| 环境条件下Ni3Al类型金属间化合物的疲劳行为 |
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| 引用本文： | 徐颖 姚戈. 环境条件下Ni3Al类型金属间化合物的疲劳行为[J]. 上海金属, 1996, 18(3): 20-23 |
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| 作者姓名： | 徐颖 姚戈 |
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| 作者单位： | 上海交通大学!200030(徐颖，孙宝德，吴建生，赵翰燮，林栋梁)，中科院金属研究所(姚戈，贡文库，王中光) |
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| 摘 要： | 综述近年来Ni_3Al类型金属间化合物疲劳行为的研究进展，着重讨论了温度和介质对材料疲劳性能的影响。氢和水蒸汽的存在促进了裂纹的扩展；试验温度的升高使Ni_3Al类型合金的疲劳裂纹扩展速率增大。
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| 关 键 词： | 金属间化合物 疲劳行为 环境因素 |
FATIGUE BEHAVIOR OF INTERMETTALLIC COMPOUND OF ORDERED Ni_3Al-TYPE ALLOYS IN ENVIRONMENTAL CONDITION |
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| Xu Ying, Sun Baode, Wu Jiansheng, Zhao Hanxie, Lin Dongliang. FATIGUE BEHAVIOR OF INTERMETTALLIC COMPOUND OF ORDERED Ni_3Al-TYPE ALLOYS IN ENVIRONMENTAL CONDITION[J]. Shanghai Metals, 1996, 18(3): 20-23 |
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| Authors: | Xu Ying Sun Baode Wu Jiansheng Zhao Hanxie Lin Dongliang |
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| Abstract: | Recent studies of fatigue behavior of NlaAl-type ordered alloys undcr bothcontrolled stress and strain condltions were reviewed. Effects of temperature and medium onfatigue, property of metarials were mainly discussed. The existence of hydrogen or moisturcpromoted crack growth behavior of Ni,Al base alloy. Crack growth ratc in these alloys wasenhanced with temperature increasing. |
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| Keywords: | Intermetallic Compound Fatigue Environmental Factor |
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