Substrate‐Dependent Molecular and Nanostructural Orientation of Nafion Thin Films

DI Kushner, A Kusoglu, NJ Podraza… - Advanced Functional …, 2019 - Wiley Online Library
The effects of film thickness and substrate composition on the ionomer structure in porous
electrodes are critical in understanding pathways toward developing higher performance …

Optical birefringence and molecular orientation of crazed fibres utilizing the phase shifting interferometric technique

TZN Sokkar, KA El-Farahaty, MA El-Bakary… - Optics & Laser …, 2017 - Elsevier
In this article, the features of the phase shifting interferometric technique were utilized to
investigate the effect of the presence of crazes in both outer and inner layers on optical …

A modified method for accurate correlation between the craze density and the optomechanical properties of fibers using pluta microscope

TZN Sokkar, KA El‐Farahaty… - Microscopy …, 2016 - Wiley Online Library
ABSTRACT A modified method was suggested to improve the performance of the Pluta
microscope in its nonduplicated mode in the calculation of the areal craze density …

Effect of constrained annealing on the structural and dielectric properties of melt cast PVDF/PMMA films

M Jain, Z Mutlu, J Mao, J Zhou, C Wu… - Journal of Polymer …, 2023 - Wiley Online Library
In this study, the relationship between structural hierarchy in PVDF/PMMA blends as altered
by melt casting and annealing and electrical properties was investigated. PVDF was …

[HTML][HTML] Polymer matrix, polymer ribbon-reinforced transparent composite materials

DJ O'Brien, WK Chin, LR Long, ED Wetzel - Composites Part A: Applied …, 2014 - Elsevier
Composites of a polymer–matrix reinforced by polymer ribbon monofilaments are
investigated as mechanically robust, transparent composite materials. Transparent nylon …

On the digital holographic interferometry of fibrous material, I: Optical properties of polymer and optical fibers

KM Yassien, M Agour, C von Kopylow… - Optics and Lasers in …, 2010 - Elsevier
Digital holographic interferometry (DHI) was utilized for investigating the optical properties of
polymer and optical fibers. The samples investigated here were polyvinylidene fluoride …

Digital holographic interferometry: optomechanical properties of fibers

K Yassien, M Agour - Polymer Engineering & Science, 2011 - Wiley Online Library
Studying polymer fiber's mechanical properties leads to an increased understanding of the
behavior of polymeric structures. This will support the design of new synthetic fibers with …

On the physical behavior of isotactic polypropylene fibers extruded at different draw‐down ratios. I. Optical properties and cold‐drawing

HM El‐Dessouky, MR Mahmoudi… - Polymer Engineering …, 2009 - Wiley Online Library
It is widely accepted that structure of melt spun fibers is initially formed in the spin line as the
polymer melt is extruded through the spinneret, where the rate of melt cooling and applied …

Optomechanical investigating the impact of grafting polyamide‐6 fibers with PMMA on its intrinsic optical properties

AA Hamza, TZN Sokkar, MA El‐Bakary… - Polymer Engineering …, 2020 - Wiley Online Library
An optomechanical characterization was carried out to investigate the influence of grafting
polyamide‐6 fibers with poly (methyl methacrylate)(PMMA) on their structural relationship …

Two optofluidic devices for the refractive index measurement of small volume of fluids

KS Chao, TY Lin, RJ Yang - Microfluidics and nanofluidics, 2012 - Springer
Two simple optofluidic devices based on a microprism and a refraction channel,
respectively, are proposed for measuring the refractive index of fluids. The microprism chip …