method and device for improving residual stress in pipe body
PCT/JP2007/058584 WO2008136068A1 (ja) 2007-04-20 2007-04-20 管体の残留応力改善方法及び残留応力改善装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/058584 WO2008136068A1 (ja) 2007-04-20 2007-04-20 管体の残留応力改善方法及び残留応力改善装置

Publications (1)

Publication Number Publication Date
WO2008136068A1 true WO2008136068A1 (ja) 2008-11-13

Family

ID=39943193

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/058584 WO2008136068A1 (ja) 2007-04-20 2007-04-20 管体の残留応力改善方法及び残留応力改善装置

Country Status (3)

Country Link
US (1) US8362393B2 (ja)
EP (1) EP2141252A1 (ja)
WO (1) WO2008136068A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120325806A1 (en) * 2010-01-06 2012-12-27 Sumitomo Metal Industries, Ltd. Induction heating coil, and an apparatus and method for manufacturing a worked member

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5912659B2 (ja) * 2012-02-28 2016-04-27 三菱重工業株式会社 タービンロータ
US20150311773A1 (en) * 2014-04-28 2015-10-29 GM Global Technology Operations LLC Method of using a filler sheet having a flat surface to reduce core loss and weld failure in laminated stacked stators
RU2668531C1 (ru) * 2017-09-29 2018-10-01 Акционерное общество "Научно-производственное предприятие "Дельта" Способ поверхностной закалки стволов орудий
CN111485094A (zh) * 2020-04-23 2020-08-04 江苏大学 一种激光冲击强化金属管内外壁的装置与方法
EP4534939A1 (de) * 2023-10-06 2025-04-09 Uwe Philipp Unterschütz Vorrichtung zur erwärmung von stranggegossenen und stranggepressten rundstangen und rundbolzen

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770095A (en) 1980-10-20 1982-04-30 Mitsubishi Heavy Ind Ltd Method for improving residual stress of weld zone of pipe
JPS62211325A (ja) * 1986-03-10 1987-09-17 Ishikawajima Harima Heavy Ind Co Ltd 二重金属管等の残留応力改善方法
JPS63171828A (ja) * 1987-01-12 1988-07-15 Ishikawajima Harima Heavy Ind Co Ltd 二重金属管等の残留応力改善方法
JPH085773A (ja) 1994-06-20 1996-01-12 Toshiba Corp ジェットポンプの予防保全装置と予防保全方法
JPH10272586A (ja) 1997-03-31 1998-10-13 Nippon Steel Corp 金属管のレーザ突合せ溶接方法およびその装置
JP2001150178A (ja) 1999-11-26 2001-06-05 Mitsubishi Heavy Ind Ltd 溶接残留応力の低減方法とその装置
JP2003004890A (ja) 2001-06-21 2003-01-08 Toshiba Corp 原子炉内ポンプの予防保全方法及びその装置
JP2005232586A (ja) * 2004-01-22 2005-09-02 Mitsubishi Heavy Ind Ltd 管体の残留応力改善方法及び改善装置
JP2006015399A (ja) * 2004-06-04 2006-01-19 Mitsubishi Heavy Ind Ltd 配管の残留応力改善装置

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JPS60255930A (ja) * 1984-05-31 1985-12-17 Dai Ichi High Frequency Co Ltd 枝付管の溶接部における残留応力改善のための加熱方法及び加熱装置
JPH0230716A (ja) 1988-07-21 1990-02-01 Hokkaido Electric Power Co Inc:The 円周溶接部の残留応力改善方法
JP2000254776A (ja) 1999-03-10 2000-09-19 Toshiba Corp 原子炉内部配管溶接部の応力腐食割れ防止方法
US8049137B2 (en) * 2004-02-13 2011-11-01 Boston Scientific Scimed, Inc. Laser shock peening of medical devices
JP4209366B2 (ja) * 2004-07-29 2009-01-14 三菱重工業株式会社 配管の残留応力改善装置
JP4126292B2 (ja) * 2004-07-29 2008-07-30 三菱重工業株式会社 配管の残留応力改善装置
JP4939098B2 (ja) * 2006-04-05 2012-05-23 三菱重工業株式会社 管体の残留応力改善方法及び残留応力改善装置
JP5199579B2 (ja) * 2007-01-12 2013-05-15 三菱重工業株式会社 管体の残留応力改善方法及び装置
JP5185557B2 (ja) * 2007-03-30 2013-04-17 三菱重工業株式会社 管体の残留応力改善装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770095A (en) 1980-10-20 1982-04-30 Mitsubishi Heavy Ind Ltd Method for improving residual stress of weld zone of pipe
JPS62211325A (ja) * 1986-03-10 1987-09-17 Ishikawajima Harima Heavy Ind Co Ltd 二重金属管等の残留応力改善方法
JPS63171828A (ja) * 1987-01-12 1988-07-15 Ishikawajima Harima Heavy Ind Co Ltd 二重金属管等の残留応力改善方法
JPH085773A (ja) 1994-06-20 1996-01-12 Toshiba Corp ジェットポンプの予防保全装置と予防保全方法
JPH10272586A (ja) 1997-03-31 1998-10-13 Nippon Steel Corp 金属管のレーザ突合せ溶接方法およびその装置
JP2001150178A (ja) 1999-11-26 2001-06-05 Mitsubishi Heavy Ind Ltd 溶接残留応力の低減方法とその装置
JP2003004890A (ja) 2001-06-21 2003-01-08 Toshiba Corp 原子炉内ポンプの予防保全方法及びその装置
JP2005232586A (ja) * 2004-01-22 2005-09-02 Mitsubishi Heavy Ind Ltd 管体の残留応力改善方法及び改善装置
JP2006015399A (ja) * 2004-06-04 2006-01-19 Mitsubishi Heavy Ind Ltd 配管の残留応力改善装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120325806A1 (en) * 2010-01-06 2012-12-27 Sumitomo Metal Industries, Ltd. Induction heating coil, and an apparatus and method for manufacturing a worked member
US9604272B2 (en) * 2010-01-06 2017-03-28 Nippon Steel & Sumitomo Metal Corporation Induction heating coil, and an apparatus and method for manufacturing a worked member
US10406581B2 (en) 2010-01-06 2019-09-10 Nippon Steel Corporation Method for manufacturing a worked member using an induction heating coil

Also Published As

Publication number Publication date
US8362393B2 (en) 2013-01-29
US20100108653A1 (en) 2010-05-06
EP2141252A1 (en) 2010-01-06

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