Adhesion Theories and Effect of Surface Roughness on Energy Estimation and Wettability of Polymeric Composites Bonded Joints: A-Review

Bukhari, Muhammad Dawood; Gohar, Ghulam Abbas; Akhtar, Awais; Ullah, Sana; Akram, Muhammad Yasir; Abid, Jawad; Raza, Hassan

doi:10.36297/vw.applsci.v2i1.37

Cited by 13 publications

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“…These improvements rely on multimaterial structures in which polymers and metals are required to be strongly bonded together. However, designing appropriate bonding processes for polymers and metals is often challenging due to the many parameters affecting their interfacial properties, such as the mechanical properties and functional groups of metals and polymers, and microstructures of the metal surfaces. , In addition to the properties of polymers and metals, the bonding processes themselves usually involve many parameters, including curing time and temperature for polymers and surface treatment for polymer or metal surfaces, which also need to be optimized to achieve a strong and reliable bond . However, as yet, there is not a full understanding of the contributions of these factors, which makes designing joining processes difficult.…”

Section: Introductionmentioning

confidence: 99%

Effect of Varying Stiffness and Functionalization on the Interfacial Failure Behavior of Isotactic Polypropylene on Hydroxylated γ-Al₂O₃ by MD Simulation

Suganuma

Elliott

2023

ACS Appl. Mater. Interfaces

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This study focuses on polymer−metal joints consisting of isotactic polypropylene (iPP) or iPP grafted with maleic anhydride (iPP-g-MA) and hydroxylated γ-Al 2 O 3 , which is a model for an oxidized aluminum surface, and investigates the contributions of the Young's moduli of iPP and iPP-g-MA and chemical functionality (MA groups) in iPP-g-MA to the interfacial failure behaviors using the molecular dynamics (MD) simulation method. First, our calculations demonstrated that the tensile strength observed in interfacial failures of the joints increases as Young's modulus of the polymer in the joints increases. This is because a higher stiffness makes it harder for a void to form within the polymer matrix under the applied tensile strain and to reach the interface. Second, in iPP-g-MA−γ-Al 2 O 3 joints, MA groups work more effectively to improve the interfacial strength as the Young's modulus of the polymer in the joints increases. For iPP-g-MA with a lower Young's modulus, the polymer molecules are pulled off the surface in a peel mode with increasing normal strain due to their greater flexibility. This results in a gradual removal of the MA groups and thus reduces their contribution. Meanwhile, for a higher Young's modulus, iPP-g-MA molecules at the interface are removed in a tensile mode because of their increased stiffness. This leads to more MA groups required to be detached from the surface at the same time to cause interfacial failure, thus increasing the contributions of the MA groups.

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Section: Introductionmentioning

confidence: 99%

Effect of Varying Stiffness and Functionalization on the Interfacial Failure Behavior of Isotactic Polypropylene on Hydroxylated γ-Al₂O₃ by MD Simulation

Suganuma

Elliott

2023

ACS Appl. Mater. Interfaces

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“…Concentric layers are piled in a tubular configuration to generate MWCNTs, which have an excellent tensile strength (∼150 GPa), a high aspect ratio ranging from 10:1∼1000:1, and exceptional stiffness [18]. In addition, MWCNTs have a diameter that varies from 1.4 nm to 100 nm and an elasticity modulus of 270 GPa and 1 TPa, respectively [19][20][21][22], making them more appealing to be utilized in polymeric matrices to enhance the mechanical properties. Numerous attempts have been undertaken to investigate the influence of MWCNTs incorporation on the physio-mechanical characteristics of nanocomposites.…”

Section: Introductionmentioning

confidence: 99%

Achieving enhanced tensile properties of polyurethane-multiwall carbon nanotubes nanocomposites

Gohar,

Akhtar,

Raza

et al. 2023

Nano Ex.

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Polymeric nanocomposites have emerged as a promising class of materials with improved strength, stiffness, and toughness compared to pure polymers. The incorporation of nanoparticles into polymer matrices, such as carbon nanotubes, graphene, clay nanoparticles, and metal oxides, has shown considerable potential for enhancing the properties of the produced nanocomposites. Herein, the influence of filtered multiwalled carbon nanotubes (MWCNTs) on solution-cast polyurethane (PU) nanocomposite is explored. Scanning electron microscopy (SEM), x-ray diffraction (XRD), Raman spectroscopy, thermogravimetric analysis (TGA), and x-rays photoelectron spectroscopy (XPS), respectively, were employed to characterize the morphology, crystal structure, phase, thermal stability, and oxidation states of the samples. MWCNTs with a higher weight% of MWCNTs showcased superior mechanical properties compared to base polymer (PU). The nanocomposite with 1 wt% of MWCNTs and 99 wt% of PU exhibited the highest stress (19.25 N mm−2) and strain (700.22%) among all fabricated samples. Also, Modulus of elasticity (∼25%), Ultimate tensile strength (∼21%), and elongation at break (∼11%) are increased by incorporating 0.5 wt% MWCNTs into PU matrix. The attainment of these remarkable mechanical properties could be attributed to excellent dispersion, interfacial bonding and structural stability of filtered MWCNTs in the nanocomposites.

