纤维与增强英文2022被引 9
芳纶纤维增强塑料的超快激光加工特性
Characteristics of ultrafast laser processing aramid fiber reinforced plastics
Jian Cheng, Peng Zhang, Zongtai He, Deyuan Lou, Qibiao Yang, Dun Liu · Laser Group, School of Mechanical Engineering, Hubei University of Technology, China
摘要整理
传统切割或铣削方法加工芳纶纤维增强塑料（AFRP）通常导致加工精度低和边缘质量差。本文系统研究了超快激光烧蚀AFRP的可行性。详细考察了AFRP对超快激光脉冲宽度、激光能量密度和重复频率的响应特性。研究发现，单脉冲体积去除率、材料去除效率和烧蚀表面粗糙度与激光脉冲宽度、激光能量密度和重复频率呈正相关关系。表面形貌分析表明，由于AFRP组分的分解温度低和导热系数小，高激光重复频率条件下易发生热积累和碳化现象。这些发现为超快激光加工类似复合材料提供了有益指导。
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