Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12666
Title: Microstructural changes inside the lamellar structures of alloy ZA27
Authors: Zhu, YH
To, S 
Liu, XM
Lee, WB 
Keywords: Lamellar structure
Phase decomposition
Zn-Al alloys
Issue Date: 2006
Publisher: Elsevier
Source: Materials characterization, 2006, v. 57, no. 4-5, p. 326-332 How to cite?
Journal: Materials characterization 
Abstract: The microstructural changes inside the lamellar structure of the cast and aged alloy ZA27 were studied using TEM, XRD and SEM techniques. Using TEM, the network of transitional phase ηm′ was determined to be of an fcc crystal structure inside the lamellae η phase during ageing at 150 °C. The mechanism of the decomposition of the η phase lamellae can be summarized as follows: η → ηm′ + η′ → α + η. The adjacent co-existence of the ε phase and the T′ phase inside the α phase lamellae confirmed that a four phase transformation, α + ε → T′ + η, had occurred during the prolonged ageing.
URI: http://hdl.handle.net/10397/12666
ISSN: 1044-5803
DOI: 10.1016/j.matchar.2006.02.009
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