超短脉冲激光加工芳纶纤维增强树脂基复合材料
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1.南开大学现代光学研究所,天津 300350;2.天津科技大学理学院,天津 300222;3.北京卫星制造厂有限公司,北京 100094

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TB332

基金项目:

国家自然科学基金(12174201);国家自然科学基金(62375145)


Ultrashort Pulse Laser Processing of Aramid Fiber-reinforced Polymer Composites
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1.Institute of Modern Optics, Nankai University, Tianjin 300350;2.College of Sciences, Tianjin University of Science and Technology, Tianjin 300222;3.Beijing Spacecrafts, Beijing 100094

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    摘要:

    芳纶纤维增强树脂基复合材料(Aramid fiber-reinforced polymer,AFRP)是一种高性能的纤维增强复合材料,具有比强度高、模量高、质量轻等优点,在航空航天、军事装备、汽车制造等领域有着广泛应用。AFRP各向异性和不均匀性等特点导致其在加工过程中会产生分层、起毛、热影响区过大等问题,已有的加工技术达不到航空航天领域应用所需要的加工精度,构成了目前精密加工AFRP的技术瓶颈。本文综述了AFRP加工的研究现状,通过比较和讨论传统机械加工、磨料水射流加工、连续激光和长脉冲激光加工以及超短脉冲激光加工的优缺点和尚有缺陷,依据飞秒激光“冷加工”的原理,讨论了利用飞秒激光精细加工克服这个技术瓶颈的可行性,并给出了相应的研究内容和相关技术途径。本文内容为精密加工AFRP指明了方向,具有明显的研究意义和潜在应用价值。

    Abstract:

    Aramid fiber-reinforced polymer (AFRP) is a high-performance fiber-reinforced composite with high specific strength, high modulus and light weight, and is widely used in aerospace, military equipment, automobile manufacturing and other fields. The characteristics of AFRP anisotropy and inhomogeneity lead to problems such as delamination, linting, and excessive heat-affected zone during processing, and the existing processing technology cannot reach the processing accuracy required for application in the aerospace field, which constitutes the technical bottleneck of current precision processing AFRP. This paper reviews the research status of AFRP processing, compares and discusses the advantages, disadvantages and shortcomings of traditional machining, abrasive waterjet processing, continuous laser and long pulse laser processing and ultrashort pulse laser processing, discusses the feasibility of using femtosecond laser fine processing to overcome this technical bottleneck according to the principle of femtosecond laser "cold processing", and gives the corresponding research content and related technical approaches. This paper points out the direction for precision machining AFRP, which has obvious research significance and potential application value.

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何光宇,李遥遥,吴泽华,陈旭,赵越,王明伟.超短脉冲激光加工芳纶纤维增强树脂基复合材料[J].宇航材料工艺,2024,54(5):1-13.

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  • 收稿日期:2023-11-21
  • 最后修改日期:2024-11-27
  • 录用日期:2024-02-07
  • 在线发布日期: 2024-12-03
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