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Analysis on Evolution of Microstructure and Texture for Hi-B Steel
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Li-li Dong1, 2, Lu-lu Huang2, Li Xie2, Bao-zhi Liu3
Science & Technology of Baotou Steel | 2024, 50(3) : 61 - 66
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Science & Technology of Baotou Steel | 2024, 50(3): 61-66
• Variety Quality and Experimental Study •
Analysis on Evolution of Microstructure and Texture for Hi-B Steel
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Li-li Dong1, 2, Lu-lu Huang2, Li Xie2, Bao-zhi Liu3
Affiliations
  • 1. School of Materials and Metallurgy(Rare Earth Institute), 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
  • 3. Baotou Winfiner Tombarthite Magnetism Material Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2024-06-25
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In this paper, the microstructure and macrotexture of Hi-B steel at various stages of production are analyzed with such detection means as Zeiss microscope and X-ray diffractometer. The results showed that the microstructure of Hi-B steel was ferrite at all production stages. The microstructure is completely recrystallized after decarbonizing and nitriding annealing and average grain size is 28.92 μm as well as secondary recrystallization is completed after high temperature annealing and average grain size of finished product is about 2 cm. The texture types in sub-surface of hot rolled plate are mainly three types of typical shear textures. The texture of cold rolled plate is mainly composed of α line texture and rotating cube texture {001}<110>, the texture after decarburizing annealing is mainly α* texture and γ line texture {111}<112> as well as the macrotexture after high temperature annealing is mainly Goss texture. The texture of Hi-B steel after stretching, leveling and annealing is single Goss texture with accurate orientation as well as its strength reaches peak.

Hi-B steel  /  microstructure  /  texture evolution  /  normalizing annealing  /  high temperature annealing
Li-li Dong, Lu-lu Huang, Li Xie, Bao-zhi Liu. Analysis on Evolution of Microstructure and Texture for Hi-B Steel[J]. Science & Technology of Baotou Steel, 2024 , 50 (3) : 61 -66 .
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  • Receive Date：2024-03-27
  • Online Date：2025-10-24
  • Published：2024-06-25
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  • Received：2024-03-27
Affiliations
    1. School of Materials and Metallurgy(Rare Earth Institute), 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
    3. Baotou Winfiner Tombarthite Magnetism Material 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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