Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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CFRP Drilling Experiments: Investigation on Defect Behaviors and Material Interface Detection for Minimizing Delamination

탄소섬유복합재 가공의 결함특성 및 결함 저감을 위한 경계검출

  • Kim, Gyuho (Department of Mechanical Engineering, Yonsei University) ;
  • Ha, Tae In (Department of Mechanical Engineering, Yonsei University) ;
  • Lee, Chan-Young (Department of Mechanical Engineering, Yonsei University) ;
  • Ahn, Jae Hoon (Department of Mechanical Engineering, Yonsei University) ;
  • Kim, Joo-Yeong (Department of Mechanical Engineering, Yonsei University) ;
  • Min, Byung-Kwon (Department of Mechanical Engineering, Yonsei University) ;
  • Kim, Tae-Gon (Manufacturing System R&D Group, Korea Institute of Industrial Technology) ;
  • Lee, Seok-Woo (Manufacturing System R&D Group, Korea Institute of Industrial Technology)
  • 김규호 (연세대학교 기계공학과) ;
  • 하태인 (연세대학교 기계공학과) ;
  • 이찬영 (연세대학교 기계공학과) ;
  • 안재훈 (연세대학교 기계공학과) ;
  • 김주영 (연세대학교 기계공학과) ;
  • 민병권 (연세대학교 기계공학과) ;
  • 김태곤 (한국생산기술연구원 생산시스템그룹) ;
  • 이석우 (한국생산기술연구원 생산시스템그룹)
  • Received : 2016.05.09
  • Accepted : 2016.05.29
  • Published : 2016.06.03
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Abstract

CFRP (Carbon Fiber Reinforced Plastic) and CFRP-metal stacks have recently been widely used in the aerospace and automobile industries. When CFRP is machined by a brittle fracture mechanism, defect generation behaviors are different from those associated with metal cutting. The machining quality is strongly dependent on the properties of CFRP materials. Therefore, process control for CFRP machining is necessary to minimize the defects of differently manufactured CFRPs. In this study, defects in drilling of CFRP substrates with a variety of fiber directions and resin types are compared with respect to thrust force. An experimental study on material interface detection is carried out to investigate its benefits in process control.

Keywords

References

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