Paper
16 August 2024 Dynamic response of the polymer matrix in carbon fiber reinforced polymer (CFRP) under femtosecond laser irradiation
Shaoqian Wang, Xueqiang Zhang, Xiaorui Li, Kaihu Zhang, Jinghao Wang
Author Affiliations +
Proceedings Volume 13231, 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024); 132310A (2024) https://doi.org/10.1117/12.3040094
Event: Fourth International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024), 2024, Chongqing, China
Abstract
Femtosecond laser processing is a high-precision method for processing Carbon Fiber Reinforced Polymer (CFRP) composites due to its high peak power and short pulse duration, resulting in low damage. This method holds great potential for application in the aerospace industry. This paper investigates the ultrafast dynamic response mechanism of the polymer matrix (resin matrix) within CFRP composites under femtosecond laser irradiation using a numerical model. The computation of the evolution of electron density in the resin material under femtosecond laser irradiation and the analysis of trends in instantaneous local optical property changes are presented. The prediction of ablation morphology of the resin matrix under different fluences is also included. This study offers guidance for femtosecond laser surface cleaning of CFRP composites.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Shaoqian Wang, Xueqiang Zhang, Xiaorui Li, Kaihu Zhang, and Jinghao Wang "Dynamic response of the polymer matrix in carbon fiber reinforced polymer (CFRP) under femtosecond laser irradiation", Proc. SPIE 13231, 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024), 132310A (16 August 2024); https://doi.org/10.1117/12.3040094
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KEYWORDS
Femtosecond phenomena

Laser ablation

Ionization

Laser processing

Matrices

Laser irradiation

Composite resins

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