نتایج جستجو برای: woven fibers

تعداد نتایج: 75010  

Journal: :InfoMat 2022

As the fundamental building block of optical fiber communication technology, thermally drawn fibers have fueled development and prosperity modern information society. However, conventional step-index configured silica scarcely altered since their invention. In recent years, multifunctional emerged as a new yet promising route to enable unprecedented in technology. By adopting well-developed pre...

Journal: :Advances in Polymer Technology 2022

This research is aimed at seeing how different stacking sequences and chemical treatments impact the mechanical characteristics of ramie–hemp composites. Hand-lay-up procedures were used to create a blend woven ramie hemp fibers. The was treated with diluted 6% sodium hydroxide (NaOH) solution compare properties preserved unpreserved hybrid According findings, tensile composites are better in t...

Journal: :Dental materials journal 2006
Takahito Kanie Hiroyuki Arikawa Koichi Fujii Seiji Ban

The aim of this investigation was to measure the flexural and compressive strengths and the corresponding moduli of cylindrical composite specimens reinforced with woven glass fiber. Test specimens were made by light-curing urethane dimethacrylate oligomer with woven glass fiber of 0.18-mm standard thickness. Tests were conducted using four reinforcement methods and two specimen diameters. Flex...

2013
Aydın Akyuz Seref Alpsoy Dursun Cayan Akkoyun

Spontaneous coronary artery dissection (SCAD) and woven coronary artery anomaly (WCAA) are relatively rare. A few of the previously reported woven coronary artery cases have involved in a single coronary artery. We present an unusual woven case involving all coronary arteries and two patient with SCAD. We have also reviewed the literature related to these disease, as they resemble one another.

Journal: :Journal of Photochemistry and Photobiology A-chemistry 2021

Advanced Oxidation Processes (AOPs), in particular heterogeneous photocatalysis, have been considered as a promising method to remove antibiotics without generating hazardous intermediates. In this work, an innovative compact photoreactor was designed and tested for the degradation of antibiotic Flumequine. The system consisted textile woven from both luminous photocatalytically active fibers. ...

Journal: :Polymers 2021

Current work aims to study the mechanical and dynamical properties of non-woven bamboo (B)/woven kenaf (K)/epoxy (E) hybrid composites filled with nanoclay. The nanoclay-filled BK/E were prepared by dispersing 1 wt.% nanoclay (organically-modified montmorillonite (MMT; OMMT), (MMT), halloysite nanotube (HNT)) high shear speed homogenizer followed hand lay-up fabrication technique. effect adding...

Journal: :Materials research express 2022

Abstract The original configuration of 3D layer-to-layer angle-interlock (LLA) woven fibers cannot be maintained during matrix impregnation and is unstable when the composite subjected to loading. in yarn are susceptible lateral sliding, resulting deformation textile geometry. initial modulus warp direction smaller can inconsistent owing geometry fabric. A stable (SLLA) fabric was devised by co...

2015
Rita Salvado Catarina Lopes Leszek Szojda Pedro Araújo Marcin Gorski Fernando José Velez João Castro-Gomes Rafal Krzywon

This paper presents a study of the electrical and mechanical behavior of several continuous carbon fibers epoxy composites for both strengthening and monitoring of structures. In these composites, the arrangement of fibers was deliberately diversified to test and understand the ability of the composites for self-sensing low strains. Composites with different arrangements of fibers and textile w...

Journal: :Journal of Composite Materials 2021

The effects of microfiller addition on the flexural properties carbon fiber reinforced phenolic (CFRP) matrix composites were investigated. CFRP was produced using colloidal silica and silicon carbide (SiC) microfillers, 2 D woven fibers, two variants resole (HRJ-15881 SP-6877). resins have same phenol solid content but differ in their viscosities HCHO (formaldehyde) content. weight fractions m...

Journal: :Journal of Electromagnetic Waves and Applications 2021

When reinforced with conductive fibers, woven composites can exhibit interesting shielding properties. This paper focuses on their response for obliquely incident plane waves in the high-frequency range (500 MHz to 40 GHz). A two-step homogenization technique is carried out. First, composite (shielding effectiveness and reflection coefficient) computed using a 3D finite element simulation, then...

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