| 单晶镍基高温合金超高温蠕变期间的变形机制 |
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| 引用本文： | 赵国旗,田素贵,刘丽荣,田宁,晋芳伟. 单晶镍基高温合金超高温蠕变期间的变形机制[J]. 稀有金属材料与工程, 2022, 51(1): 52-59 |
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| 作者姓名： | 赵国旗 田素贵 刘丽荣 田宁 晋芳伟 |
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| 作者单位： | 沈阳工业大学 材料科学与工程学院，辽宁 沈阳 110870;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,沈阳工业大学 材料科学与工程学院，辽宁 沈阳 110870,贵州工程应用技术学院 机械工程学院，贵州 毕节 551700,贵州工程应用技术学院 机械工程学院，贵州 毕节 551700 |
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| 基金项目： | Science and Technology Foundation Project of Guizhou province (No.qiankehejichu[2020]1Y198, No.qiankehezhicheng[2019]2870), Projects of Liaoning Natural Science Foundation(No.2020-Ms-212), Science and Technology Project of Bijie City(No.bikehezi[2019]2), Characteristic Key Laboratory of University of Guizhou province (No.qianjiaoheKYzi[2019]053) |
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| 摘 要： | 通过蠕变性能测试及组织形貌观察,研究了6％Re-5％Ru(质量分数)单晶镍基高温合金的超高温蠕变行为和变形机制.结果 表明,该合金在1160℃/120 MPa条件下的蠕变寿命为206 h.稳态蠕变期间,位错在基体中滑移和攀移越过筏状γ'相是合金的变形特征,基体中溶解的高浓度难熔元素可增加位错运动阻力.蠕变后期,切入筏状...
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| 关 键 词： | 单晶镍基合金 6.0 Re-5.0 Ru 蠕变 变形机制 K-W位错锁 |
| 收稿时间： | 2021-04-09 |
| 修稿时间： | 2021-06-20 |
Deformation Mechanism of Single-Crystal Nickel-based Superalloys During Ultra-High-Temperature Creep |
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| Zhao Guoqi,Tian Sugui,Liu Lirong,Tian Ning and Jin Fangwei. Deformation Mechanism of Single-Crystal Nickel-based Superalloys During Ultra-High-Temperature Creep[J]. Rare Metal Materials and Engineering, 2022, 51(1): 52-59 |
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| Authors: | Zhao Guoqi Tian Sugui Liu Lirong Tian Ning Jin Fangwei |
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| Affiliation: | School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, 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 Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China,School of Mechanical Engineering, Guizhou University of Engineering Science, Bijie 551700, China,School of Mechanical Engineering, Guizhou University of Engineering Science, Bijie 551700, China |
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| Abstract: | |
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| Keywords: | single-crystal nickel-based superalloy 6%Re-5%Ru creep deformation mechanism K-W dislocation lock |
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