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| FEM Analysis of Slab Induction Heating |
| MEI Ruibin1,LI Changsheng1,HAN Bin2,LIU Xianghua2 |
| 1. State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, Liaoning, China;2. Wuhan Iron and Steel Group Corporation, Wuhan 430081, Hubei,China |
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Abstract Induction heating of hot rolled slab at different frequency was analysed by finite element method. The results show that both frequency and slab shape have important influence on induction heating. The skin effect is not obvious at low frequency and the relation between eddy current penetration depth and frequency is δ∝ f-12. The maximum temperature is at top surface apart from symmetry axis. The maximum temperature moves to corner with the increase of frequency and proper frequency should be selected for different heating technology.The induction heating process was simulated according to a practical technology. The calculated results were compared with measured ones and the maximum deviation was lese than 4%,good enough for engineering. The analysis provides useful help for research and application of induction heating hot rolled slabs steel.
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Received: 01 January 1900
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2008, Vol. 43 
