The Role of Recrystallization in Spontaneous Grain Refinement of Rapidly Solidified Ni₃Ge

Abstract

The congruently melting intermetallic β-Ni₃Ge has been subject to rapid solidification via drop-tube processing. Droplets spanning the size range 75 to 53 μm, with corresponding cooling rates of 23,000 to 42,000 K s−1, have been found to undergo spontaneous grain refinement by recrystallization and recovery. Outside of this relatively narrow size range, the primary solidification morphology is retained, either dendritic for larger particles or dendritic seaweed for smaller particles.

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Item Type:	Article
Authors/Creators:	Haque, N https://orcid.org/0000-0002-0271-9209 Cochrane, RF Mullis, AM
Copyright, Publisher and Additional Information:	© The Author(s) 2017. Open Access: This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Dates:	Accepted: 13 February 2017 Published (online): 16 August 2017 Published: 1 November 2017
Institution:	The University of Leeds
Academic Units:	The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Chemical & Process Engineering (Leeds)
Depositing User:	Symplectic Publications
Date Deposited:	17 Aug 2017 08:45
Last Modified:	26 Jan 2018 16:37
Status:	Published
Publisher:	Springer
Identification Number:	10.1007/s11661-017-4290-8
Open Archives Initiative ID (OAI ID):	oai:eprints.whiterose.ac.uk:120271

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The Role of Recrystallization in Spontaneous Grain Refinement of Rapidly Solidified Ni₃Ge

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