Formation and effects of banded structures in 55SiCrA spring steel wire rod

He, Xiaofei; Wang, Xinhua; Wang, Ying; Meng, Yaoqing

doi:10.1051/metal/2015041

Cited by 4 publications

(2 citation statements)

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“…The NdFeB permanent magnet was selected as the magnetic field source, and the permanent magnet was driven to rotate by a motor, thus imitating the electromagnetic magnetic field in industrial production. fecting the stability of the product [20][21][22][23]. Therefore, it is particularly important to identify an electromagnetic stirring mode that can simultaneously improve the internal quality of the billet.…”

Section: Experimental Section 21 Construction Of Pmsmentioning

confidence: 99%

“…The principle is mainly that the electromagnetic force applied to the high-temperature molten steel can greatly improve temperature and flow field, thereby reducing the superheat of the molten steel and distributing the concentrated elements [18,19]. The internal quality of the billet is mainly composed of the solidification structure and element segregation, as the above two defects are easily inherited into the pipe during the hot rolling process, thereby affecting the stability of the product [20][21][22][23]. Therefore, it is particularly important to identify an electromagnetic stirring mode that can simultaneously improve the internal quality of the billet.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Magnet Alternate Stirring on the Internal Quality of Sn-Pb Alloy

Zhang,

Bao,

Zhang

2023

Metals

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A permanent magnet stirrer was built to study the effect of different magnetic field stirring modes on the solidification quality of Sn-20 wt-% Pb alloy ingots. The internal quality of the ingot can be improved by adjusting both the stirring speed and the modes. When the continuous magnetic stirring mode was adopted, the higher the stirring speed, the higher the flutter height at the ingot edge. When the stirring speed was 200 rpm, the flutter height reached 4.12 mm. The rotating magnetic field can significantly refine the grain size of the ingot. When the stirring speed of the magnetic field was increased from 0 rpm to 200 rpm, the grain size of the ingot reduced from 301 μm to 241 μm. By fixing the magnetic field stirring speed to 200 rpm and adjusting the mode to the alternate stirring process, the flutter height at the ingot edge reduced to 1.86 mm, which stabilized the liquid level of the molten alloy in the crucible. In addition, the grain size of the ingot was shortened to 223 μm, and the elemental homogeneity within the ingot was optimized.

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Section: Experimental Section 21 Construction Of Pmsmentioning

confidence: 99%