DE3519467A1 - Verfahren und vorrichtung zum abbau der restspannungen in schweissverbindungen einer rohrleitung - Google Patents
Verfahren und vorrichtung zum abbau der restspannungen in schweissverbindungen einer rohrleitungInfo
- Publication number
- DE3519467A1 DE3519467A1 DE19853519467 DE3519467A DE3519467A1 DE 3519467 A1 DE3519467 A1 DE 3519467A1 DE 19853519467 DE19853519467 DE 19853519467 DE 3519467 A DE3519467 A DE 3519467A DE 3519467 A1 DE3519467 A1 DE 3519467A1
- Authority
- DE
- Germany
- Prior art keywords
- induction heat
- induction
- welded
- residual stresses
- pipe
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims description 72
- 238000004804 winding Methods 0.000 claims description 54
- 125000006850 spacer group Chemical group 0.000 claims description 24
- 210000002105 tongue Anatomy 0.000 claims description 23
- 239000004020 conductor Substances 0.000 claims description 3
- 239000012777 electrically insulating material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 230000035882 stress Effects 0.000 description 41
- 238000009826 distribution Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5341084A JPS60197823A (ja) | 1984-03-22 | 1984-03-22 | 配管の溶接継手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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3519467A1 true DE3519467A1 (de) | 1986-12-04 |
| DE3519467C2 DE3519467C2 (fr) | 1987-08-06 |
Family
ID=12942052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853519467 Granted DE3519467A1 (de) | 1984-03-22 | 1985-05-31 | Verfahren und vorrichtung zum abbau der restspannungen in schweissverbindungen einer rohrleitung |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS60197823A (fr) |
| DE (1) | DE3519467A1 (fr) |
| SE (1) | SE454183B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119676A1 (fr) * | 2011-03-04 | 2012-09-13 | Rwe Technology Gmbh | Procédé de traitement thermique de joints de soudure sur des éléments structuraux de centrale et d'installation |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JPH0826413B2 (ja) * | 1986-10-15 | 1996-03-13 | 株式会社日立製作所 | 高周波誘導加熱方法とその装置 |
| FR2678195A1 (fr) * | 1991-06-26 | 1992-12-31 | Siderurgie Fse Inst Rech | Procede de traitement inductif de pieces metalliques notamment en acier, fissurees ou susceptibles de l'etre. |
| CA2703755C (fr) * | 2007-10-27 | 2015-10-06 | Radyne Corporation | Brasage par induction electrique dans une atmosphere inerte |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505763A (en) * | 1981-07-08 | 1985-03-19 | Hitachi, Ltd. | Heat-treating method of weld portion of piping system and heating coil for the heat treatment |
-
1984
- 1984-03-22 JP JP5341084A patent/JPS60197823A/ja active Granted
-
1985
- 1985-05-29 SE SE8502646A patent/SE454183B/sv not_active IP Right Cessation
- 1985-05-31 DE DE19853519467 patent/DE3519467A1/de active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505763A (en) * | 1981-07-08 | 1985-03-19 | Hitachi, Ltd. | Heat-treating method of weld portion of piping system and heating coil for the heat treatment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119676A1 (fr) * | 2011-03-04 | 2012-09-13 | Rwe Technology Gmbh | Procédé de traitement thermique de joints de soudure sur des éléments structuraux de centrale et d'installation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60197823A (ja) | 1985-10-07 |
| SE8502646L (sv) | 1986-11-30 |
| DE3519467C2 (fr) | 1987-08-06 |
| SE454183B (sv) | 1988-04-11 |
| JPH046770B2 (fr) | 1992-02-06 |
| SE8502646D0 (sv) | 1985-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |