NL8403322A - Verbetering vermoeiingssterkte van rails. - Google Patents
Verbetering vermoeiingssterkte van rails. Download PDFInfo
- Publication number
- NL8403322A NL8403322A NL8403322A NL8403322A NL8403322A NL 8403322 A NL8403322 A NL 8403322A NL 8403322 A NL8403322 A NL 8403322A NL 8403322 A NL8403322 A NL 8403322A NL 8403322 A NL8403322 A NL 8403322A
- Authority
- NL
- Netherlands
- Prior art keywords
- fatigue strength
- rail
- rails
- stress
- high temperature
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 3
- 235000003197 Byrsonima crassifolia Nutrition 0.000 description 1
- 240000001546 Byrsonima crassifolia Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007493 shaping process 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
-
- 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
- C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
- C21D9/06—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails with diminished tendency to become wavy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8403322A NL8403322A (nl) | 1984-11-02 | 1984-11-02 | Verbetering vermoeiingssterkte van rails. |
| DE19853529379 DE3529379A1 (de) | 1984-11-02 | 1985-08-16 | Verfahren zum erhoehen der ermuedungsfestigkeit von schienen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8403322A NL8403322A (nl) | 1984-11-02 | 1984-11-02 | Verbetering vermoeiingssterkte van rails. |
| NL8403322 | 1984-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8403322A true NL8403322A (nl) | 1986-06-02 |
Family
ID=19844693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8403322A NL8403322A (nl) | 1984-11-02 | 1984-11-02 | Verbetering vermoeiingssterkte van rails. |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE3529379A1 (OSRAM) |
| NL (1) | NL8403322A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0904859A1 (en) * | 1997-09-26 | 1999-03-31 | British Steel Plc | Method for the development of beneficial residual stresses in rails or beams |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2521883B1 (fr) * | 1982-02-19 | 1985-08-30 | Sacilor | Procede de dressage d'un rail de chemin de fer et rail de chemin de fer dresse |
-
1984
- 1984-11-02 NL NL8403322A patent/NL8403322A/nl not_active Application Discontinuation
-
1985
- 1985-08-16 DE DE19853529379 patent/DE3529379A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3529379C2 (OSRAM) | 1987-05-27 |
| DE3529379A1 (de) | 1986-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |