Effects of incorporating <scp>ZnO</scp> nanowires on the moisture absorption and mechanical properties of composites

Kannan, Manikandanbabu; Swaminathan, Gowthaman; Venkat, Natarajan

doi:10.1002/pc.26673

Cited by 4 publications

(9 citation statements)

References 41 publications

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“…A detailed description on the properties of these composites was presented by the authors elsewhere. [ 29 ] It can be observed that all the composites behaved completely linearly elastic except the carbon fiber/epoxy composite. The carbon fiber/epoxy composite displayed certain nonlinearity in the behavior before the final fracture.…”

Section: Resultsmentioning

confidence: 99%

“…The procedure for the fabrication of these composites were explained elsewhere by the authors. [29] ASTM standard D 3171 (areal density method) was used to determine the fiber volume fraction (V f ) of composites and ASTM standard D 5229 was used to determine the moisture absorption behavior of resin and composites. [30,31] For moisture absorption studies, resin and composite samples of dimensions 100 Â 100 Â 1 mm were soaked in the distilled water.…”

Section: Methodsmentioning

confidence: 99%

“…The procedures of test methods were explained elsewhere by the authors. [29] 3 | MOISTURE ABSORPTION ANALYSIS Fick's model has been the most used approach for describing the moisture absorption in polymers. This model is based on concentration gradient of water molecules, wherein the moisture absorption increases linearly with time and then gradually slows down until it reached the saturation.…”

Section: Methodsmentioning

confidence: 99%

“…The procedure for the fabrication of these composites were explained elsewhere by the authors. [ 29 ]…”

Section: Methodsmentioning

confidence: 99%

“…The fabrication of these composites and details on the mechanical behavior of these composites were described by the authors elsewhere. [ 29 ] However, a brief summary of the experimental results are provided in this article for the benefit of understanding. Experimentally obtained gravimetric data were used to extract moisture absorption parameters and to quantify the amount of moisture storage in the interface of composites using 1D HDM.…”

Section: Introductionmentioning

confidence: 99%

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Investigations on interfacial moisture storage and its relation to the mechanical behavior in polymer composites

Kannan

Swaminathan

2022

Polymer Composites

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Moisture absorption in composites significantly influence the fiber/matrix interface regions and mechanical properties. Hence, it is very important to quantify the moisture storage in interfaces and correlate it to the mechanical behavior. The novelty of this article is that, for the first time, it explores the correlation of moisture absorption parameters with the mechanical behavior of composites. The paper studies four different types of moisture‐soaked composites—glass fiber/epoxy, carbon fiber/epoxy, ZnO nanowire incorporated glass fiber/epoxy, and ZnO nanowire incorporated carbon fiber/epoxy. One‐dimensional hindered diffusion model (1D HDM) was used for the extraction of moisture absorption parameters. The hindrance coefficient (ratio of bound to unbound moisture) of composites was found to increase proportionately with the increase in the volume of interfacial regions. Only in carbon fiber/epoxy composite, it did not increase proportionately due to the relatively larger degradation of interface. This was correlated well with mechanical test responses wherein carbon fiber/epoxy exhibited anomalous failure modes due to relatively larger degradation of interface. Numerical simulations were also carried out to describe the moisture absorption in composites. Numerical simulations of moisture absorption in composites using time‐varying boundary conditions matched very well with experimental as well as 1D HDM results.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

“…The procedure for the fabrication of these composites were explained elsewhere by the authors. [ 29 ]…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Investigations on interfacial moisture storage and its relation to the mechanical behavior in polymer composites

Kannan

Swaminathan

2022

Polymer Composites

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A review of the effect of hydrothermal aging on the mechanical properties of 2D fiber‐reinforced resin matrix composites

Li,

Feng,

Zhang

et al. 2024

Polymers for Advanced Techs

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Abstract2D fiber reinforced resin matrix composites (2D FRRMC) are widely applied for aerospace, generator blades, and other high‐end equipment manufacturing fields due to their excellent mechanical properties. However, 2D FRRMC will face a variety of complex environments in the service process, and the long‐term complex environment will significantly impact the physical and mechanical properties of 2D FRRMC. It is necessary to understand and analyze the changes of materials during service. A comprehensive review of the research on the effect of hydrothermal aging on the mechanical properties and re‐ drying of 2D FRRMC in recent years was presented in this article, which contains interlaminar shear properties, compression properties, tensile properties, and aging mechanism, etc. Finally, the current challenges and prospects of 2D FRRMC were discussed. These discussions and proposed strategies will enlighten thoughts and offer ways to apply 2D FRRMC in complex environments better, study 2D FRRMC in complex environments, and study the effects of hydrothermal aging on materials in the future.

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Effects of functionalized graphene oxide modified sizing agent on the interfacial and mechanical properties of carbon fiber reinforced polyamide 6 composites

et al. 2022

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In this study, a novel functionalized graphene oxide (F-GO) modified polyamide 6 (PA6) sizing agent is developed to improve the interfacial and mechanical properties of carbon fiber (CF) reinforced PA6 composites. To enhance compatibility between GO and sizing agent, PA6 molecular chains are covalently grafted onto the GO sheets in advance. The results show that the F-GO modified sizing layer improves interfacial compatibility and wettability of the CF surface. Moreover, F-GO nanoparticles retard crack propagation along the interface based on the reinforcement effect. Accordingly, the interfacial shear strength increases by 54.5% from 45.1 MPa for desized CF/PA6 composites to 69.7 MPa for F-GO modified sizing agent treated CF/PA6 composites. Meanwhile, the average interlaminar shear strength, tensile strength, and flexural strength increase by 45.2%, 15.6%, and 19.3% from 45.7, 1307.4, and 792.2 MPa for desized CF/PA6 composites to 66.3, 1511.2, and 945.2 MPa for those reinforced with the CFs treated by the F-GO modified sizing agent due to the effective stress transfer across the interface. The improvement in the mechanical properties is verified based on the cross-section morphology and fracture surfaces.

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Effects of incorporating ZnO nanowires on the moisture absorption and mechanical properties of composites

Cited by 4 publications

References 41 publications

Investigations on interfacial moisture storage and its relation to the mechanical behavior in polymer composites

Investigations on interfacial moisture storage and its relation to the mechanical behavior in polymer composites

A review of the effect of hydrothermal aging on the mechanical properties of 2D fiber‐reinforced resin matrix composites

Effects of functionalized graphene oxide modified sizing agent on the interfacial and mechanical properties of carbon fiber reinforced polyamide 6 composites

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