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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
On line interferometric investigation of the neck propagation phenomena of stretched polypropylene fibre
Optics and Laser Technology, Volume 42, No. 5, Year 2010
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Description
On line interferometric investigation of the neck propagation phenomenon of stretched fibre is carried out using an automatic multiple-beam Fizeau fringes technique. It was observed that under such a deformation condition, a neck deformation is formed and propagated steadily towards the gripped ends of the stretched sample. The neck propagation was recorded carefully during the course of the tests by means of a CCD camera. The fringe shift profile due to the neck formation was analyzed during the propagation stage. A polypropylene (PP) sample was stretched until a neck deformation is formed at room temperature. The 3D time-refractive index profile is investigated to clarify the fixed profile of propagation. The obtained microinterferograms are clarifying the fixed neck profile during the propagation of necking phenomena. The speed of neck propagation was calculated. The dependence of the propagation on the drawing speed and draw ratio was investigated. © 2009 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Hamza, Ahmed A Amin
Egypt, El Shorouk
The British University in Egypt
Sokkar, Taha Zaki Nabawy
Egypt, Mansoura
Faculty of Science
El-Bakary, M. A.
Egypt, Mansoura
Faculty of Science
Ali, A. M.
Egypt, Mansoura
Faculty of Science
Statistics
Citations: 13
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.1016/j.optlastec.2009.11.007
ISSN:
00303992