| 碳纳米材料改性TiAl基合金技术发展现状及展望 |
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| 引用本文： | 吴明宇,弭光宝,李培杰,黄旭,曹春晓.碳纳米材料改性TiAl基合金技术发展现状及展望[J].航空材料学报,2020,40(3):45-62. |
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| 作者姓名： | 吴明宇 弭光宝 李培杰 黄旭 曹春晓 |
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| 作者单位： | 清华大学新材料国际研发中心,北京 100084;中国航发北京航空材料研究院钛合金研究所,北京 100095,中国航发北京航空材料研究院钛合金研究所,北京 100095;北京市石墨烯及应用工程技术研究中心,北京 100094,清华大学新材料国际研发中心,北京 100084,中国航发北京航空材料研究院钛合金研究所,北京 100095,中国航发北京航空材料研究院钛合金研究所,北京 100095 |
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| 基金项目： | 国家自然科学基金;中国航发自主创新专项资金项目 |
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| 摘 要： | 碳纳米材料具有低密度、高强度、高弹性模量和优异的导电、导热性能,是改性TiAl基合金的一种理想增强相。本文综述碳纳米纤维、碳纳米管和石墨烯等碳纳米材料改性TiAl基合金成形及表面改性技术的研究进展,介绍材料因素和工艺条件对界面组织结构和机械性能的影响,总结碳纳米材料处理TiAl基合金的强化机理。石墨烯改性TiAl基合金制备技术是未来研究的重点发展方向,石墨烯在TiAl基合金基体中的均匀分散技术、界面反应控制和作用机理等关键问题是该技术研究领域的难点。
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| 关 键 词： | 石墨烯 碳纳米管 TIAL基合金 制备技术 界面结构 强化机理 |
Current situation and prospect of TiAl-based alloy modified by carbon nanomaterials |
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| WU Mingyu,MI Guangbao,LI Peijie,HUANG Xu,CAO Chunxiao.Current situation and prospect of TiAl-based alloy modified by carbon nanomaterials[J].Journal of Aeronautical Materials,2020,40(3):45-62. |
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| Authors: | WU Mingyu MI Guangbao LI Peijie HUANG Xu CAO Chunxiao |
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| Institution: | (National Center of Novel Materials for International Research,Beijing 100084,China;Aviation Key Laboratory of Science and Technology on Advanced Titanium Alloys,AECC Beijing Institute of Aeronautical Materials,Beijing 100095,China;Beijing Engineering Research Center of Graphene and Application,Beijing 100094,China) |
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| Abstract: | Carbon nanomaterials with low density,high strength,high elastic modulus,excellent conductivity and thermal conductivity are the ideal reinforcing phases for TiAl-based alloy.In this paper,the preparation and surface treatment methods of TiAl-based alloy modified by carbon nanofibers,carbon nanotubes and graphene are reviewed.The influence of material and processing on the interface structure and mechanical properties are introduced,and strengthening mechanisms are also summarized.The preparation technology of graphene modified TiAl-based alloy will be the key development direction of future research.The key problems of graphene uniform dispersion technology,interface reaction control and action mechanism in TiAl-based alloy matrix are the difficulties in the research field of this technology. |
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| Keywords: | graphene carbon nanotubes TiAl-based alloy preparation technology interface structure reinforcement mechanism |
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