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SIMULATION OF TEMPERATURE FIELD DURING HIGH-FREQUENCY RESISTANCE HEATING-ROLLING COMPOSITE STRIP |
XIAO Nan; CHEN Haigeng;SUN Shigang; WANG Chengjun; CUI Miao;YU Jiuming |
东北大学材料与冶金学院 |
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Cite this article:
XIAO Nan; CHEN Haigeng; SUN Shigang; WANG Chengjun; CUI Miao; YU Jiuming. SIMULATION OF TEMPERATURE FIELD DURING HIGH-FREQUENCY RESISTANCE HEATING-ROLLING COMPOSITE STRIP. Acta Metall Sin, 2006, 42(9): 989-992 .
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Abstract The dynamic temperature field during roll-bonding combined with high-frequency alternating current heating has been numerically simulated by a simplified model. In the simplified model, the governing equation of heat conduction is discretized
using implicit finite difference method, and the computational domain is discretized using cell centered scheme, and the solution of Maxwell equation is used to determine the distribution of the internal heating sources. Considering the saltation of magnetic permeability of the ferromagnetic material when its temperature is more than the Curie point, the general solution of Maxwell equation is deduced. Based on our new method three kinds of composite strips (steel-Al, steel-Cu, steel-stainless steel) are performed numerically to validate the feasibility of the combination of various technical parameters.
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Received: 23 December 2005
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ZTFLH: |
TB331
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TK124
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TM154.22
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