| Growth morphology and evolution of quasicrystal in as-solidified Y-rich Mg-Zn-Y ternary alloys |
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| 作者姓名： | WAN Diqing YANG Gencang CHEN Sulin ZHU Man ZHOU Yaohe |
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| 作者单位： | State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi＇an 710072, China |
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| 基金项目： | 国家自然科学基金;国家航天科学基金 |
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| 摘 要： |
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| 关 键 词： | Mg-Zn-Y三重合金 准晶体 形态进化 钇元素 |
| 收稿时间： | 30 May 2006 |
| 修稿时间： | 2006-05-30 |
Growth morphology and evolution of quasicrystal in as-solidified Y-rich Mg-Zn-Y ternary alloys |
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| WAN Diqing YANG Gencang CHEN Sulin ZHU Man ZHOU Yaohe.Growth morphology and evolution of quasicrystal in as-solidified Y-rich Mg-Zn-Y ternary alloys[J].Rare Metals,2007,26(5):435-439. |
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| Authors: | WAN Diqing YANG Gencang CHEN Sulin ZHU Man ZHOU Yaohe |
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| Affiliation: | 1. Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, Urca, 22290-180 Rio de Janeiro, RJ, Brazil;2. Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1;3. Quantum Matter Institute, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4;4. Department of Physics, Oakland University, Rochester, MI 48309, USA;1. Department of Physics, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China;2. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China;3. Department of Engineering Science and Materials, University of Puerto Rico at Mayaguez, Mayaguez, PR 00681-9044, USA;1. Department of Physics, Rajshahi University, Rajshahi, Bangladesh;2. Department of Physics, Mawlana Bhashani Science and Technology University, Santosh, Tangail 1902, Bangladesh;3. International Islamic University Chittagong, 154/A College Road, Chittagong 4203, Bangladesh;1. Institute of Physical Chemistry, PAS, Warsaw, Poland;2. Max Planck Institute for Chemistry, Mainz, Germany;3. Institute of Solid State Physics RAS, Chernogolovka, Russia;1. Graduate School of Advanced Sciences of Matter, Hiroshima University, Higashi‐Hiroshima 739-8530, Japan;2. Cryogenic and Instrumental Analysis Division, N-BARD, Hiroshima University, Higashi‐Hiroshima 739-8526, Japan;1. Graduate School of Sciences and Technology for Innovation, Yamaguchi University, 2-16-1 Tokiwadai, Ube, Yamaguchi 755-8611, Japan;2. Faculty of Global and Science Studies, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8511, Japan |
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| Abstract: | A petal-like icosahedral quasicrystal with five branches,which is considered to be the representative morphology of the icosahedral quasicrystal,has been observed in the Y-rich Mg-Zn-Y ternary alloys. Moreover,the polygon-like morphology,another pattern of the icosahedral quasicrystal,has also been found in the Y-rich Mg-Zn-Y ternary alloys. The latter morphology results from the evolution of the former one. The growth mechanism of the petal-like morphology of the icosahedral quasicrystal was also discussed. Alloying composition,i.e.,Y element content,is a major factor inducing the morphology evolution of the icosahedral quasicrystal. |
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| Keywords: | Mg-Zn-Y ternary alloys icosahedral quasicrystal morphology evolution Y element |
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