Lamella structure formation in drop-tube processed Ni-25.3 at.% Si alloy
Cao, L, Cochrane, RF and Mullis, AM
(2015)
Lamella structure formation in drop-tube processed Ni-25.3 at.% Si alloy.
Journal of Alloys and Compounds, 615 (S1).
S599 - S601.
ISSN 0925-8388
Abstract
Rapid solidification experiments have been performed on an Ni-25.3 at.% Si alloy using drop tube techniques. The dominant phase formed is found to be Ni25Si9, with Ni31Si12 and β1-Ni3Si also being present. SEM and TEM analysis revealed a novel eutectic structure consisting of lamellar of metastable Ni25Si9 and β1-Ni3Si, the width of these being around 200 nm and 20 nm respectively. This result indicates that there is a possible eutectic reaction for the Ni25Si9 and β1-Ni3Si phases existing in the metastable phase diagram.
Metadata
Authors/Creators:
Cao, L
Cochrane, RF
Mullis, AM
Copyright, Publisher and Additional Information:
(c) 2014 Elsevier B.V. All rights reserved. NOTICE: this is the author’s version of a work that was accepted for publication in Journal of Alloys and Compounds. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Alloys and Compounds, 615, Suppl.1, (2014) DOI 10.1016/j.jallcom.2013.11.233
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