Moisture absorption behavior and adhesion properties of GNP/epoxy nanocomposite adhesives

In the current work, an attempt has been made to investigate the effect of Graphene Nanoplatelets (GNP) reinforcement to water absorption behavior and mechanical properties of adhesive bonding with epoxy. Epoxy adhesive with various GNP content (i.e., 0.0~2.0 wt%) was utilized to joint aluminum adhe...

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Main Authors: Kong, Nurziana, Khalil, Nur Zalikha, Fricke, Holger
Format: Article
Language:English
Published: MDPI 2021
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/31521/2/5.%20Full%20Journal%20Paper.pdf
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author Kong, Nurziana
Khalil, Nur Zalikha
Fricke, Holger
author_facet Kong, Nurziana
Khalil, Nur Zalikha
Fricke, Holger
author_sort Kong, Nurziana
collection UMP
description In the current work, an attempt has been made to investigate the effect of Graphene Nanoplatelets (GNP) reinforcement to water absorption behavior and mechanical properties of adhesive bonding with epoxy. Epoxy adhesive with various GNP content (i.e., 0.0~2.0 wt%) was utilized to joint aluminum adherend subjected to various immersion periods (i.e., 0~60 days). Subsequently, the effect of GNP reinforcement on water uptake, water absorption rate and tensile shear strength was investigated. Depending on GNP content, two distinct behaviors in water uptake and moisture absorption rate have been observed; specimens with lower GNP content (0.5~1.0 wt%) have demonstrated increased/retention of water uptake and water absorption rate regardless of immersion period. Meanwhile, at higher GNP content (1.5~2.0 wt%), decreased water uptake and water absorption rate are generally observed. At similar GNP content, regardless of immersion periods, water immersed specimens generally demonstrate higher or retention of shear strength when compared to specimens at 0-day immersion period. These observations suggest that the relation between moisture absorption behavior and mechanical properties of GNP-reinforced adhesive with GNP content are rather complex which might be attributed to the interplay of several possible mechanisms.
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spelling UMPir315212021-06-11T08:19:28Z http://umpir.ump.edu.my/id/eprint/31521/ Moisture absorption behavior and adhesion properties of GNP/epoxy nanocomposite adhesives Kong, Nurziana Khalil, Nur Zalikha Fricke, Holger TJ Mechanical engineering and machinery In the current work, an attempt has been made to investigate the effect of Graphene Nanoplatelets (GNP) reinforcement to water absorption behavior and mechanical properties of adhesive bonding with epoxy. Epoxy adhesive with various GNP content (i.e., 0.0~2.0 wt%) was utilized to joint aluminum adherend subjected to various immersion periods (i.e., 0~60 days). Subsequently, the effect of GNP reinforcement on water uptake, water absorption rate and tensile shear strength was investigated. Depending on GNP content, two distinct behaviors in water uptake and moisture absorption rate have been observed; specimens with lower GNP content (0.5~1.0 wt%) have demonstrated increased/retention of water uptake and water absorption rate regardless of immersion period. Meanwhile, at higher GNP content (1.5~2.0 wt%), decreased water uptake and water absorption rate are generally observed. At similar GNP content, regardless of immersion periods, water immersed specimens generally demonstrate higher or retention of shear strength when compared to specimens at 0-day immersion period. These observations suggest that the relation between moisture absorption behavior and mechanical properties of GNP-reinforced adhesive with GNP content are rather complex which might be attributed to the interplay of several possible mechanisms. MDPI 2021-06-02 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/31521/2/5.%20Full%20Journal%20Paper.pdf Kong, Nurziana and Khalil, Nur Zalikha and Fricke, Holger (2021) Moisture absorption behavior and adhesion properties of GNP/epoxy nanocomposite adhesives. Polymers, 13 (11). pp. 1-17. ISSN 2073-4360. (Published) https://doi.org/10.3390/polym13111850 https://doi.org/10.3390/polym13111850
spellingShingle TJ Mechanical engineering and machinery
Kong, Nurziana
Khalil, Nur Zalikha
Fricke, Holger
Moisture absorption behavior and adhesion properties of GNP/epoxy nanocomposite adhesives
title Moisture absorption behavior and adhesion properties of GNP/epoxy nanocomposite adhesives
title_full Moisture absorption behavior and adhesion properties of GNP/epoxy nanocomposite adhesives
title_fullStr Moisture absorption behavior and adhesion properties of GNP/epoxy nanocomposite adhesives
title_full_unstemmed Moisture absorption behavior and adhesion properties of GNP/epoxy nanocomposite adhesives
title_short Moisture absorption behavior and adhesion properties of GNP/epoxy nanocomposite adhesives
title_sort moisture absorption behavior and adhesion properties of gnp epoxy nanocomposite adhesives
topic TJ Mechanical engineering and machinery
url http://umpir.ump.edu.my/id/eprint/31521/2/5.%20Full%20Journal%20Paper.pdf
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AT khalilnurzalikha moistureabsorptionbehaviorandadhesionpropertiesofgnpepoxynanocompositeadhesives
AT frickeholger moistureabsorptionbehaviorandadhesionpropertiesofgnpepoxynanocompositeadhesives