Results 111 to 120 of about 3,802 (230)

The influence of hygrothermal aging on the hoop tensile strength of glass fiber wound polymer composites fabricated via filament winding technique

open access: yesMaterials Research Express
The study investigates the impact of moisture environment treatment, on the hoop tensile strength (HTS) of glass fiber-reinforced polymer (GFRP) composites, through hygrothermal aging. GFRP cylinders were fabricated with varied parameters—volume fraction,
Srikumar Biradar   +4 more
doaj   +1 more source

Hygrothermal aging on the mechanical property and degradation mechanism of carbon fiber reinforced epoxy composites modified by nylon 6

open access: yesJournal of Materials Research and Technology
Nylon 6 (PA6) with excellent fracture toughness and hygrothermal resistance is added to the high-strength/modulus carbon fiber reinforced epoxy resin as a filler, which is expected to signally improve the thermal and mechanical properties. In the present
Guijun Xian   +5 more
doaj   +1 more source

A Comparative Study of Effects on Characteristic Properties of FRP Composites When Exposed to Distilled Water, Nacl-Water Solution and Sea Water Separately [PDF]

open access: yes, 2008
A comparative study of effects on characteristic properties of FRP composites when exposed to Distilled water, NaCl- water solution and sea water separately was done.Composite of E- glass fiber reinforced in epoxy resin (araldite LY556) in 40:60 weight ...
Banerjee, Shubhonil, Patel, Dipak Kumar
core  

Effect of thermal and hygrothermal aging on the plane stress fracture toughness of poly(ethylene terephthalate) sheets

open access: yeseXPRESS Polymer Letters, 2007
The in-plane (plane stress) fracture toughness of two polyester (PET, PETG) sheets were assessed using the essential work of fracture (EWF) method after thermal and hygrothermal aging performed just below glass temperature.
doaj   +1 more source

Thermal expansion properties of composite materials [PDF]

open access: yes
Thermal expansion data for several composite materials, including generic epoxy resins, various graphite, boron, and glass fibers, and unidirectional and woven fabric composites in an epoxy matrix, were compiled.
Johnson, R. R.   +2 more
core   +1 more source

Influence de traitements hygrothermiques sur les propriétés mécaniques de composites à fibres végétales = Effect of hygrothermal treatment on the mechanical properties of natural fibres composites

open access: yes, 2009
National audienceCe travail vise à évaluer les performances mécaniques et le vieillissement de biocomposites en vue d'une utilisation potentielle de ces matériaux prometteurs dans des applications structurales. 4 types de composites ont été fabriqués par
Placet, Vincent
core   +1 more source

Sifat-Sifat Higroterma Dan Rekahan Komposit Poliamida 6 Diperkuatkan Gentian Kaca Pendek [PDF]

open access: yes, 2000
Sifat mekanik poliamida 6 diperkuat gentian kaca telah dikaji sebagai fungsi dan kelembapan. Ujian lenturan, regangan padat dan mekanik dinamik telah digunakan untuk pencirian sifat komposit pada kandungan isipadu gentian berbeza.
Looi, Chee Meng
core  

Hygrothermal aging behavior of regenerated cellulose fiber-reinforced polyamide 5.10 composites

open access: yesPolymer Testing
The effects of hygrothermal aging on the crystallinity, molecular structure and viscosity as well as on the quasi-static behavior of regenerated cellulose fiber-reinforced (RCF) bio-based polyamide (PA) 5.10 were examined in this study.
Celia Katharina Falkenreck   +2 more
doaj   +1 more source

Evolution of Ionomer Morphology from Dispersion to Film: An in Situ X-ray Study [PDF]

open access: yes, 2019
Ion-conducting polymers (ionomers) have been extensively studied in solution, as membranes and substrate-supported thin films for various electrochemical energy-conversion devices, including fuel cells and electrolyzers. Formation of an ionomer film from
Dudenas, PJ, Kusoglu, A
core  

Natural ventilation in underground wine cellars [PDF]

open access: yes, 2012
The main objective of this research is to promote passive thermal design techniques in the construction of wineries. Natural ventilation in underground cellars is analyzed, focusing on the entrance tunnel, the ventilation chimney and the cave.
Cañas Guerrero, Ignacio   +3 more
core  

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