Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15315
Title: Directional recrystallization and microstructures of an Fe-6.5wt%Si alloy
Authors: Zhang, Z
Chen, G
Bei, H
Li, F
Ye, F
Chen, G
Liu, CT
Issue Date: 2009
Publisher: Cambridge University Press
Source: Journal of materials research, 2009, v. 24, no. 8, p. 2654-2660 How to cite?
Journal: Journal of materials research 
Abstract: Directional recrystallization of an Fe-6.5wt%Si alloy was investigated by changing hot zone temperatures and growth rates. Elongated (columnar) grains with an aspect ratio more than 10 can be produced when growth parameters are carefully adjusted. It was found that at a fixed growth rate, the grain length and aspect ratio increase with increased hot zone temperatures. At a fixed hot zone temperature, there is a critical growth rate at which columnar grains have the largest average aspect ratio. Below or above this growth rate, the aspect ratio decreases. Texture and grain orientation analysis showed that the preferentially selective growth to form columnar grains was favored by the formation of low-energy surfaces and grain boundaries.
URI: http://hdl.handle.net/10397/15315
ISSN: 0884-2914
EISSN: 2044-5326
DOI: 10.1557/jmr.2009.0303
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