| 静磁场对定向凝固镍基高温合金组织影响的研究进展 |
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| 引用本文： | 刘承林,苏海军,张军,刘林,傅恒志.静磁场对定向凝固镍基高温合金组织影响的研究进展[J].材料工程,2019,47(9):13-20. |
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| 作者姓名： | 刘承林 苏海军 张军 刘林 傅恒志 |
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| 作者单位： | 西北工业大学凝固技术国家重点实验室,西安,710072;西北工业大学凝固技术国家重点实验室,西安,710072;西北工业大学凝固技术国家重点实验室,西安,710072;西北工业大学凝固技术国家重点实验室,西安,710072;西北工业大学凝固技术国家重点实验室,西安,710072 |
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| 基金项目： | 国家自然科学基金;国家自然科学基金 |
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| 摘 要： | 综述了国内外静磁场对镍基高温合金组织影响的研究现状,重点分析了施加不同方式、强度的静磁场对定向凝固镍基高温合金枝晶组织、元素偏析、凝固缺陷及高温力学性能的影响规律,并从变截面处杂晶的控制、晶体取向偏离的控制以及对凝固特性的影响机制等方面提出了静磁场在定向凝固镍基高温合金研究中潜在的发展方向。
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| 关 键 词： | 镍基高温合金 静磁场 枝晶组织 凝固缺陷 |
Research progress in effect of static magnetic field on microstructure of directionally solidified Ni-based superalloy |
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| LIU Cheng-lin,SU Hai-jun,ZHANG Jun,LIU Lin,FU Heng-zhi.Research progress in effect of static magnetic field on microstructure of directionally solidified Ni-based superalloy[J].Journal of Materials Engineering,2019,47(9):13-20. |
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| Authors: | LIU Cheng-lin SU Hai-jun ZHANG Jun LIU Lin FU Heng-zhi |
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| Affiliation: | (State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi’an 710072,China) |
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| Abstract: | The current research progress in the influence of static magnetic field on the microstructures of directionally solidified Ni-based superalloy at home and abroad was reviewed, and the effect of different ways, strength of static magnetic fields on the dendritic microstructure, elemental segregation, solidification defects and high temperature mechanical properties was emphatically analyzed. The potential development of static magnetic field in directional solidification of nickel-based superalloy was proposed from the control of stray crystals at variable cross-sections, the control of crystal orientation deviation, and the influence mechanism of static magnetic field on solidification properties. |
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| Keywords: | Ni-based superalloy static magnetic field dendritic microstructure solidification defect |
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