Volume 76, Number 2, October 2006
|Page(s)||291 - 297|
|Section||Condensed matter: structural, mechanical and thermal properties|
|Published online||08 September 2006|
Crystal anisotropy and growth directions in directional solidification
IRPHE, Universités Aix-Marseille I & II, CNRS, Technopôle de Château-Gombert 49 rue Joliot-Curie, B.P. 146, F-13384 Marseille, Cedex 13, France
Accepted: 17 August 2006
In directional solidification, the growth directions of cells and dendrites into the melt vary with the pulling velocity from the direction of the thermal gradient to that of a principal crystalline axis. We experimentally determine them in a succinonitrile alloy in the whole available range of variables. Data reveal a non-linear collapse onto a master curve that synthetizes the orientational response of cells and dendrites to the growth conditions.
PACS: 68.70.+w – Whiskers and dendrites (growth, structure, and nonelectronic properties) / 81.10.Aj – Theory and models of crystal growth; physics of crystal growth, crystal morphology, and orientation / 81.30.Fb – Solidification
© EDP Sciences, 2006
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