Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

A Study of Bending Properties of 2- Ply Muitifilament Yarns (III)

2합 멀티필라멘트사의 굽힘특성에 관한 연구 (III)

  • 김승진 (부산대학교 공과대학 섬유공학과) ;
  • 박장환 (동의대학교 가정대학 의류과) ;
  • 오애경 (부산대학교 공과대학 섬유공학과) ;
  • 김덕리 (부산대학교 공과대학 섬유공학과)
  • Published : 1992.10.01

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Abstract

Bending rigidity of a 2-ply multifilament yarn was derived in terms of physical and mechanical characteristics of its constituent filaments and yarn structural parameters. Experime-ntal and theoretical results were compared for the multifilament yarn and with various structural parameters. The maximum bending rigidity of 2-ply multifilament yarns was observed around ply helix angle of 15 degree for both theoretical and experimental results. Theoretical analysis shows that bending rigidity of 2-ply multifilament yarn increases with the ratio of filament torsional rigidity to its bending rigidity. The theoretical results show good agreement to experimental one when the ply helix angle is lower than 10 degree, however, experimental results show much higher value than theoretical ones when the ply helix angle is higher than 15 degree.

Keywords

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