Research progress on non- metallic inclusion in tire cord steel for radial tire |
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Authors: | LEI Jia- liu XUE Zheng- liang ZHU Hang- yu JIANG Yue- dong |
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Affiliation: | 1.School of Materials Science and Engineering, Hubei Polytechnic University, Huangshi 435003, Hubei,China ; 2.Hubei Provincial Engineering Technology Research Center of Metallurgical Secondary Resources, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China ;3. Wuhan Branch of Baosteel Central Research Institute, Wuhan 430080, Hubei, China |
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Abstract: | With the development of automobile lightweight, the requirements of steel cord for radial tire on inclusions are becoming more stringent. According to the demands of steel cord wire rod on inclusions, the smelting technology at home and abroad and the research progress on the inclusions in the steel cord at present were summarized, and some views on the control direction in future were put forward. With the 90 grade ultra high strength tire cord steel becoming the mainstream product, the Al2O3- rich type inclusion and titanium inclusion remains a difficult point of control. In addition to further strengthening the plasticity control of the inclusions in the process of smelting, the attention also should be paid on the properties and behaviors of the inclusions in each link such as rolling and drawing process, so as to better realize the whole- process control. |
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