Quasicrystals in as-cast Mg-Zn-RE alloys |
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| Affiliation: | 1. Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. A. Mickiewicza 30, Krakow 30-059, Poland;2. Federal Institute for Materials, Research and Testing (BAM), Unter den Eichen 87, Berlin 12205, Germany;3. TU Bergakademie Freiberg, Institute for Mineralogy, Brennhausgasse 14, Freiberg, 09596 Germany;4. Technical University Chemnitz, Department of Mathematics, Reichenhainer Straße 39, Chemnitz 09126, Germany;5. Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland;6. Faculty of Metals and Industrial Computer Science, AGH University of Science and Technology, al. A. Mickiewicza 30, Krakow 30-059, Poland;7. Department of Physics, SUPA, University of Strathclyde, Glasgow G4 0NG, United Kingdom |
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| Abstract: | We have observed the icosahedral quasicrystals in the Zn- and rare earths-containing Mg alloys. The quasicrystals in these alloys contains Mg, Zn and rare earths elements. Three crystal phases, i.e. W phase, W′ phase and MgZn2-type Laves phase, coexist with the quasicrystals in this kind of alloys. XRD analysis suggest that the quasicrystals in experimental alloys may have the same structure but different compositions to those in the Mg-Al-Zn 5] and Ga-Mg-Zn 6] alloys. |
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