MATEC Web of Conferences
Volume 14, 2014EUROSUPERALLOYS 2014 – 2nd European Symposium on Superalloys and their Applications
|Number of page(s)||5|
|Section||Posters: Process Microstructure Interactions|
|Published online||29 August 2014|
Effect of solidification parameters on the secondary dendrite arm spacing in MAR M-247 superalloy determined by a novel approach
1 IMDEA Materials Institute, C/ Eric Kandel 2, 28906 Getafe, Madrid, Spain
2 Precicast Bilbao, S.A. El Barracón 1, 48901 Barakaldo (Bizkaia), Spain
a Corresponding author: email@example.com
The effect of solidification parameters on the secondary dendrite arm spacing in a MAR-M247 Ni-based superalloy has been studied by a novel approach, based on physical simulation of melting/solidification experiment with a constant cooling rate and variable temperature gradient. The applied experimental method proved to be efficient as it yielded a spread of microstructures corresponding to a range of well controlled solidification rates in a single melting/solidification experiment. In addition, it has been demonstrated that secondary dendrite arm spacing is better related to the solidification rate than to the cooling rate in the case when significant variations of thermal parameters during the solidification process occur.
© Owned by the authors, published by EDP Sciences, 2014
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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