Original Article
  • A Novel Deep Learning Approach for Evaluating Fiber and Void Volume Fractions in Unidirectional Carbon Fiber Reinforced Plastic (CFRP)

  • Joong-Tak Back*, Su-Jeong Choi*, Jun-Soong Lee*, Ji-Hun Mun*, Jong-Kwan Park**, Sungwook Joo*†

  • *HYBRID Technology Lab, Gyeongbuk Technopark, Korea
    **TAE SUNG S&E INC, Korea

  • 단방향 CFRP의 섬유 및 기공 체적율 평가를 위한 딥러닝 기반 이미지 분석 기법 연구

  • 백중택* · 최수정* · 이준숭* · 문지훈* · 박종관** · 주성욱*†

  • 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. Park, M.G., Cho, S.K., and Chang, S.H., “A Study on the Variation of In-plane and Out-of-plane Properties of T800 Carbon/Epoxy Composites according to the Forming Pressure,” Journal of Composite Research, Vol. 23, No. 6, 2010, pp. 61-66.
  •  
  • 2. Kwak, S.H., Kim, T.J., Tak, Y.H., Kwon, S.I., Lee, J.H., Kim, S.Y., and Lee, J.C., “A Study on the Atmospheric Pressure Control of the VARTM Process for Increasing the Fiber Volume Fraction and Reducing Void,” Journal of Composite Research, Vol. 34, No. 2, 2021, pp. 88-95.
  •  
  • 3. Qiao, Y., Ko, S.H., Ramos, J.L., Nickerson, E.K., Denny, A.C., Schuler, G.M., Brown, N.L., Guzman, A., Moriel, C.E., Pallaka, M.R., Yelin, N., Shahwan, K.W., and Simmons, K.L., “Effects of Processing Temperature, Pressure, and Fiber Volume Fraction on Mechanical and Morphological Behaviors of Fully-recyclable Uni-directional Thermoplastic Polymer-fiber-reinforced Polymers,” Journal of Composite Part C: Open Access, Vol. 14, 2024, 100497.
  •  
  • 4. Kardos, M., Körner, E., Penumadu, D., and Modler, N., “The Influence of Fiber Volume Fraction and Fiber Length on the Evolution of Pore Content and the Paintability of Sheet Moling Compounds,” Journal of Composite Part B, Vol. 185, 2020, 107760.
  •  
  • 5. Sisodia, S.M., Gamstedt, E.K., Edgren, F., and Varna, J., “Effects of Void on Quasi-static and Tension Fatigue Behavior of Carbon-Fibre Composite Laminates,” Journal of Composite Materials, Vol. 49, No. 17, 2015, pp. 2137-2148.
  •  
  • 6. ASTM D3171-22, “Standard Test Methods for Constituent Content of Composites Materials,” Annual Book of ASTM Standards, American Society for Testing and Materials, 2022.
  •  
  • 7. Morales, C.N., Claure, G., Álvarez, J., and Nanni, A., “Evaluation of Fiber Content in GFRP Bars Using Digital Image Processing,” Journal of Composite Part B, Vol. 200, 2020, 108307.
  •  
  • 8. Yoon, H.S., An, W.J., Kim, M.S., Hong, S.J., Song, M.H., and Choi, J.H., “Analysis of Composite Microporosity according to Autoclave Vacuum Bag Processing Conditions,” Journal of Composite Research, Vol. 32, No. 5, 2019, pp. 199-205.
  •  
  • 9. Yee, R.Y., and Stephens, T.S., “A TGA Technique for Determining Graphite Fiber Content in Epoxy Composites,” Journal of Thermochimica Acta, Vol. 272, 1996, pp. 191-199.
  •  
  • 10. Jang, J.G., Cha, J.H., Lee, B.M., and Yoon, S.H., “Measurement Method for Constituent Contents of Carbon Fiber/Epoxy Composites Using Thermogravimetric Analyzer,” Journal of Composite Research, Vol. 33, No. 6, 2020, pp. 341-345.
  •  
  • 11. Moon, C.R., Bang, B.R., Choi, W.J., Kang, G.H., and Park, S.Y., “A Technique for Determining Fiber Content in FRP by Thermogravimetric Analyzer,” Journal of Polymer Testing, Vol. 24, Issue 3, 2005, pp. 376-380.
  •  
  • 12. Kim, Y.H., Kumar, S., Choi, C.H., Kim, C.G., Kim, S.W., and Lim, J.H., “Method for Determining Volume Fraction in Carbon/Epoxy Composites Considering Oxidation of Carbon Fiber,” Journal of Composite Research, Vol. 28, No. 5, 2015, pp. 311-315.
  •  
  • 13. Duernberger, E., Macleod, C., and Lines, D., “Fibre Volume Fraction Screening of Pultruded Carbon Fibre Reinforced Polymer Panels Based on Analysis of Anisotropic Ultrasonic Sound Velocity,” Journal of Composite Part B, Vol. 254, 2023, 110577.
  •  
  • 14. https://www.mipar.us/
  •  

This Article

Correspondence to

  • Sungwook Joo

  • HYBRID Technology Lab, Gyeongbuk Technopark, Korea

  • E-mail: jsw@gbtp.or.kr