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Application Research on Rare Earth La in CSP Non-oriented Electrical Steel of Baotou Steel
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Wen-bo Zhang1, 2, Li-feng Fan3, Bin Lu1, 3, Ji-qiang Qiao1
Rare Earth Steel | 2019, 45(6) : 85 - 90
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Rare Earth Steel | 2019, 45(6): 85-90
• Quality of Variety and Experiment and Research •
Application Research on Rare Earth La in CSP Non-oriented Electrical Steel of Baotou Steel
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Wen-bo Zhang1, 2, Li-feng Fan3, Bin Lu1, 3, Ji-qiang Qiao1
Affiliations
  • 1.CSP Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Inner Mongolia Enterprise Key Laboratory of Rare Earth Steel Products Research & Development, Baotou 014010, Inner Mongolia Autonomous Region, China
  • 3.School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia Autonomous Region, China
Published: 2019-10-25 doi: 10.13647/j.cnki.btgkj.2019.06.021
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The industrial production of non-oriented electrical steel 50W600 with rare earth is with the CSP production line. The microstructure, inclusions and texture of casting blank, hot rolled plate and finished plate were studied with such equipment as the transmission electron microscope, scanning electron microscope and X-ray diffraction (XRD). The main results were as follows: the development of columnar crystal for casting blank was suppressed obviously, space between dendritic crystal was decreased, ratio of equiaxed crystal was increased and banded structure of hot rolled plate was improved; the function of purifying liquid steel with rare earth was so obvious that the precipitation of MnS was reduced and precipitation of part of AlN was transformed from nubby and elemental to spherical and compound; the average grain size was increased, the favorable textures (100) and (110) were increased as well as the unfavorable texture (111) was reduced after annealing; the average iron loss was reduced by 0.4 W/kg and average magnetic induction intensity was increased by 0.011 T for finished products.

rare earth La  /  non-oriented electrical steel  /  texture  /  inclusion  /  microstructure
张文博, 樊立峰, 陆斌, 乔继强. 稀土La在包钢CSP无取向电工钢中的应用研究. 包钢科技, 2019 , 45 (6) : 85 -90 . DOI: 10.13647/j.cnki.btgkj.2019.06.021
Wen-bo Zhang, Li-feng Fan, Bin Lu, Ji-qiang Qiao. Application Research on Rare Earth La in CSP Non-oriented Electrical Steel of Baotou Steel[J]. Science & Technology of Baotou Steel, 2019 , 45 (6) : 85 -90 . DOI: 10.13647/j.cnki.btgkj.2019.06.021
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Year 2019 volume 45 Issue 6
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doi: 10.13647/j.cnki.btgkj.2019.06.021
  • Receive Date：2019-09-16
  • Online Date：2026-10-20
  • Published：2019-10-25
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History
  • Received：2019-09-16
Affiliations
    1.CSP Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Inner Mongolia Enterprise Key Laboratory of Rare Earth Steel Products Research & Development, Baotou 014010, Inner Mongolia Autonomous Region, China
    3.School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, 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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