Special Issue
  • Laser Ultrasonic Testing of Baseline and Fiber-Misaligned 3D-Printed Composite Pusher Caps

  • King Sum Ma*, Kyu-Jin Lee*, Jung-Ryul Lee*†

  • *Department of Aerospace Engineering, KAIST

  • This article is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

References
  • 1. Goh, G.D., Agarwala, S., Goh, G.L., Dikshit, V., Sing, S.L., and Yeong, W.Y., “Additive Manufacturing in Unmanned Aerial Vehicles (UAVs): Challenges and Potential,” Aerospace Science and Technology, Vol. 63, 2017, pp. 140-151.
  •  
  • 2. Lee, K.-J., Jeon, M.-S., and Lee, J.-R., “Evaluation of Manufacturing Defects in 3D Printed Carbon Fiber Reinforced Cylindrical Composite Structure Based on Laser Ultrasonic Testing,” NDT & E International, Vol. 135, 2023, Article No. 102802.
  •  
  • 3. Che, X., Xin, R., and Goo, N.S., “Experimental and Numerical Study on of 3D Printed Carbon Fiber Composite Cylindrical Shell Under Axial Loading,” International Journal of Aeronautical and Space Sciences, Vol. 26, No. 5, 2025, pp. 2309-2329.
  •  
  • 4. Lee, K.-J., and Lee, J.-R., “Path Planning and Inspection of Complex-shaped 3D-Printed Composites Based on Robotic Pulse-Echo Laser Ultrasonic Testing,” Advanced Composite Materials, Vol. 34, No. 2, 2025, pp. 329-351.
  •  
  • 5. Ma, K.S., Lee, K.-J., and Lee, J.-R., “Development of CAD Model-Based Robotic Pulse-Echo Laser Ultrasonic Testing Method for 3D-Printed Composites,” Proceeding of the Korean Society for Aeronautical and Space Sciences Conference, Gangwon, Korea, Nov. 2024, pp. 148-149.
  •  
  • 6. Cho, S.-Y., and Lee, J.-R., “Investigation of Manufacturing Defects in 3D-Printed CFRP Using Laser Ultrasonic Testing and X-Ray Micro-Computed Tomography,” Functional Composites and Structures, Vol. 3, No. 2, 2021, pp. 025005.
  •  
  • 7. Lee, J.-R., Jeong, H., Chia, C.C., Yoon, D.-J., and Lee, S.-S., “Application of Ultrasonic Wave Propagation Imaging Method to Automatic Damage Visualization of Nuclear Power Plant Pipeline,” Nuclear Engineering and Design, Vol. 240, No. 10, 2010, pp. 3513-3520.
  •  
  • 8. Lee, J.-R., Chia, C.C., Park, C.-Y., and Jeong, H., “Laser Ultrasonic Anomalous Wave Propagation Imaging Method with Adjacent Wave Subtraction: Algorithm,” Optics & Laser Technology, Vol. 44, No. 5, 2012, pp. 1507-1515.
  •  
  • 9. Cepel, R., Ho, K.C., Rinker, B.A., Palmer, D.D., Lerch, T.P., and Neal, S.P., “Spatial Correlation Coefficient Images for Ultrasonic Detection,” IEEE Trans. Ultrason. Ferroelectr. Freq. Control, Vol. 54, No. 9, 2007, pp. 1841-1850.
  •  
  • 10. Ma, K.S., Lee, K.-J., Chia, C.C., and Lee, J.-R., “CAD Model-based Robotic Pulse-echo Ultrasonic Propagation Imaging for 3D Printed Composites and Data Acquisition for AI-based Defect Diagnosis,” Journal of the Korean Society for Nondestructive Testing, Vol. 46, No. 2, 2026, pp. 106-112.
  •  
  • 11. Ma, K.S., Lee, K.-J., and Lee, J.-R., “A Study on 3D Scan-based Robot Arm Control Approach for Pulse-echo Laser Ultrasonic Testing of Curved Composite Structures,” Meas. Sci. Technol., Vol. 36, No. 4, 2025, p. 045903.
  •  

This Article

Correspondence to

  • Jung-Ryul Lee

  • Department of Aerospace Engineering, KAIST

  • E-mail: leejrr@kaist.ac.kr