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| Experimental Study on Mold Oscillation-Less Continuous Casting Process Under High Frequency Amplitude-Modulated Magnetic Field |
| LEI Zuosheng; REN Zhongming; YAN Yonggang; DENG Kang |
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Cite this article:
LEI Zuosheng; REN Zhongming; YAN Yonggang; DENG Kang. Experimental Study on Mold Oscillation-Less Continuous Casting Process Under High Frequency Amplitude-Modulated Magnetic Field. Acta Metall Sin, 2004, 40(9): 995-999 .
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Abstract A high frequency amplitude-modulated magnetic field (AMMF) generator
that can produce rectangle, triangle and sine waves has been
invented, and the magnetic field inducted in the mold by the
generator was measured. The amplitude-modulated magnetic
field has been applied in mold oscillation-less
electromagnetic continuous casting (MOLECC) process,
the experiment results show that
under rectangle, triangle and sine
wave AMMF, when the modulated wave frequency is a little less
then the intrinsic frequency of the experimental system the
intermittent contacting distance is the greatest,
the mold flux lubricating is the best, the continuous
casting withdraw resistance is the least and the surface
quality of billets is better relatively. Among
the three wave types, the sine wave is better than
the rectangle and triangle waves for deducing
the withdraw resistance and improving the billets surface quality.
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Received: 28 August 2003
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