| 氢在Fe3Al基合金中的渗透行为 |
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| 引用本文： | 谭晓华,万晓景,TAN Xiao-hua,WAN Xiao-jing.氢在Fe3Al基合金中的渗透行为[J].上海大学学报(英文版),2000,4(3). |
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| 作者姓名： | 谭晓华 万晓景 TAN Xiao-hua WAN Xiao-jing |
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| 作者单位： | TAN Xiao hua，WAN Xiao jing School of Material Science and Engineering，Shanghai University，Shanghai 200072，China |
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| 基金项目： | Supported by the National Natural Science Foundation of China!
( 5 9895 1 5 7) |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ ＩｒｏｎａｌｕｍｉｎｉｄｅｓｂａｓｅｄｏｎＦｅ3 Ａｌｈａｖｅｍａｎｙａｄｖａｎｔａｇｅｓｆｏｒｓｔｒｕｃｔｕｒａｌｕｓｅｓａｔｅｌｅｖａｔｅｄｔｅｍｐｅｒａｔｕｒｅｂｅｃａｕｓｅｏｆｔｈｅｉｒｅｘｃｅｌｌｅｎｔｃｏｒｒｏｓｉｏｎｒｅｓｉｓｔａｎｃｅａｎｄｒｅｌａｔｉｖｅｌｙｌｏｗｍａｔｅｒｉａｌｃｏｓｔ.Ｈｏｗｅｖｅｒ,ｔｈｅｓｅａｌｌｏｙｓｈａｖｅｎｏｔｙｅｔｆｏｕｎｄｗｉｄｅｓｐｒｅａｄｕｓｅｂｅｃａｕｓｅｔｈｅｙｅｘｈｉｂｉｔｐｏｏｒｄｕｃｔｉｌｉｔｙａｎｄｂｒ…
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Hydrogen Permeation Behavior in Fe3Al-Based Alloy |
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| TAN Xiao-hua,WAN Xiao-jing.Hydrogen Permeation Behavior in Fe3Al-Based Alloy[J].Journal of Shanghai University(English Edition),2000,4(3). |
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| Authors: | TAN Xiao-hua WAN Xiao-jing |
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| Abstract: | Ultra-high vacuum gaseous hydrogen permeation experiments on Fe3Al-based alloy were performed in the temperature range of 330 ～450℃ with an upstream hydrogen pressure between 3.38 × 104 Pa and 7.28 × 104 Pa. The results show that the hydrogen diffusivity and permeability in Fe3Al-based alloy obey Arrhenius relationship in the experimental temperature range and the hydrogen permeation process is controlled by the lattice diffusion of hydrogen at relative high temperature. The activation energy of hydrogen diffusion in the Fe3Albased alloy was found to be 75 kJ/mol. |
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| Keywords: | Fe 3Al based alloy hydrogen diffusivity hydrogen permeability activation energy |
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