Determination of Solid Fraction from Cooling Curve |
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Authors: | Junfeng Xu Feng Liu Xiaolong Xu Yuzeng Chen |
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Affiliation: | (1) State Key Laboratory of Solidification Processing, Northwestern Polytechnic University, Xi’an, Shaanxi, 710072, P.R. China;; |
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Abstract: | A new method to determine directly the solid fraction using the cooling curve was proposed for solidification of undercooled
melts. Then, to construct three different baselines, a sudden function ξ
α
(x) is introduced. In terms of the ξ
α
(x) function, accordingly, the solid fractions during solidification of Ni-3.3 wt pct B, Al-7 wt pct Si, Al-14 wt pct Cu, and
Fe-4.56 wt pct Ni alloys were predicted. The predictions of the primary, the regular lamellar eutectic, the anomalous eutectic,
and the peritectic phases from cooling curves of the solidified samples coincide with the results of measurement or the available
methods. |
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Keywords: | |
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