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Cause Analysis for Cross Crack Defect
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Zhong-yi Wang1, 2, Yong-tao Zhao1, Ting-ting Sun2
Rare Earth Steel | 2020, 46(1) : 47 - 50
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Rare Earth Steel | 2020, 46(1): 47-50
• Quality of Variety and Experiment and Research •
Cause Analysis for Cross Crack Defect
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Zhong-yi Wang1, 2, Yong-tao Zhao1, Ting-ting Sun2
Affiliations
  • 1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Rare Earth Steel Plate Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2020-02-25 doi: 10.13647/j.cnki.btgkj.2020.01.013
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In the paper, it is introduced such problems as bending deformation, stress distribution, yield point elongation and strain aging of steel coils in the processes of uncoiling and straightening are analyzed with such knowledge as elastic-plastic mechanics and metal science aiming at the cross cracks defect during uncoiling hot rolled low carbon steel coil. It is considered that the main cause for cross cracks defect is not the problem of strip shape, but the yield point elongation common for low carbon steel so that the basis for eliminating the cross cracks defect is provided.

cross cracks  /  strip shape  /  yield point elongation  /  bending deformation  /  strain aging  /  stress distribution
王中一, 赵勇桃, 孙婷婷. 横纹缺陷的成因分析. 包钢科技, 2020 , 46 (1) : 47 -50 . DOI: 10.13647/j.cnki.btgkj.2020.01.013
Zhong-yi Wang, Yong-tao Zhao, Ting-ting Sun. Cause Analysis for Cross Crack Defect[J]. Science & Technology of Baotou Steel, 2020 , 46 (1) : 47 -50 . DOI: 10.13647/j.cnki.btgkj.2020.01.013
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Year 2020 volume 46 Issue 1
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Article Info
doi: 10.13647/j.cnki.btgkj.2020.01.013
  • Receive Date：2019-06-26
  • Online Date：2026-10-20
  • Published：2020-02-25
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  • Received：2019-06-26
Affiliations
    1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Rare Earth Steel Plate 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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