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http://hdl.handle.net/10397/88822
Title: | Sunflower-like solidification microstructure in a near-eutectic high-entropy alloy | Authors: | Guo, S Ng, C Liu, CT |
Issue Date: | 2013 | Source: | Materials research letters, 2013, , v. 1, no. 4, p. 228-232 | Abstract: | Considering the inherent advantages of eutectic alloys as high-temperature materials, eutectic high-entropy alloys provide a brand new research direction for developing materials to be used in high-temperature environments. Along this line of thinking, the solidification microstructure in a near-eutectic Al2CrCuFeNi2 alloy was studied. A unique sunflower-like eutectic colony structure was observed, where the Ni-Al-rich B2 phase formed as the primary phase with a spherical or ellipsoidal morphology, the Ni-Al-rich B2/Cr-rich A2 eutectics grew on the primary phase in a radial manner, and the primary B2 phase further decomposed into nearly cubic particles dispersed in the matrix at lower temperatures. | Keywords: | High-entropy alloy Eutectics Solidification microstructure Non-equilibrium solidification |
Publisher: | Taylor & Francis | Journal: | Materials research letters | EISSN: | 2166-3831 | DOI: | 10.1080/21663831.2013.844737 | Rights: | © 2013 The Author(s). Published by Taylor & Francis. This is an Open Access article distributed under the terms of the CreativeCommonsAttribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted. The following publication Sheng Guo, Chun Ng & C.T. Liu (2013) Sunflower-like Solidification Microstructure in a Near-eutectic High-entropy Alloy, Materials Research Letters, 1:4, 228-232 is available at https://dx.doi.org/10.1080/21663831.2013.844737 |
Appears in Collections: | Journal/Magazine Article |
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