| Formation and Oxidation Behavior of Al—Cu—Fe Quasicrystal |
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| 引用本文： | ChungenZHOU HuibinXU 等.Formation and Oxidation Behavior of Al—Cu—Fe Quasicrystal[J].材料科学技术学报,2002,18(3):251-253. |
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| 作者姓名： | ChungenZHOU HuibinXU |
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| 作者单位： | [1]DepartmentofMaterialsScienceandEngineering,BeijingUniversityofAeronauticsandAstronautics,Beijing100083,China [2]DepartmentofMaterialsScienceandEngineering,BeijingUniversityofAeronauticsandAstronautics,Be |
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| 摘 要： | Al62.5Cu25Fe12.5 alloy was prepared by arc melting .It was found that the formation of quasicrystalline phase is related to the condition of annealing,such as temperature and duration.Weight gain of Al-Cu-Fe quasicrystal during the oxidation at 700 and 800℃ in dry air was measured by means of thermal balance.The oxidation kinetics showed that the quasicrystal has good oxidation resistance.Only α-Al2O3 was formed on Al62.5Cu25Fe12.5 quasicrystal.The surface morphologies of Al-Cu-Fe quasicrystal after isothermal oxidation for different times were observed.
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| 关 键 词： | 铝 铜 铁 晶体 结构 氧化行为 组成 |
Formation and Oxidation Behavior of Al-Cu-Fe Quasicrystal |
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| Chungen ZHOU,Huibin XU,Shengkai GONG,Guangming KANG.Formation and Oxidation Behavior of Al-Cu-Fe Quasicrystal[J].Journal of Materials Science & Technology,2002,18(3):251-253. |
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| Authors: | Chungen ZHOU Huibin XU Shengkai GONG Guangming KANG |
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| Affiliation: | Department of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | Al62.5Cu25Fe12.5 alloy was prepared by arc melting. It was found that the formation of quasicrystalline phase is related to the condition of annealing, such as temperature and duration. Weight gain of Al-Cu-Fe quasicrystal during the oxidation at 700 and 800 C in dry air was measured by means of thermal balance. The oxidation kinetics showed that the quasicrystal has good oxidation resistance. Only α-Al2O3 was formed on Al62.5Cu25Fe12.5 quasicrystal. The surface morphologies of Al-Cu-Fe quasicrystal after isothermal oxidation for different times were observed. |
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| Keywords: | Al-Cu-Fe quasicrystal Oxidation Morphology |
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