JPH0216371B2 - - Google Patents
Info
- Publication number
- JPH0216371B2 JPH0216371B2 JP57018093A JP1809382A JPH0216371B2 JP H0216371 B2 JPH0216371 B2 JP H0216371B2 JP 57018093 A JP57018093 A JP 57018093A JP 1809382 A JP1809382 A JP 1809382A JP H0216371 B2 JPH0216371 B2 JP H0216371B2
- Authority
- JP
- Japan
- Prior art keywords
- weld
- welding
- heat treatment
- hydrogen concentration
- hydrogen
- 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
Links
- 229910052739 hydrogen Inorganic materials 0.000 claims description 171
- 239000001257 hydrogen Substances 0.000 claims description 171
- 238000003466 welding Methods 0.000 claims description 123
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 115
- 238000010438 heat treatment Methods 0.000 claims description 72
- 238000009792 diffusion process Methods 0.000 claims description 55
- 150000002431 hydrogen Chemical class 0.000 claims description 54
- 239000002184 metal Substances 0.000 claims description 45
- 229910052751 metal Inorganic materials 0.000 claims description 45
- 238000005336 cracking Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 33
- 230000008859 change Effects 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 26
- 238000012360 testing method Methods 0.000 description 22
- 238000009826 distribution Methods 0.000 description 20
- 239000011324 bead Substances 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 238000012545 processing Methods 0.000 description 11
- 238000005259 measurement Methods 0.000 description 8
- 230000035515 penetration Effects 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 239000010953 base metal Substances 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 150000003818 basic metals Chemical class 0.000 description 1
- 238000013142 basic testing Methods 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 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
- C21D11/00—Process control or regulation for heat treatments
-
- 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/06—Extraction of hydrogen
-
- 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)
- Arc Welding In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/231,913 US4475963A (en) | 1981-02-05 | 1981-02-05 | Method for postweld heat treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57188623A JPS57188623A (en) | 1982-11-19 |
| JPH0216371B2 true JPH0216371B2 (OSRAM) | 1990-04-17 |
Family
ID=22871123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57018093A Granted JPS57188623A (en) | 1981-02-05 | 1982-02-05 | After-heat treatment for welding |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4475963A (OSRAM) |
| JP (1) | JPS57188623A (OSRAM) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5094702A (en) * | 1989-06-19 | 1992-03-10 | U.S. Dept. Of Energy | Menu driven heat treatment control of thin walled bodies |
| US7306951B1 (en) * | 1999-06-08 | 2007-12-11 | Midwest Research Institute | Method and apparatus for determining diffusible hydrogen concentrations |
| US6398102B1 (en) * | 1999-10-05 | 2002-06-04 | Caterpillar Inc. | Method for providing an analytical solution for a thermal history of a welding process |
| US7082338B1 (en) | 1999-10-20 | 2006-07-25 | Caterpillar Inc. | Method for providing a process model for a material in a manufacturing process |
| JP4148639B2 (ja) * | 2000-08-31 | 2008-09-10 | 独立行政法人物質・材料研究機構 | 鋼部材の使用形態とその使用環境の設定方法 |
| AU2002246960A1 (en) * | 2001-01-09 | 2002-08-06 | Edison Welding Institute | Non-destructive butt weld inspection method |
| JP4403145B2 (ja) * | 2005-02-25 | 2010-01-20 | 新日本製鐵株式会社 | 溶接金属の耐水素脆化割れ特性に優れた高強度溶接鋼管とその製造方法 |
| RU2580582C2 (ru) * | 2014-07-29 | 2016-04-10 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" | Способ разводороживания сварных швов магистральных газопроводов |
| RU2657676C1 (ru) * | 2017-05-31 | 2018-06-14 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Способ разводороживания сварных швов толстостенных труб магистральных газопроводов |
| CN112094997B (zh) * | 2020-09-15 | 2022-02-15 | 中南大学 | 一种改善低合金超高强钢焊件耐腐蚀性能的方法 |
-
1981
- 1981-02-05 US US06/231,913 patent/US4475963A/en not_active Expired - Lifetime
-
1982
- 1982-02-05 JP JP57018093A patent/JPS57188623A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4475963A (en) | 1984-10-09 |
| JPS57188623A (en) | 1982-11-19 |
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