Microstructure Evolution and Mechanical Properties Improvement in Magnetic-controlled Electroslag Remelted Bearing Steel

Published on Nov 15, 2020in Isij International1.405
· DOI :10.2355/ISIJINTERNATIONAL.ISIJINT-2020-173
Qiang Li5
Estimated H-index: 5
(SHU: Shanghai University),
Zhibin Xia3
Estimated H-index: 3
(SHU: Shanghai University)
+ 3 AuthorsYunbo Zhong20
Estimated H-index: 20
(SHU: Shanghai University)
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20203.06Materials
7 Authors (Kexin Kang, ..., Qingjie Sun)
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#1Yifeng Guo (SHU: Shanghai University)H-Index: 4
#2Zhibin Xia (SHU: Shanghai University)H-Index: 3
Last. Yunbo Zhong (SHU: Shanghai University)H-Index: 20
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Abstract null null Detailed three-dimensional (3D) microtomography characterizations of inclusions in electrode matrix, mushy zone (MZ) and liquid melt film (LMF) were performed to elucidate the motion and removal behavior of inclusions in electrode tip during magnetically controlled electroslag remelting (MC-ESR) process. A transient 2D numerical model was also built to verify the experimental results and proposed mechanisms. The number and size of inclusions exhibited an obvious increasing tre...
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#1Yifeng Guo (SHU: Shanghai University)H-Index: 4
#2Chengkuan Ma (SHU: Shanghai University)
Last. Yunbo Zhong (SHU: Shanghai University)H-Index: 20
view all 10 authors...
The current study focuses on the influences of magnetic flux density (MFD) on liquid melt film (LMF) morphology and inclusion removal during magnetic controlled electroslag remelting (MC-ESR) process (GCr15 bearing steel). The average thickness of LMF was reduced by 21.0, 33.0 and 41.3 pct, respectively, after applying a 35, 65 and 95 mT transverse static magnetic field (TSMF). This phenomenon can be attributed to the accelerated dynamic process (LMF aggregating to form droplet and droplet dripp...
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