期刊
MATERIALS CHARACTERIZATION
卷 59, 期 6, 页码 693-699出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.matchar.2007.05.025
关键词
phase transformations; eutectic solidification; composites; intermetallic compounds; three-dimensional reconstruction
in this work, the microstructure of an Al3Nb-Nb2Al-AlNbNi ternary eutectic obtained by directional solidification was analyzed. Because the phase arrangement of this eutectic is highly complex, this study involved a three-dimensional reconstruction of the microstructure using the serial sectioning technique. The visualization of the reconstructed microstructure revealed that the fibers possessed a high degree of sinuosity. Although these fibers were continuous in the growth direction, they displayed a tendency to move back and forth across a central axis. (C) 2007 Elsevier Inc. All rights reserved.
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