Surface patterning of CRFP composites using femtosecond laser interferometry

被引：16
|
作者：
Oliveira, V. [1 ,2 ]
Moreira, R. D. F. [3 ]
de Moura, M. F. S. F. [4 ]
Vilar, R. [2 ,5 ]
机构：
[1] Inst Super Engn Lisboa, Ave Conselheiro Emidio Navarro 1, P-1959007 Lisbon, Portugal
[2] Ctr Phys & Engn Adv Mat CeFEMA, Ave Rovisco Pais 1, P-1049001 Lisbon, Portugal
[3] Inst Ciencia & Inovacao Engn Mecan & Engn Ind, Rua Dr Roberto Frias 400, P-4200465 Porto, Portugal
[4] Univ Porto, Fac Engn, Dept Engn Mecan, Rua Dr Roberto Frias, P-4200465 Porto, Portugal
[5] Univ Lisbon, Inst Super Tecn, Av Rovisco Pais 1, P-1049001 Lisbon, Portugal
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2018年 / 124卷 / 03期
关键词：
ABLATION; RADIATION; ADHESION; PULSES;
D O I：
10.1007/s00339-018-1662-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on the surface patterning of carbon fiber-reinforced polymer (CFRP) composites using femtosecond laser interferometry. The effect of experimental processing parameters, such as the pulse energy and scanning speed, on the quality of the patterns is studied. Using the appropriate processing parameters, a selective removal of the epoxy resin can be achieved, leaving the carbon fibers exposed and textured with the desired pattern. The period of the patterns can be controlled by changing the distance between the two interfering beams. On the other hand, the amplitude of the patterns can be controlled by changing the pulse energy or the number of laser pulses applied. In addition, sub-micron ripples are created on the carbon fibers surface allowing multiscale surface modification which may contribute to improve bonding between CFRP parts.
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页数：7
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