<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In this paper, a new non-contact method for detection of impact damage in carbon fibre-reinforced polymer composites with a complementary split-ring resonator sensor is proposed. The resonance frequency is evaluated as an indicator of the presence of damage. The resonator is made on a printed circuit board, and in the experimental setup it is positioned close to the area of interest. Electromagnetic models are built, and from the resonant responses the appropriate frequency range used for the test is determined. The active sensing element in the resonator is found from the analysis of the magnetic field distribution. The parametric study performed shows that a larger frequency change occurs for a wider impacted region, which is of great use for practical applications. The proposed method is validated by the experimental results, where a frequency shift of 65 MHz was observed for a 0.36 mm deep dent.</p></abstract>

In this paper, a new non-contact method for detection of impact damage in carbon fibre-reinforced polymer composites with a complementary split-ring resonator sensor is proposed. The resonance frequency is evaluated as an indicator of the presence of damage. The resonator is made on a printed circuit board, and in the experimental setup it is positioned close to the area of interest. Electromagnetic models are built, and from the resonant responses the appropriate frequency range used for the test is determined. The active sensing element in the resonator is found from the analysis of the magnetic field distribution. The parametric study performed shows that a larger frequency change occurs for a wider impacted region, which is of great use for practical applications. The proposed method is validated by the experimental results, where a frequency shift of 65 MHz was observed for a 0.36 mm deep dent.

Non-contact detection of impact damage in carbon fibre composites using a complementary split-ring resonator sensor

Nanjing University of Aeronautics and Astronautics

Nondestructive Detection and Monitoring Technology for High Speed Transportation Facilities

Key Laboratory of Ministry of Industry and Information Technology

Department of Electrical and Electronic Engineering

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

In this paper, a new non-contact method for detection of impact damage in carbon fibre-reinforced polymer composites with a complementary split-ring resonator...

Non-contact detection of impact damage in carbon fibre composites using a complementary split-ring resonator sensor

Published Online: Dec 31, 2019

Page range: 489 - 493

Received: Oct 15, 2019

DOI: https://doi.org/10.2478/jee-2019-0083

Keywords
carbon fibre composites, impact damage, non-destructive detection, microwave sensor, complementary split-ring resonator, electromagnetic simulation

© 2019 Zhen Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Non-contact detection of impact damage in carbon fibre composites using a complementary split-ring resonator sensor

Published Online: Dec 31, 2019

Page range: 489 - 493

Received: Oct 15, 2019

DOI: https://doi.org/10.2478/jee-2019-0083

Keywordscarbon fibre composites, impact damage, non-destructive detection, microwave sensor, complementary split-ring resonator, electromagnetic simulation

© 2019 Zhen Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
carbon fibre composites, impact damage, non-destructive detection, microwave sensor, complementary split-ring resonator, electromagnetic simulation