| 镍基单晶合金高温蠕变变形与损伤行为 |
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| 引用本文： | 闫化锦,田素贵,董志峰.镍基单晶合金高温蠕变变形与损伤行为[J].稀有金属材料与工程,2022,51(1):44-51. |
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| 作者姓名： | 闫化锦 田素贵 董志峰 |
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| 作者单位： | 中国矿业大学(北京) 机电与信息工程学院，北京 100083;贵州工程应用技术学院 机械工程学院，贵州 毕节 551700,沈阳工业大学 材料科学与工程学院，辽宁 沈阳 110870,中国矿业大学(北京) 机电与信息工程学院，北京 100083 |
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| 基金项目： | the Natural Science foundation of China (No.51271125) and Guizhou Province (No. KY[2019]053) and (No. KY[2019]155 and KY[2019]156 and [2020]1Y198 and G[2019]9 and [2019]2 |
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| 摘 要： | 通过蠕变性能测试和组织观察,研究了镍基单晶合金在高温蠕变期间的变形和损伤行为.结果 表明,该合金在1040℃/137 MPa条件下的蠕变寿命为556 h,表现出优异的蠕变抗力.合金在稳态期间的蠕变特性是位错在γ基体中滑移和攀移越过筏状γ'相.在蠕变后期,合金的变形特征是位错剪切进入筏状γ'相,剪切γ'相的位错可以交滑移...
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| 关 键 词： | 镍基单晶合金 组织结构 蠕变 变形机制 损伤特征 |
| 收稿时间： | 2021/5/1 0:00:00 |
| 修稿时间： | 2021/6/18 0:00:00 |
Deformation and Damage Behavior of Single Crystal Nickel-based Superalloy During Elevated Temperature Creep |
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| Yan Huajin,Tian Sugui and Dong Zhifeng.Deformation and Damage Behavior of Single Crystal Nickel-based Superalloy During Elevated Temperature Creep[J].Rare Metal Materials and Engineering,2022,51(1):44-51. |
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| Authors: | Yan Huajin Tian Sugui and Dong Zhifeng |
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| Affiliation: | School of Mechanical Electronic & Information Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China;School of Mechanical Engineering, Guizhou University of Engineering Science, Bijie 551700, China,School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China,School of Mechanical Electronic & Information Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China |
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| Abstract: | |
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| Keywords: | single crystal Ni-based alloy microstructure creep deformation mechanism damage feature |
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