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A PARAMETER FOR EVALUATING ABILITY OF GRAIN REFINEMENT OF SOLUTE ELEMENTS |
HAN Qingyou;HU Hanqi Beijing University of Iron and Steel Technology |
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Cite this article:
HAN Qingyou;HU Hanqi Beijing University of Iron and Steel Technology. A PARAMETER FOR EVALUATING ABILITY OF GRAIN REFINEMENT OF SOLUTE ELEMENTS. Acta Metall Sin, 1988, 24(5): 392-396.
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Abstract The gradient of the equilibrium melting temperature on liquid side ofadvancing solid-liquid interface has been derived. From it, a parameter, H, used forevaluating the ability of grain refinement of solute elements has been proposed.Experiments on Al-base alloys show that the grain size of alloys decrease withincreasing H value. This indicates that parameter H can be used as an index forselecting the grain refiners.
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Received: 18 May 1988
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