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| A CRITERION OF CELL-DENDRITE TRANSITION IN UNIDIRECTIONAL SOLIDIFICATION OF BINARY ALLOYS |
| by ZHANG Chengfu; XIAO Liming; LIU Reixiang; LI Sheng (Huazhong University of Science and Technology; Wuhan) |
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Cite this article:
by ZHANG Chengfu; XIAO Liming; LIU Reixiang; LI Sheng (Huazhong University of Science and Technology; Wuhan). A CRITERION OF CELL-DENDRITE TRANSITION IN UNIDIRECTIONAL SOLIDIFICATION OF BINARY ALLOYS. Acta Metall Sin, 1986, 22(4): 138-140.
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Abstract A criterion of the cell-dendrite transition in the unidirectional solidification rate, R, of single phase binary alloys was proposed as R>2D_L/λ, where D_L is diffusion coefficient in liquid and λ is distance between principal branches of cells and dendrites. The experimental verification was made of the Al-Cu alloy by the authers and of the previous data collected.
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Received: 18 April 1986
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1 Flemings, M.C., Solidification Processing, McGraw-Hill, New York, 1974, p. 83．
2 椙山正孝;梅田高照;加藤宽,日本金属学会誌,38(1974) ,1．
3 MacCartney, D.G.; Hunt, J.D., Acta Metall., 29 (1981) , 1851. |
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