Effect of axial static magnetic field on cleanliness and microstructure in magnetically controlled electroslag remelted bearing steel

Li, Qiang; Xia, Zhibin; Guo, Yifeng; Shen, Zhe; Zheng, Tianxiang; Ding, Biao

doi:10.1007/s42243-021-00657-4

Cited by 5 publications

(2 citation statements)

References 39 publications

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“…Electroslag remelting (ESR) was developed rapidly in the 1960s as a secondary refining technology. Such a method can effectively control the inclusions, such as their size, quantity, shape, and distribution, thereby improving the solidification microstructure [ 64 , 81 , 82 , 83 , 84 , 85 ]. During the ESR process, deoxidation plays a crucial role as it effectively reduces the number of inclusions and hinders the formation of new ones.…”

Section: Development In Microstructure Manipulation and Strengthening...mentioning

confidence: 99%

Development Trend in Composition Optimization, Microstructure Manipulation, and Strengthening Methods of Die Steels under Lightweight and Integrated Die Casting

Bao,

Yang,

Dong

et al. 2023

Materials

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In the general environment of lightweight automobiles, the integrated die-casting technology proposed by Tesla has become the general mode to better achieve weight reduction in automobiles. The die-casting mold required by integrated die-casting technology has the characteristics of large scale and complexity. Hence, higher requirements are put forward for the comprehensive performance of the die steel. Despite the stagnation in the progress of conventional strengthening methods, enhancing the performance of die steel has become increasingly challenging. Indeed, it necessitates exploring novel die steel and optimizing heat treatment and reinforcement technologies. This article summarizes and analyzes the development status of die steel and corresponding heat treatment and microstructure manipulation as well as strengthening methods and elaborates on an excellent nano-strengthening technology. Furthermore, this review will aid researchers in establishing a comprehensive understanding of the development status of die steel and the processes utilized for its strengthening. It will also assist them in developing die steel with improved comprehensive performance to meet the high demand for mold steel in the integrated die-casting technology of the new era.

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Section: Development In Microstructure Manipulation and Strengthening...mentioning

confidence: 99%

Development Trend in Composition Optimization, Microstructure Manipulation, and Strengthening Methods of Die Steels under Lightweight and Integrated Die Casting

Bao,

Yang,

Dong

et al. 2023

Materials

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show abstract

“…However, due to the substantial shielding impact created by the copper mold, it is challenging to modify the conventional ESR procedure using an alternating magnetic field. Zhong et al [ 24,25 ] discovered that adding a static magnetic field to the conventional ESR technique reduced the shielding effect and improved the microstructure. Herein, the effect of transverse static magnetic field (TSMF) superposition on the morphology of eutectic carbides during solidification is considered, and the influence of TSMF on the refinement mechanism of eutectic carbides in a Cr8 ingot is investigated.…”

Section: Introductionmentioning

confidence: 99%

Morphology Refinement of Eutectic Carbides Assisted by Static Magnetic Field during Laboratory Electroslag Remelting Process

Ma,

Xia,

Sun

et al. 2023

steel research int.

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A transverse static magnetic field (TSMF) is implemented in a laboratory electroslag remelting (ESR) experiment to control eutectic carbides morphology of Cr8 die steel herein. Under action of a TSMF, the temperature distribution of the molten pool becomes homogeneous, the local solidification time is shortened, and the interdendritic region space shrinks, which result in an evenly spaced distribution of solute atoms and a reduction in interdendritic segregation. Therefore, the formation and subsequent growth of eutectic carbides are further inhibited, thereby causing the generation of smaller and more uniform distributed eutectic carbides due to the application of the TSMF. Moreover, the increase of the number of Al2O3–(Ti,V)N inclusions serves to be the heterogeneous nucleus of carbides (inclusions also become finer) caused by TSMF, which also contributes to the refinements of eutectic carbides in Cr8 ingots.

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Unraveling the Influence of Static Magnetic Field on Carbide Precipitation and Mechanical Properties in Large-Scale H13 Hot Work Die Steel

Ma,

Zhang,

Zhang

et al. 2024

Metall Mater Trans B

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Effect of axial static magnetic field on cleanliness and microstructure in magnetically controlled electroslag remelted bearing steel

Cited by 5 publications

References 39 publications

Development Trend in Composition Optimization, Microstructure Manipulation, and Strengthening Methods of Die Steels under Lightweight and Integrated Die Casting

Development Trend in Composition Optimization, Microstructure Manipulation, and Strengthening Methods of Die Steels under Lightweight and Integrated Die Casting

Morphology Refinement of Eutectic Carbides Assisted by Static Magnetic Field during Laboratory Electroslag Remelting Process

Unraveling the Influence of Static Magnetic Field on Carbide Precipitation and Mechanical Properties in Large-Scale H13 Hot Work Die Steel

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