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“…7,8 For the adhesive bonding of polymer material, the crucial factors that have the greatest influence on its performance are the surface treatment methods and adhesive parameters. 7,9 The influence of different surface treatment methods on the wood-to-polymer bonded joint was researched by Necasov a et al 10 Diverse surface treatment methods included mechanical modification by sandpaper, chemical etching, and physical modification by plasma source. 10 The results reported that all surface treatment methods could improve the adhesive properties and the bond strength.…”

Section: Introductionmentioning

confidence: 99%

“…Although the adhesive bonding technology has been proposed for a long time, its application in engineering is still relatively late 7,8 . For the adhesive bonding of polymer material, the crucial factors that have the greatest influence on its performance are the surface treatment methods and adhesive parameters 7,9 . The influence of different surface treatment methods on the wood‐to‐polymer bonded joint was researched by Necasová et al 10 Diverse surface treatment methods included mechanical modification by sandpaper, chemical etching, and physical modification by plasma source 10 .…”

Section: Introductionmentioning

confidence: 99%

Research on the rectangular clinching process for metal and polyoxymethylene sheets

Ouyang

Chen

2022

J of Applied Polymer Sci

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Polyoxymethylene (POM), as an energy‐saving material, is widely applied in the manufacturing field. Yet, research on the rectangular clinching process between metal and POM sheets is still lacking. In this paper, the rectangular clinching process for POM and Al5052‐H32 plates was investigated. The feasibility of the metal–polymer hybrid component had been analyzed in terms of diverse forming forces and diverse joint layout angles, respectively. The mechanical characteristics were appraised by the lap‐shear test. The failure modes of rectangular clinched joints produced under diverse forming conditions had also been analyzed. The results showed that the optimal forming force of rectangular clinched joints was 14 kN, in which the lap‐shear strength was 1090 N. Furthermore, the rectangular clinched joints produced under the joint layout angle of 90° could withstand the maximum lap‐shear load (1415 N) under the optimal forming force. The failure mode was the separation of two plates and the fracture of the bridge structures.

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Adhesion Theories and Effect of Surface Roughness on Energy Estimation and Wettability of Polymeric Composites Bonded Joints: A-Review

Cited by 13 publications

References 0 publications

Effect of Varying Stiffness and Functionalization on the Interfacial Failure Behavior of Isotactic Polypropylene on Hydroxylated γ-Al₂O₃ by MD Simulation

Effect of Varying Stiffness and Functionalization on the Interfacial Failure Behavior of Isotactic Polypropylene on Hydroxylated γ-Al₂O₃ by MD Simulation

Achieving enhanced tensile properties of polyurethane-multiwall carbon nanotubes nanocomposites

Research on the rectangular clinching process for metal and polyoxymethylene sheets

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Adhesion Theories and Effect of Surface Roughness on Energy Estimation and Wettability of Polymeric Composites Bonded Joints: A-Review

Cited by 13 publications

References 0 publications

Effect of Varying Stiffness and Functionalization on the Interfacial Failure Behavior of Isotactic Polypropylene on Hydroxylated γ-Al2O3 by MD Simulation

Effect of Varying Stiffness and Functionalization on the Interfacial Failure Behavior of Isotactic Polypropylene on Hydroxylated γ-Al2O3 by MD Simulation

Achieving enhanced tensile properties of polyurethane-multiwall carbon nanotubes nanocomposites

Research on the rectangular clinching process for metal and polyoxymethylene sheets

Contact Info

Product

Resources

About

Effect of Varying Stiffness and Functionalization on the Interfacial Failure Behavior of Isotactic Polypropylene on Hydroxylated γ-Al₂O₃ by MD Simulation

Effect of Varying Stiffness and Functionalization on the Interfacial Failure Behavior of Isotactic Polypropylene on Hydroxylated γ-Al₂O₃ by MD Simulation