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Nacre-mimetic epoxy matrix composites reinforced by two-dimensional glass reinforcements
Date
2016-01-01
Author
Dericioğlu, Arcan Fehmi
Dericioğlu, Arcan Fehmi
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Inspired by the micro-scale "brick-and-mortar" architecture of nacre, epoxy matrix composites reinforced by aligned two-dimensional glass reinforcements were fabricated using a newly proposed simple, one-step, time and man-power efficient processing pathway called the hot-press assisted slip casting process (HASC). Effect of reinforcement aspect ratio along with interfacial compatibility and bonding on the mechanical behavior of the fabricated bulk nacre-mimetic composites was investigated. The achieved results indicated that composites reinforced by high aspect ratio flakes exhibited high energy absorption values until fracture as a result of extensive crack deflection along with flake pull-out, leading to highly torturous crack paths similar to the crack growth behavior of natural nacre. Furthermore, functionalization of the reinforcement surfaces by silane coupling agent improved the compatibility and interfacial adhesion between the reinforcements and the matrix, resulting in considerable enhancement of mechanical properties of fabricated bulk lamellar composites.
Subject Keywords
General Chemistry
,
General Chemical Engineering
URI
https://hdl.handle.net/11511/37871
Journal
RSC ADVANCES
DOI
https://doi.org/10.1039/c5ra25049h
Collections
Department of Metallurgical and Materials Engineering, Article