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Effects of Low Temperature Tempering on Microstructure and Properties of U75V Heat Treated Rail
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Hu-dong Xue1, Jia-wei Wang1, Da-murenzhabu2
Rare Earth Steel | 2020, 46(4) : 48 - 51
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Rare Earth Steel | 2020, 46(4): 48-51
• Quality of Variety and Experiment and Research •
Effects of Low Temperature Tempering on Microstructure and Properties of U75V Heat Treated Rail
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Hu-dong Xue1, Jia-wei Wang1, Da-murenzhabu2
Affiliations
  • 1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Rail and Beam Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2020-08-25 doi: 10.13647/j.cnki.btgkj.2020.04.013
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In this paper, the mechanical properties of U75V heat treated rail were tested in accordance with the Russian standard ГОСТ Р 51685-2013. The results showed that the tensile property of rail after tempering could meet requirements of the Russian standard ОТ350HH for low temperature resistant rail and impact performance is lower than standard requirements. This is mainly because the chemical composition and heat treatment process of steel are different.

materials science  /  impact toughness  /  tempering  /  U75V heat treated rail
薛虎东, 王嘉伟, 达木仁扎布. 低温回火对U75V热处理钢轨组织与性能的影响. 包钢科技, 2020 , 46 (4) : 48 -51 . DOI: 10.13647/j.cnki.btgkj.2020.04.013
Hu-dong Xue, Jia-wei Wang, Da-murenzhabu. Effects of Low Temperature Tempering on Microstructure and Properties of U75V Heat Treated Rail[J]. Science & Technology of Baotou Steel, 2020 , 46 (4) : 48 -51 . DOI: 10.13647/j.cnki.btgkj.2020.04.013
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Year 2020 volume 46 Issue 4
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Article Info
doi: 10.13647/j.cnki.btgkj.2020.04.013
  • Receive Date：2019-11-28
  • Online Date：2026-10-20
  • Published：2020-08-25
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  • Received：2019-11-28
Affiliations
    1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Rail and Beam 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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