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Cause Analysis on Cracking of Hot Rolled Wheel Steel BT380CL Used for Spoke
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Zhen-jie Zhang1, 2, Yun-ping Ji1
Rare Earth Steel | 2019, 45(5) : 53 - 56
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Rare Earth Steel | 2019, 45(5): 53-56
• Quality of Variety and Experiment and Research •
Cause Analysis on Cracking of Hot Rolled Wheel Steel BT380CL Used for Spoke
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Zhen-jie Zhang1, 2, Yun-ping Ji1
Affiliations
  • 1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2019-10-25 doi: 10.13647/j.cnki.btgkj.2019.05.015
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Regarding to the cracking problem of hot-rolled wheel steel BT380CL used for spoke produced with the 2 250 mm hot rolling production line of Baotou Steel during the machining process of customer, the cause for the flow forming punching cracking of hot-rolled wheel steel used for spoke is that the segregation band of pearlite, stripe of sulfide as well as such inclusions as silicate and aluminate in the center of plate are inconsistent with the plasticity of matrix through testing mechanical property, observing metallographic structure, scanning electron microscope observation of inclusions and energy spectrum analysis on the samples of tensile sample of parent metal, metallographic specimen and hardness sample as well as the metallographic specimen of both cracked and uncracked parts of spoke.

wheel steel  /  spoke  /  punching cracking
张振杰, 计云萍. 轮辐用热轧车轮钢BT380CL开裂原因分析. 包钢科技, 2019 , 45 (5) : 53 -56 . DOI: 10.13647/j.cnki.btgkj.2019.05.015
Zhen-jie Zhang, Yun-ping Ji. Cause Analysis on Cracking of Hot Rolled Wheel Steel BT380CL Used for Spoke[J]. Science & Technology of Baotou Steel, 2019 , 45 (5) : 53 -56 . DOI: 10.13647/j.cnki.btgkj.2019.05.015
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Year 2019 volume 45 Issue 5
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Article Info
doi: 10.13647/j.cnki.btgkj.2019.05.015
  • Receive Date：2019-05-07
  • Online Date：2026-10-20
  • Published：2019-10-25
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History
  • Received：2019-05-07
Affiliations
    1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Technical Center 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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