Laser cutting of fiber-reinforced plastic laminate and its honeycomb sandwich structure

Kaihu Zhang; Xiaohui Zhang; Guigaang Jiang; Liyan Zheng; Ze Gao; Yongliang Gao; Mingyu Lu; Jiabo Zhang

doi:10.1117/12.2580099

5 November 2020 Laser cutting of fiber-reinforced plastic laminate and its honeycomb sandwich structure

Kaihu Zhang, Xiaohui Zhang, Guigaang Jiang, Liyan Zheng, Ze Gao, Yongliang Gao, Mingyu Lu, Jiabo Zhang

Proceedings Volume 11562, AOPC 2020: Advanced Laser Technology and Application; 1156211 (2020) https://doi.org/10.1117/12.2580099
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

We carried out a comparative study on laser cutting of fiber-reinforced plastic and its honeycomb sandwich structure widely used in aeronautic industry. The influence of pulse duration (CW, ns, ps and fs), wavelength (MIR, NIR, and NUV) on cutting quality (characterized by the HAZ) and productivity was experimentally studied. It was demonstrated that for either the aramid fiber reinforced plastics/polymers (AFRPs) or high-modulus carbon fiber reinforced plastics/polymers (CFRPs) and its honeycomb sandwich structure, tradition laser cutting was unable to satisfy the requirements of the appearance qualities in the astronautic industry due to the thermal damage induced discoloration, in spite of the less extension of damage than the contact machining used currently. The pulse duration effects on HAZ, the wavelength effects on cutting quality and productivity, the differences and similarities for low-HAZ cutting of AFRPs and high-modulus CFRPs, was studied, and the possible physical origins was discussed.

Citation Download Citation

Kaihu Zhang, Xiaohui Zhang, Guigaang Jiang, Liyan Zheng, Ze Gao, Yongliang Gao, Mingyu Lu, and Jiabo Zhang "Laser cutting of fiber-reinforced plastic laminate and its honeycomb sandwich structure", Proc. SPIE 11562, AOPC 2020: Advanced Laser Technology and Application, 1156211 (5 November 2020); https://doi.org/10.1117/12.2580099

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