4.7 Article

Microstructure refinement of cast TiAl alloys by β solidification

Journal

SCRIPTA MATERIALIA
Volume 51, Issue 2, Pages 113-117

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2004.03.044

Keywords

titanium aluminides; casting; solidification; fine-grained fully lamellar structure

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Microstructure refinement of TiAl alloys is realized by introducing solidification in this paper. The obtained fine-grained cast microstructures can be optimized to be fine-grained fully lamellar structures merely by a one-step heat treatment. The present study may provide an alternative and cost-effective approach for microstructure refinement of TiAl alloys. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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