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Solidification of undercooled molten spinodal

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Abstract

When molten Pd40.5Ni40.5P19 is undercooled way below its liquidus Tl, liquid state spinodal decomposition is observed. Crystallization of this system is particularly interesting because it has plenty of interfaces. The microstructure of an as-crystallized specimen can be divided into four regions, namely, A: random spinodal; B: aligned and elongated spinodal; C: coarsened spinodal and island structure; and D: rod structure and ternary eutectics. The origin of these different microstructures is discussed.

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Authors and Affiliations

  1. Department of Physics, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong

    C. W. Yuen & H. W. Kui

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  1. C. W. Yuen
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  2. H. W. Kui
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Yuen, C.W., Kui, H.W. Solidification of undercooled molten spinodal. Journal of Materials Research 13, 3043–3051 (1998). https://doi.org/10.1557/JMR.1998.0416

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  • DOI: https://doi.org/10.1557/JMR.1998.0416

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