JPS6364499B2 - - Google Patents
Info
- Publication number
- JPS6364499B2 JPS6364499B2 JP9215781A JP9215781A JPS6364499B2 JP S6364499 B2 JPS6364499 B2 JP S6364499B2 JP 9215781 A JP9215781 A JP 9215781A JP 9215781 A JP9215781 A JP 9215781A JP S6364499 B2 JPS6364499 B2 JP S6364499B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- welding
- rail
- welded
- pressure
- 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
- 238000001816 cooling Methods 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 42
- 229910001562 pearlite Inorganic materials 0.000 claims description 13
- 239000000110 cooling liquid Substances 0.000 claims description 10
- 238000005304 joining Methods 0.000 claims description 8
- 239000010409 thin film Substances 0.000 claims description 7
- 229910001566 austenite Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 230000001131 transforming effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 49
- 238000010791 quenching Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000005496 tempering Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005275 alloying Methods 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000003832 thermite Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010002 mechanical finishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- C21D9/505—Cooling thereof
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)
- Pressure Welding/Diffusion-Bonding (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9215781A JPS57207117A (en) | 1981-06-17 | 1981-06-17 | Joining method for heat treated rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9215781A JPS57207117A (en) | 1981-06-17 | 1981-06-17 | Joining method for heat treated rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57207117A JPS57207117A (en) | 1982-12-18 |
| JPS6364499B2 true JPS6364499B2 (sv) | 1988-12-12 |
Family
ID=14046583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9215781A Granted JPS57207117A (en) | 1981-06-17 | 1981-06-17 | Joining method for heat treated rail |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57207117A (sv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6256524A (ja) * | 1985-09-06 | 1987-03-12 | Nippon Steel Corp | 溶接性を付与した高強度レ−ルの製造法 |
| US7690553B2 (en) * | 2005-06-07 | 2010-04-06 | University Of Utah Research Foundation | Methods and systems for mitigating residual tensile stresses |
| JP4869773B2 (ja) * | 2006-04-21 | 2012-02-08 | 新日本製鐵株式会社 | レールのフラッシュバット溶接方法 |
| BR112014026521B1 (pt) * | 2012-04-25 | 2019-06-18 | Jfe Steel Corporation | Método para fabricar um trilho de perlita por laminação a quente |
-
1981
- 1981-06-17 JP JP9215781A patent/JPS57207117A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57207117A (en) | 1982-12-18 |
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