Determining the opto-mechanical and geometrical properties of high-density polyethylene fibres

MA El-Bakary - Optics and lasers in engineering, 2008 - Elsevier
A method is described to determine the opto-mechanical and geometrical properties of high-
density polyethylene, HDPE, fibres at the same time for the same region from the fibre …

Detection of the variation of the optical and geometrical parameters of fibres due to the cold drawing process

AA Hamza, TZN Sokkar… - … Science and Technology, 2004 - iopscience.iop.org
A method is described to detect the variation of the refractive index profile, transverse
sectional shapes, areas and mechanical properties of fibres during the cold drawing …

Automatic determination of refractive index profile, sectional area, and shape of fibers having regular and/or irregular transverse sections

AA Hamza, TZN Sokkar, MA El-Morsy… - Optics & Laser …, 2008 - Elsevier
A new method based on a mathematical model and a computer program is suggested to
determine the refractive index profile of fibers having regular and/or irregular transverse …

The impact of processing conditions on the structural and optical properties of the as‐spun polyamides fibers

AM Ali - Microscopy Research and Technique, 2019 - Wiley Online Library
The development of crystallinity and orientation during the melt spinning of polyamides
(nylon 66) was investigated. This study reports the question of the orientation and …

Geometrical and optical properties of irregular fibers as a function of draw ratio

AA Hamza, TZN Sokkar, MA El-Bakary… - … Journal of Polymeric …, 2008 - Taylor & Francis
The Pluta polarizing interference microscope with a fiber rotator-mechanical device was
used to detect the variation in the cross-sectional area, shapes and optical properties of …

Determining the optical and geometrical properties of irregular fibers during the dynamic cold drawing process

AA Hamza, TZN Sokkar, MA El‐Bakary… - Journal of applied …, 2009 - Wiley Online Library
A dynamic method was suggested to determine the variation of both refractive index and
transverse sectional area of regular and/or irregular fibers during the dynamic cold drawing …