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Study on Influences of Ce on Thermoplasticity of Q355B Billet Section
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Jun Zhu1, 2, Ji-chun Yang1, Hong Cui2
Rare Earth Steel | 2020, 46(5) : 68 - 71
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Rare Earth Steel | 2020, 46(5): 68-71
• Quality of Variety and Experiment and Research •
Study on Influences of Ce on Thermoplasticity of Q355B Billet Section
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Jun Zhu1, 2, Ji-chun Yang1, Hong Cui2
Affiliations
  • 1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Steel-making Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2020-10-25 doi: 10.13647/j.cnki.btgkj.2020.05.020
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It is found that the main cause for surface defect of billet is low straightening temperature aiming at the problem that the surface crack rate of Q355B casting blank produced with the 280 mm × 380 mm billet and 5# casting machine of Baotou Steel is higher through studying the correlation between straightening temperature of billet and surface cracks. The high temperature thermoplasticity of steel could be changed by adding trace Ce element so that the probability of surface cracks for billet is greatly reduced within the straightening temperature range of 850~950 ℃.

rare earth Ce  /  Q355B  /  high temperature thermoplasticity
朱君, 杨吉春, 崔弘. Ce对Q355B方坯断面热塑性影响. 包钢科技, 2020 , 46 (5) : 68 -71 . DOI: 10.13647/j.cnki.btgkj.2020.05.020
Jun Zhu, Ji-chun Yang, Hong Cui. Study on Influences of Ce on Thermoplasticity of Q355B Billet Section[J]. Science & Technology of Baotou Steel, 2020 , 46 (5) : 68 -71 . DOI: 10.13647/j.cnki.btgkj.2020.05.020
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Year 2020 volume 46 Issue 5
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Article Info
doi: 10.13647/j.cnki.btgkj.2020.05.020
  • Receive Date：2020-05-07
  • Online Date：2026-10-20
  • Published：2020-10-25
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  • Received：2020-05-07
Affiliations
    1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
    2.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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