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Phase-field simulation of Non-Isothermal dendritic growth of NiCu alloy

Wang Ming-Guang Zhao Yu-Hong Ren Juan-Na Mu Yan-Qing Wang Wei Yang Wei-Ming Li Ai-Hong Ge Hong-Hao Hou Hua

Phase-field simulation of Non-Isothermal dendritic growth of NiCu alloy

Wang Ming-Guang, Zhao Yu-Hong, Ren Juan-Na, Mu Yan-Qing, Wang Wei, Yang Wei-Ming, Li Ai-Hong, Ge Hong-Hao, Hou Hua
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Publishing process
  • Received Date:  28 October 2010
  • Accepted Date:  22 November 2010
  • Published Online:  05 February 2011

Phase-field simulation of Non-Isothermal dendritic growth of NiCu alloy

  • 1. Material Science and Engineering College,North University of China, Taiyuan 030051, China

Abstract: Phase-field model is used and The dendrite growth of a Ni-40.83%Cu binaryalloy under were simulated by the model coupled with solute field and temperature field.The effects of solidification latent heat on the growth of equiaxed dendrite, distribution of solute field and temperature field in undercooled liquid alloy were analyzed.The results indicate that the dendritic has well-developed secondary arms as undercooling degree increases.Correspondently, the solute Peclet number and the tip speed increases, the tip radius decreases, and the solute segregation in solid-liquid interface increases. The results agree well with Ivantsov theory.

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