Presentation + Paper
12 March 2024 Thermal evaluation of a laser microdrilling process for thin CFRP-laminates
Author Affiliations +
Abstract
The aviation market is rebounding post-COVID, driving the demand for lightweight materials to reduce fuel consumption and CO2 emissions. However, machining Carbon Fiber-Reinforced Plastic (CFRP) is challenging and costly. Microdrilling (⪅1 mm diameter) for acoustic linings, consisting of CFRP skins in a sandwich structure, is widely requested. Laser drilling offers advantages such as smaller hole diameters and wear-free machining. To scale up laser microdrilling, process efficiency and heat control are crucial. This study conducted a thermal evaluation using a short pulse laser and thermal camera. The temperature curves were evaluated taking into account results obtained from studies based on a layout using design of experiments.
Conference Presentation
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
R. Staehr, V. Wippo, P. Jaeschke, and S. Kaierle "Thermal evaluation of a laser microdrilling process for thin CFRP-laminates", Proc. SPIE 12878, High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XIII, 128780H (12 March 2024); https://doi.org/10.1117/12.3001372
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KEYWORDS
Laser drilling

Carbon fiber reinforced plastics

Laser processing

Pulsed laser operation

Energy efficiency

Laser cutting

Temperature metrology

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