Development of Long-Life Rails for Overseas Freight Railways
To improve wear resistance and surface damage resistance of overseas freight railways, the authors studied and performed an increase of volume fraction of the cementite phase (carbon content) in the pearlite structure as an alternative to a conventional method of increasing the hardness thereof. As...
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| Veröffentlicht in: | Nippon steel technical report. Overseas 2013-12 (105), p.53-71 |
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| container_title | Nippon steel technical report. Overseas |
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| creator | Ueda, Masaharu Iwano, Katsuya Yamamoto, Takeshi Takahashi, Jun Matsushita, Kohichiro Kobayashi, Akira Miyazaki, Teruhisa Kobayashi, Yukiko |
| description | To improve wear resistance and surface damage resistance of overseas freight railways, the authors studied and performed an increase of volume fraction of the cementite phase (carbon content) in the pearlite structure as an alternative to a conventional method of increasing the hardness thereof. As a result, the work-hardening rate of rolling contact surface was increased, leading to increased hardness to thereby significantly improve wear resistance and surface damage resistance. By using these effects, Nippon Steel & Sumitomo Metal Corporation have developed hyper-eutectoid steel rails. These rails have excellent properties in actual tracks and have contributed to the improvement of the service life of freight railways. |
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| identifier | ISSN: 0300-306X |
| ispartof | Nippon steel technical report. Overseas, 2013-12 (105), p.53-71 |
| issn | 0300-306X |
| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Freight railways Hardness Overseas Pearlite Rails Structural damage Structural steels Wear resistance |
| title | Development of Long-Life Rails for Overseas Freight Railways |
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