| 铈对Fe3Al基合金室温力学性能的影响 |
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| 引用本文： | 郭军,张忠铧.铈对Fe3Al基合金室温力学性能的影响[J].东南大学学报(自然科学版),1995,25(5):84-90. |
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| 作者姓名： | 郭军 张忠铧 |
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| 作者单位： | 东南大学材料科学与工程系 |
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| 基金项目： | 国家863高技术资助项目 |
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| 摘 要： | 在Ｆｅ３Ａｌ中添加适量的Ｃｅ可以显著提高合金的高温强度和塑性，分析表明，这是由于Ｃｅ的加入改变了合金表面氧化层的组成，抑制或推迟了Ａｌ和环境水的反应，并且在基体中形成了许多弥散分布的富Ｃｅ相。
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| 关 键 词： | 金属间化合物 铈 力学性能 Fe3Al 室温 |
Effects of Ce on Room Temperature Mechanical Properties of Fe3Al |
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| Guo Jun,Zhang Zhonghua,Sun Yangshan,Weng Kunzhong.Effects of Ce on Room Temperature Mechanical Properties of Fe3Al[J].Journal of Southeast University(Natural Science Edition),1995,25(5):84-90. |
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| Authors: | Guo Jun Zhang Zhonghua Sun Yangshan Weng Kunzhong |
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| Abstract: | Suitable amount of cerium addition to Fe3Al-based alloys increases significantly the ductili-ty and strength at room temperature.Further study shows that cerium addition modifies the composi-tions and structure of Fe3Al oxide film,which restrains and retards the reaction of environmenal wa-ter vapour on Al.Also cerium addition results the formation of many Ce-rich precipitates dispersing inthe matrix. |
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| Keywords: | intermetallic compounds cerium mechanical properties/Fe3Al environmental brittle-ness |
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