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Bending Rigidity of Yarns

Department of Clothing and Textile, College of Home Economics, DongEui University, Busan, South Korea

Ae-Gyeong Oh

Department of Textile Engineering, College of Engineering, Pusan National University, Busan, South Korea, agoh{at}pusan.ac.kr

The bending behavior of yarn is affected by mechanical properties, arrangement and interaction between its constituent fibers and yarn geometry. In this study the yarn bending rigidity was obtained from the tensile modulus of its constituent fibers and yarn geometry and structural parameters and it was shown that the dimensionless yarn bending rigidity decreased as the ratio of tensile modulus to the shear modulus of the constituent fibers increased. Furthermore, the yarn bending rigidity decreased as the surface helix angle of the yarn increased. When compared with previous research, there was good agreement between the findings of Owen, Zurek, and Platt’s and the results of this study.

Key Words: bending rigidity • yarn geometry structural parameter • surface helix angle • dimensionless bending rigidity

Textile Research Journal, Vol. 76, No. 6, 478-485 (2006)
DOI: 10.1177/0040517506063915


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