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Thermal gradient induced sidebranching in directional solidification

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The European Physical Journal B - Condensed Matter and Complex Systems Aims and scope Submit manuscript

Abstract:

The effect of thermal gradient on sidebranching is studied experimentally in directional solidification of impure succinonitrile. An experimental procedure capable of changing thermal gradient while keeping pulling velocity and cell-spacing constant is applied. It enables us to directly observe the effect on sidebranching of the sole change of thermal gradient. It is found that increase of thermal gradient enhances sidebranch amplitude and reduces sidebranching onset.

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Authors and Affiliations

  1. Faculté de Saint-Jérôme, IRPHE(UMR 6594 CNRS), Universités Aix-Marseille I & II,S.252, 13397, Marseille Cedex 20, France

    M. Georgelin & A. Pocheau

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  1. M. Georgelin
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  2. A. Pocheau
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Received: 22 December 1997 / Revised: 31 March 1998 / Accepted: 2 April 1998

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Georgelin, M., Pocheau, A. Thermal gradient induced sidebranching in directional solidification. Eur. Phys. J. B 4, 169–174 (1998). https://doi.org/10.1007/s100510050365

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  • DOI: https://doi.org/10.1007/s100510050365

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