期刊
JOURNAL OF CRYSTAL GROWTH
卷 382, 期 -, 页码 21-25出版社
ELSEVIER
DOI: 10.1016/j.jcrysgro.2013.07.028
关键词
Dendrites; Directional solidification; Computer simulation
资金
- JSPS KAKENHI [25289006]
- ISIJ Research Promotion Grant from the Iron and Steel Institute of Japan
- Grants-in-Aid for Scientific Research [25870223, 25289006] Funding Source: KAKEN
Dendrites are typical growth morphologies in alloy solidification. However, the ways in which dendrites grow and form solidification microstructures remain poorly understood. Here we show unexpected findings that reveal the survival of unfavorably oriented dendrites and highly complicated dendrite-dendrite interactions in three-dimensional space during the directional solidification of a binary alloy. These results are observed for the first time through very-large-scale phase-field computations performed by a graphics processing unit (GPU) supercomputer and a high-performance algorithm developed for parallel computing. (c) 2013 Elsevier B.V. All rights reserved.
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