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Influences of Straightening Process on Residual Stress of Heat-treated Rails
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Hang Su1, Lin Chen2, Yi-bin Wei3
Science & Technology of Baotou Steel | 2023, 49(4) : 63 - 67
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Science & Technology of Baotou Steel | 2023, 49(4): 63-67
• Varieties and Quality and Experimental Study •
Influences of Straightening Process on Residual Stress of Heat-treated Rails
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Hang Su1, Lin Chen2, Yi-bin Wei3
Affiliations
  • 1 Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region,China
  • 2 School of Materials and Metallurgical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
  • 3 Steel-making Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region,China
Published: 2023-08-25
Outline
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In order to study the relations between straightening process and residual stress of rails, the stress-strain situation of rails during straightening process is simulated combining with the ABAQUS software of finite element analysis. Various straightening process plans of rails are with simulation analysis to determine the optimal one and are researched combining with the results of on-site process debugging. The results showed that the minimum elastic core of each straightening plan was within deformation zoneⅡ, so the residual stress of rails could be effectively reduced by reducing the rolling reduction of 2# and 4# straightening rolls as well as straightening speed of rails.

heat-treated rails  /  straightening process  /  residual stress
Hang Su, Lin Chen, Yi-bin Wei. Influences of Straightening Process on Residual Stress of Heat-treated Rails[J]. Science & Technology of Baotou Steel, 2023 , 49 (4) : 63 -67 .
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Article Info
  • Receive Date：2023-04-23
  • Online Date：2025-11-20
  • Published：2023-08-25
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  • Received：2023-04-23
Affiliations
    1 Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region,China
    2 School of Materials and Metallurgical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
    3 Steel-making Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region,China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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