Abstract
In order to visualize the evolution process of impact damage inside carbon fiber-reinforced polymer (CFRP) laminates, the concept of impact damage reconstruction of CFRP laminates was proposed, and a background subtraction image segmentation method based on RGB color space was proposed to extract the damage of materials feature. First, infrared thermography was used to collect damage sequence images of CFRP laminates under different impact loads. The infrared sequence thermal images were prescreened, combined with weighted average fusion to obtain the fusion images and background images, and the background subtraction operation was performed to obtain the subtraction result image. The results of the group with the highest similarity were confirmed and based on this, the 3D reconstruction of the impact interlaminar damage of the laminate was constructed with the help of the 3D Volume of the IMAGE J software.
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This work was supported by the National Natural Science Foundation of China (grant no. 51865038).
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Hong, K., Yuan, L., Wang, J. et al. Reconstruction of Impact Damage in CFRP Laminate Based on Infrared Thermography. Russ J Nondestruct Test 59, 106–116 (2023). https://doi.org/10.1134/S1061830922600599
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DOI: https://doi.org/10.1134/S1061830922600599