Journal
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume 36, Issue 3, Pages 943-947Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2015.10.011
Keywords
MAX phase; X-ray diffraction; Reactive hot pressing; Hydrides
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Funding
- Agency for Innovation by Science and Technology (IWT), Flanders, Belgium [131081]
- European Atomic Energy Community's (Euratom) Seventh Framework Programme [604862]
- Hercules Foundation [ZW09-09]
- Swedish Government
- Swedish Government Strategic Research Area Grant in Materials Science (MAT-LiU)
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Herein we report, for the first time, on the synthesis and structural characterization of the Zr-based MAX phase, Zr3AlC2, fabricated by reactive hot pressing of ZrH2, Al, and C powders. The crystal structure of Zr3AlC2 was determined by X-ray diffraction and high resolution transmission electron microscopy to be the hexagonal space group P63/mmc. The a and c lattice parameters are 3.33308(6)angstrom and 19.9507(3)angstrom, respectively. The samples include the secondary phases ZrC and Zr-Al intermetallics as confirmed by quantitative electron probe microanalysis. The Vickers hardness, using a force of 30 N, was measured to be 4.4 +/- 0.4 GPa. (C) 2015 Elsevier Ltd. All rights reserved.
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