| FeAl基合金的高温抗氧化性能分析 |
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| 引用本文： | 刘祥荣,张树增,姜锦程. FeAl基合金的高温抗氧化性能分析[J]. 热加工工艺, 2009, 38(20) |
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| 作者姓名： | 刘祥荣 张树增 姜锦程 |
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| 作者单位： | 1. 北京化工大学化学工程学院,北京,100029
2. 北京科技大学材料科学与工程学院,北京,100083 |
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| 摘 要： | 设计了二组化学成分不同的FeAl基合金,进行了1000℃的高温氧化试验,并对其进行了分析.结果表明,含碳量较高的材质较普通FeAl基合金的硬度高;B元素改善品界脆性,Zr使晶界同溶强化,提高了材料的冲击韧度和抗托强度;1000℃下,含碳量较低的FeAl基合金呈完全抗氧化性,其循环氧化动力学曲线均服从抛物线规律.
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| 关 键 词： | FeAl基合金 抗氧化性能 |
Analysis on Oxidation Resistance of FeAl System Alloy at High-temperature |
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| LIU Xiangrong,ZHANG Shuzeng,JIANG Jincheng. Analysis on Oxidation Resistance of FeAl System Alloy at High-temperature[J]. Hot Working Technology, 2009, 38(20) |
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| Authors: | LIU Xiangrong ZHANG Shuzeng JIANG Jincheng |
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| Abstract: | The two kinds of FeAl system with different chemical composition were designed, and its properties of oxidation resistance were analyzed by oxidation test at 1000 ℃. The results show that the material containing high percentage of carbon has higher hardness than ordinary FeAl system alloy; B element can improve grain boundary embrittlement, Zr makes the grain boundary solution-strengthen, the impact toughness and tensile strength of the alloy are improved. FeAl alloy with less C content has complete oxidation resistance below 1000℃, and its oxidation kinetic curve obeys parabola law. |
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| Keywords: | FeAl system alloy oxidation resistance |
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