A study was made of the migration behavior of filaments in a 3-layer structure of 19 filaments. The filaments were twisted in two distinct forms: (a) ribbon-twisted and (b) cylindrical-twisted. The form of twisting was found to have an appreciable effect on the migration behavior of filaments. The frequency of migration decreases with increase in ribbon width and free length. The experimental results and the observation of yarn formation indicate that, besides the presence of three principal mechanisms, the migration is also caused by the entanglement of filaments. Tensile pro perties of twisted continuous-filament yarns are affected slightly with change in migration behavior.
Hearle, J.W.S. and Merchant, V.B., Interchange of Position Among the Components of a Seven-Ply Structure: Mechanism of Migration, J. Textile Inst.53, T537-T552 ( 1962).
2.
Hearle, J.W.S. and Gupta, B.S., Migration of Fibers in Yarns; Part III: A Study of Migration in Staple Fiber Rayon Yarn, Textile Res. J.35, 788-795 (1965).
3.
Hearle, J.W.S. and Gupta, B.S., The Migration of Fibers in Yarns; Part IV: A Study of Migration in a Continuous Filament Yarn, Textile Res. J.35, 885-889 (1965).
4.
Hearle, J.W.S. and Goswami, B.C., Migration of Fibers in Yarns; Part VII: Further Experiments on Continuous Filament Yarns, Textile Res. J.38, 790-802 (1968).
5.
Hearle, J.W.S. and Bose, O.N., Migration of Fibers in Yarns; Part II: A Geometrical Explanation of Migration, Textile Res. J.35, 693-699 (1965).
6.
Hearle, J.W.S. , Gupta, B.S., and Goswami, B.C., Migration of Fibers in Yarns; Part V: The Combination of Mechanisms of Migration, Textile Res. J.35, 972-978 (1965).
7.
Hearle, J.W.S. , Gupta, B.S., and Merchant , V.B., Migration of Fibers in Yarns; Part I: Characterization and Idealization of Migration Behavior , Textile Res. J.35,329-334 (1965).
8.
Hearle, J.W.S. and Goswami, B.C., Migration of Fibers in Yarns; Part VI: The Correlogram Method of Analysis, Textile Res. J.38, 780-790 (1968).
9.
Morton, W.E. , The Arrangement of Fibers in Single Yarns , Textile Res. J.26, 325-331 (1956).
10.
Riding, G., Filament Migration in Single Yarns, J. Textile Inst.55, T9-T17 (1964).
