JPS5770095A - Method for improving residual stress of weld zone of pipe - Google Patents
Method for improving residual stress of weld zone of pipeInfo
- Publication number
- JPS5770095A JPS5770095A JP55146429A JP14642980A JPS5770095A JP S5770095 A JPS5770095 A JP S5770095A JP 55146429 A JP55146429 A JP 55146429A JP 14642980 A JP14642980 A JP 14642980A JP S5770095 A JPS5770095 A JP S5770095A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- weld zone
- residual stress
- cooling
- outside
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 abstract 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- B23K13/00—Welding by high-frequency current heating
- B23K13/06—Welding by high-frequency current heating characterised by the shielding of the welding zone against influence of the surrounding atmosphere
-
- 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
- B23K13/00—Welding by high-frequency current heating
- B23K13/01—Welding by high-frequency current heating by induction heating
- B23K13/015—Butt welding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55146429A JPS5770095A (en) | 1980-10-20 | 1980-10-20 | Method for improving residual stress of weld zone of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55146429A JPS5770095A (en) | 1980-10-20 | 1980-10-20 | Method for improving residual stress of weld zone of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5770095A true JPS5770095A (en) | 1982-04-30 |
Family
ID=15407467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55146429A Pending JPS5770095A (en) | 1980-10-20 | 1980-10-20 | Method for improving residual stress of weld zone of pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5770095A (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007116805A1 (ja) | 2006-04-05 | 2007-10-18 | Mitsubishi Heavy Industries, Ltd. | 管体の残留応力改善方法及び残留応力改善装置 |
| WO2008084855A1 (ja) | 2007-01-12 | 2008-07-17 | Mitsubishi Heavy Industries, Ltd. | 管体の残留応力改善方法 |
| WO2008136068A1 (ja) | 2007-04-20 | 2008-11-13 | Mitsubishi Heavy Industries, Ltd. | 管体の残留応力改善方法及び残留応力改善装置 |
-
1980
- 1980-10-20 JP JP55146429A patent/JPS5770095A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007116805A1 (ja) | 2006-04-05 | 2007-10-18 | Mitsubishi Heavy Industries, Ltd. | 管体の残留応力改善方法及び残留応力改善装置 |
| WO2008084855A1 (ja) | 2007-01-12 | 2008-07-17 | Mitsubishi Heavy Industries, Ltd. | 管体の残留応力改善方法 |
| US8637784B2 (en) | 2007-01-12 | 2014-01-28 | Mitsubishi Heavy Industries, Ltd. | Method for improving residual stress in tubular body |
| WO2008136068A1 (ja) | 2007-04-20 | 2008-11-13 | Mitsubishi Heavy Industries, Ltd. | 管体の残留応力改善方法及び残留応力改善装置 |
| US8362393B2 (en) | 2007-04-20 | 2013-01-29 | Mitsubishi Heavy Industries, Ltd. | Method for improving residual stress in tubular body and apparatus for improving residual stress in tubular body |
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