Study on Oxygen Content, Inclusions and Fatigue Properties of Bearing Steels Produced by Different Processes

Deguang Zhou, Jie Fu, Xichun Chen, Jing Li

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    Deguang Zhou, Jie Fu, Xichun Chen, and Jing Li, Study on Oxygen Content, Inclusions and Fatigue Properties of Bearing Steels Produced by Different Processes, J. Univ. Sci. Technol. Beijing , 8(2001), No. 1, pp.25-27.
    Deguang Zhou, Jie Fu, Xichun Chen, and Jing Li, Study on Oxygen Content, Inclusions and Fatigue Properties of Bearing Steels Produced by Different Processes, J. Univ. Sci. Technol. Beijing , 8(2001), No. 1, pp.25-27.
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    Metallurgy

    Study on Oxygen Content, Inclusions and Fatigue Properties of Bearing Steels Produced by Different Processes

    • Metallurgy School, University of Science and Technology-Beijing, Beijing 100083, China

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    中文摘要

    The metallurgical properties and fatigue life of bearing steel processed by electric furnace (EAF), ladle refining (LF-VD), continous casting (CC) and electroslag remelting (ESR) have been investigated. The main results obtained are as follows: (1) Due to low oxygen content and dispersion inclusions in steel, the fatigue Life of LF-VD-IC or CC is three times as high as that of EAF steel; (2) The oxygen content in steel produced by CC process is about 9.0×10-6, the carbon segregation (C/C0) is from 0.92 to 1.10 and the fatigue life of CC steel is equal to that of ladle refining ingot casting steel; (3) Although the amount of inclusion and oxygen in ESR steel is higher than that of LF-VD-IC or CC steel, the fatigue life of ESR steel is higher than that of the latter because of its fine and well dispersed inclusions.

     

    Metallurgy

    Study on Oxygen Content, Inclusions and Fatigue Properties of Bearing Steels Produced by Different Processes

    Author Affilications

      • Metallurgy School, University of Science and Technology-Beijing, Beijing 100083, China

    • Received: 05 May 2000;
    The metallurgical properties and fatigue life of bearing steel processed by electric furnace (EAF), ladle refining (LF-VD), continous casting (CC) and electroslag remelting (ESR) have been investigated. The main results obtained are as follows: (1) Due to low oxygen content and dispersion inclusions in steel, the fatigue Life of LF-VD-IC or CC is three times as high as that of EAF steel; (2) The oxygen content in steel produced by CC process is about 9.0×10-6, the carbon segregation (C/C0) is from 0.92 to 1.10 and the fatigue life of CC steel is equal to that of ladle refining ingot casting steel; (3) Although the amount of inclusion and oxygen in ESR steel is higher than that of LF-VD-IC or CC steel, the fatigue life of ESR steel is higher than that of the latter because of its fine and well dispersed inclusions.

     

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