Results 31 to 40 of about 470,496 (337)

Displacement rate effect on the flexural properties of glass fiber reinforced polyurethane [PDF]

open access: yesMaterials Research, 2016
The object of this study was to evaluate the flexural strength of glass fiber reinforced polyurethane composites under variable displacement rates. Flexural tests have been conducted at a range of displacement rates included 0.2, 2, 20, 100, 200, 1000 mm/
João Marciano Laredo dos Reis
doaj   +2 more sources

Comprehensive analysis of mechanical properties of microcellular polypropylene: Experiment and simulation

open access: yesPolymer Testing, 2022
A series of microcellular polypropylene (PP) with different bubble size and expansion ratio were prepared by supercritical CO2 moulding compression foaming, and their compressive, flexural and tensile properties were measured. A comprehensive calculation
Yichong Chen   +7 more
doaj   +1 more source

Flexural Performance of Emulsified-Asphalt-Modified ECC for Expansion Joint Use

open access: yesAdvances in Civil Engineering, 2021
The concrete transition zone plays an important role in bridge expansion joint structure, which provides a good connection between the expansion joint installation and bridge decks.
Quan Mao, Zhigang Zhang, Hui Ma
doaj   +1 more source

Effect of surface-functionalization of Na+-montmorillonite nanoclay using 3-aminopropyltrimethoxy silane on the mechanical properties of E-glass chopped strand mat/epoxy composites [PDF]

open access: yesJournal of Particle Science and Technology, 2018
In the present work, Na+-montmorillonite nanoclay (Na-MMT) was functionalized using 3-aminopropyltrimethoxysilane (3-APTMS) as a coupling agent. The covalent functionalization of MMT was confirmed by Fourier-transform infrared spectroscopy (FT-IR).
Ali Feiz   +2 more
doaj   +1 more source

Comparison of mechanical properties and color stability of various vacuum-formed orthodontic retainers: An in vitro study

open access: yesSaudi Dental Journal, 2023
Background: Vacuum-formed retainer (VFR) is the most used retainer due to its higher aesthetic properties and lower cost, their mechanical properties of are important in determining the stability and long-term use of appliances made out of them.
Aljazi H. Aldweesh   +4 more
doaj   +1 more source

Experimental Analysis of Fiber Laminating Effects on Flexural Rigidity of Composite Endplates for Use in PEM Fuel Cells [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage, 2022
One of the most important components of a polymer electrolyte membrane fuel cell is the endplate, which must exert uniform contact pressure distribution on the membrane electrode assembly.
Mohammad Barzegari, Iman Sahebi Joibari
doaj   +1 more source

Comparative Evaluation of Flexural Strength and Flexural Modulus of Different Periodontal Splint Materials: An In Vitro Study

open access: yesApplied Sciences, 2019
Splinting of the mobile teeth is a critical part of periodontal management to improve the prognosis and longevity of stable results of periodontally compromised teeth with increased mobility.
Shahabe Saquib   +5 more
doaj   +1 more source

Development of Braiding-Pultrusion Method and Investigation of Mechanical Properties of Composite Rods Produced by this Method [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
In this research, a braiding-pultrusion production line is developed by modifying a conventional textile maypole braiding machine and adding it to a pultrusion line for production of braid-pultruded (BP) composite rods.
M.S. Ahmadi   +3 more
doaj   +1 more source

Experimental and numerical assessment of the flexural response of banana fiber sandwich epoxy composite

open access: yesScientific Reports, 2023
Recently, most service or product-oriented industries have been focusing on their activities to uphold the green and sustainable environment protocol owing to the increased environmental pollution.
Venkatesh Chenrayan   +8 more
semanticscholar   +1 more source

Investigating the mechanical properties of wood flour/ polypropylene/ nanoclay composite [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2013
The effect of nanoclay and coupling agent contents on the mechanical properties of wood flour/ polypropylene/ nanoclay composites was investigated. Wood flour content was constant at 40%, maleic anhydride at two levels of 2 and 4% and nanoclay (Cloisite ...
Habib alah Khademi eslam   +3 more
doaj   +1 more source

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