Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 17, issue 1
Articles | Volume 17, issue 1
https://doi.org/10.5194/ms-17-285-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-17-285-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 1
Research article
 | 
20 Mar 2026
Research article |  | 20 Mar 2026

Surface quality and process optimization in rotary ultrasonic-assisted drilling of carbon-fiber-reinforced plastics

Lingzhi Luo, Fuxian Zhu, Liuyang Duan, Fengling Zhao, and Zhen Zhang

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Short summary
Drilling carbon-fiber-reinforced plastics often causes exit-hole damage that weakens the material. We developed a rotary ultrasonic-assisted drilling solution. Tests show that combining high spindle speed, low feed rate, and coarse-grit tools produces near-perfect holes with minimal damage. This method offers manufacturers a reliable technique for high-quality carbon-fiber-reinforced plastics, enabling safer aerospace and automotive products.
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