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Effect of Transverse Static Magnetic Field on Droplets Transient and Inclusions Evolution During the Electroslag Remelting Process of GCr15 Ingots

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Abstract

The voltage was recorded to investigate the influence of the static magnetic field on droplet evolution during the magnetically controlled electroslag remelting (MC-ESR) process. MC-ESR experiments were carried out under different remelting current, and transverse static magnetic fields (TSMF) of 85 mT, 130 mT and 160 mT were superimposed. Statistical work was performed to obtain the quantitative data of the droplets. The ASPEX Explorer was utilized to investigate the inclusions evolution of GCr15 ingots. The number of the droplets was 31 in 20 s during the traditional ESR process and reached 50 and 51 under the MC-ESR process with the TSMF of 85 mT and 130 mT, respectively. When compared the traditional ESR process with the MC-ESR process, the inclusions amount reduced 67%.

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Acknowledgements

The authors gratefully acknowledge the financial support of the National Key Research and Development Program of China (No. 2016YFB0300401), the National Natural Science Foundation of China (Nos. U1732276 and 51704193), the General Financial Grant from the China Postdoctoral Science Foundation (No. 2017M621431), the Science and Technology Commission of Shanghai Municipality (No. 15520711000) and Independent Research and Development Project of State Key of Advanced Special Steel, Shanghai University (SKLASS2015-Z021, SELF-2014-02).

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Authors and Affiliations

  1. State Key Laboratory of Advanced Special Steels, Shanghai University, Shanghai, 200072, China

    Qiang Li, Yun-Bo Zhong, Chu-Xiong Sun, Huai Wang, Tian-Xiang Zheng, Wei-Li Ren & Zhong-Ming Ren

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  1. Qiang Li
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  2. Yun-Bo Zhong
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  3. Chu-Xiong Sun
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Correspondence to Yun-Bo Zhong.

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Li, Q., Zhong, YB., Sun, CX. et al. Effect of Transverse Static Magnetic Field on Droplets Transient and Inclusions Evolution During the Electroslag Remelting Process of GCr15 Ingots. Acta Metall. Sin. (Engl. Lett.) 31, 1311–1316 (2018). https://doi.org/10.1007/s40195-018-0801-x

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