Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/6930
Title: Electropulsing-induced phase transformations in a Zn–Al-based alloy
Authors: Zhu, Y
To, S 
Lee, WB 
Liu, X
Jiang, Y
Tang, G
Keywords: Alloy
Electromigration
Phase transformation
Issue Date: Aug-2009
Publisher: Cambridge University Press
Source: Journal of materials research, Aug. 2009, v. 24, no. 8, p. 2661-2669 How to cite?
Journal: Journal of materials research 
Abstract: Microstructural changes and phase transformations of an electropulsing-treated (EPT) ZA22 alloy wire were studied using scanning electron microscopy and transmission electron-microscopy techniques. Two stages of phase transformation were detected in the EPT alloy: (i) quenching from the as furnace-cooled (FC) state to the final stable state and (ii) up-quenching from the final stable state back to the as FC state through two reverse phase transformations: T′ + η → α + ε and η′[sub T] + ε + α → η′[sub FC]. Electropulsing accelerated phase transformation tremendously. It was at least 1200 times faster than the aging process. The mechanism of the electropulsing-induced phase transformations is discussed from the point of view of Gibbs free energy and electropulsing kinetics.
URI: http://hdl.handle.net/10397/6930
ISSN: 0884-2914 (print)
2044-5326 (EISSN)
DOI: 10.1557/jmr.2009.0300
Rights: © 2009 Materials Research Society
The following article "Yaohua Zhu, Sandy To, Wing B. Lee, Xingming Liu, Yanbin Jiang and Guoyi Tang (2009). Electropulsing-induced phase transformations in a Zn–Al-based alloy. Journal of Materials Research, 24(8), pp 2661-2669. doi:10.1557/jmr.2009.0300." is available at http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=7949893
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