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Study on Transformation Mechanism of Inclusions in Entire Process of IF Steel with Ce
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Shuai Gao1, Min Wang1, Jian-long Guo1, Hao Wang1, 2, 3, Jian-guo Zhi2, 3, Yan-ping Bao1
Rare Earth Steel | 2019, 45(6) : 62 - 65
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Rare Earth Steel | 2019, 45(6): 62-65
• Quality of Variety and Experiment and Research •
Study on Transformation Mechanism of Inclusions in Entire Process of IF Steel with Ce
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Shuai Gao1, Min Wang1, Jian-long Guo1, Hao Wang1, 2, 3, Jian-guo Zhi2, 3, Yan-ping Bao1
Affiliations
  • 1.State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
  • 2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 3.Inner Mongolia Enterprise Key Laboratory of Rare Earth Steel Products Research & Development, Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2019-10-25 doi: 10.13647/j.cnki.btgkj.2019.06.016
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The Ce-Fe alloy is added at the stage of RH in the process of smelting IF steel to improve the overall performances of automobile sheet steel through industrial tests. The industrial sampling was carried out for the test results so that the type, size and microstructure of rare earth inclusions in the entire process of smelting were systematically analyzed with the SEM-EDS electron microscope, ASPEX automatic scanning of inclusions, X-ray diffraction(XRD) and thermodynamic calculation. The results showed that such inclusions as Al2O3 and MnS could be modified with rare earth Ce from RH to slab and rolled products so that such rare earth inclusions as Ce2O3, Ce2O2S and CeO2 were preferentially formed, rare earth inclusions were gradually transformed from Al-O-Ce to such inclusions as Al-O-Ce, Ce-O-S and Al-O-Ce-S as well as the shape tended to be spherical and ellipsoidal and the size was below 5 μm.

Ce-Fe alloy  /  inclusions  /  morphology and type  /  size  /  transformation mechanism
高帅, 王敏, 郭建龙, 王皓, 智建国, 包燕平. 铈对IF钢全流程夹杂物的转变机理研究. 包钢科技, 2019 , 45 (6) : 62 -65 . DOI: 10.13647/j.cnki.btgkj.2019.06.016
Shuai Gao, Min Wang, Jian-long Guo, Hao Wang, Jian-guo Zhi, Yan-ping Bao. Study on Transformation Mechanism of Inclusions in Entire Process of IF Steel with Ce[J]. Science & Technology of Baotou Steel, 2019 , 45 (6) : 62 -65 . DOI: 10.13647/j.cnki.btgkj.2019.06.016
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Year 2019 volume 45 Issue 6
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Article Info
doi: 10.13647/j.cnki.btgkj.2019.06.016
  • Receive Date：2019-09-16
  • Online Date：2026-10-20
  • Published：2019-10-25
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  • Received：2019-09-16
Affiliations
    1.State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
    2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    3.Inner Mongolia Enterprise Key Laboratory of Rare Earth Steel Products Research & Development, 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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