Interferometric studies for the annealing effects on the necking deformation along polypropylene fibres

H M El-Dessouky, A. A. Hamza, T. Z.N. Sokkar, Khaled M. Yassien, A. E. Belal

Research output: Contribution to journalArticle

Abstract

An automated multiple-beam Fizeau fringes in transmission technique was used with a fiber-drawing device to detect necking deformation along polypropylene (PP) fibers axis under different conditions of annealing process. The refractive indices, refractive index profiles and crystallinity were calculated along the annealed PP fibers at different draw ratios. The annealing temperature controls the propagation of necking deformation along PP fibers axis that stretched at low draw ratios(D< 2). The necking deformations along PP fibersaxis due to fast drawing process could be avoided when PP fibers were annealed at the temperature of 120oC. Microinterferograms are given for illustrations.
Original languageEnglish
Number of pages16
JournalJournal of Engineered Fibers and Fabrics
Volume2
Issue number2
Publication statusPublished - 2007

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Polypropylenes
Annealing
Fibers
Refractive index
Temperature control
Temperature

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El-Dessouky, H. M., Hamza, A. A., Sokkar, T. Z. N., Yassien, K. M., & Belal, A. E. (2007). Interferometric studies for the annealing effects on the necking deformation along polypropylene fibres. Journal of Engineered Fibers and Fabrics, 2(2).
El-Dessouky, H M ; Hamza, A. A. ; Sokkar, T. Z.N. ; Yassien, Khaled M. ; Belal, A. E. / Interferometric studies for the annealing effects on the necking deformation along polypropylene fibres. In: Journal of Engineered Fibers and Fabrics. 2007 ; Vol. 2, No. 2.
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Interferometric studies for the annealing effects on the necking deformation along polypropylene fibres. / El-Dessouky, H M; Hamza, A. A.; Sokkar, T. Z.N.; Yassien, Khaled M.; Belal, A. E.

In: Journal of Engineered Fibers and Fabrics, Vol. 2, No. 2, 2007.

Research output: Contribution to journalArticle

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