Accuracy of Intersection Counting Method in Measurement of Fiber Orientation Angle Distribution Using Image Processing

화상처리에 의한 섬유배향각 분포측정에 있어서 교차점합산법의 정밀도

  • 이상동 (조선대학교 대학원 정밀기계공학과) ;
  • 박준식 (대구기능대학 금속기술학) ;
  • 이동기 (조선대학교 기계공학부, 수송기계부품 공장자동화연구센) ;
  • 한길영 (조선대학교 기계공학부, 수송기계부품 공장자동화연구센) ;
  • 김이곤 (국민대학교 기계공학부, 정밀정형 및 금형가공 연구센터)
  • Published : 1998.12.01


The fiber oriented condition inside fiber reinforced composite material is a basic factor of mechanical properties of composite materials. It is very important to meausure the fiber orientation angle for the determination of molding conditions, mechanical characteristics, and the design of composite materials. In the work, the fiber orientation distribution of simulation figure plotted by PC is measured using image processing in order to examine the accuracy of intersection counting method. The fiber orientation function measured by intersection counting method using image processing is compared with the calculated fiber orientation function. The results show that the measured value of fiber orientation function using intersection counting method is lower than the calculated value, because the number of intersection between the scanning line and the fiber with smaller fiber aspect ratio is counted less than with larger fiber aspect ratio.