Research on thermal mechanical coupling damage in ultrasonic drilling of CFRP/aluminum alloy laminated structure robot

Wentao Zhang

doi:10.1117/12.2689792

18 July 2023 Research on thermal mechanical coupling damage in ultrasonic drilling of CFRP/aluminum alloy laminated structure robot

Wentao Zhang

Author Affiliations +

Proceedings Volume 12744, Second International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2023); 127441U (2023) https://doi.org/10.1117/12.2689792
Event: Second International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2023), 2023, Nanjing, China

Abstract

A ultrasonic vibration drilling experimental platform was established to address the common problem of thermal stress damage in the integrated drilling of CFRP/aluminum alloy laminated structures due to the low heat resistance of carbon fiber reinforced composite materials (CFRP). A comparative analysis was conducted between ordinary drilling and ultrasonic vibration drilling in terms of aluminum alloy chips, drilling temperature, CFRP surface roughness, and CFRP hole outlet quality. Research has shown that the introduction of ultrasonic vibration in drilling can improve the chip breaking effect of aluminum alloys, enhance the heat dissipation conditions of semi enclosed machining environments, and effectively reduce the degree of thermal stress damage at the outlet and wall of CFRP holes.

Citation Download Citation

Wentao Zhang "Research on thermal mechanical coupling damage in ultrasonic drilling of CFRP/aluminum alloy laminated structure robot", Proc. SPIE 12744, Second International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2023), 127441U (18 July 2023); https://doi.org/10.1117/12.2689792

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