| 铝合金深冷处理研究概况 |
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| 引用本文： | 刘阳样,晋芳伟. 铝合金深冷处理研究概况[J]. 中国材料科技与设备, 2009, 6(3): 81-83 |
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| 作者姓名： | 刘阳样 晋芳伟 |
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| 作者单位： | 云南农业大学工程技术学院,云南昆明650201 |
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| 基金项目： | 云南农业大学博士科研启动专项基金资助项目（A2002131） |
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| 摘 要： | 铝合金的深冷处理工艺主要有快冷、慢冷及循环处理三种。深冷处理后，铝合金的组织和性能通常得到改善，改善程度与合金成分及深冷工艺有关。铝合金的深冷强化机制有别于黑色金属及其合金；目前有位错、亚晶、晶粒转动等理论假说。
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| 关 键 词： | 铝合金 深冷处理 组织 力学性能 机理 |
Situation of the Researches on Deep Cryogenic Treatment for Aluminum Alloys |
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| LIU Yang-yang,JIN Fang-wei. Situation of the Researches on Deep Cryogenic Treatment for Aluminum Alloys[J]. Chinese Materials Science Technology & Equipment, 2009, 6(3): 81-83 |
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| Authors: | LIU Yang-yang JIN Fang-wei |
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| Affiliation: | (Faculty of Engineering and Technology, Yunnan Agricultural University, Yunnan, Kunming, 650201, China) |
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| Abstract: | Abstract：There mainly were three kinds of procedures of deep cryogenic treatment on aluminum alloys, namely, rapid, slow and cyclic cool treatments. The microstructures and properties of aluminum alloys can be generally improved after the treatment, and the improvement was in connection with the composition and cryogenic process of the alloys. The strengthening mechanism of the cryogenic treatment on aluminum alloys was different from one of the ferrous metals and its alloys. It has been proposed that the theoretical assumptions of dislocation whipping, sub grain and grain rotation at the present time. |
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| Keywords: | Aluminum alloy Deep cryogenic treatment Microstructures Mechanical properties Mechanism |
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