Study on adhesive-film bonded Al/CFRP joints strengthened by ultrasonic vibration

Wang, Hui; Zhang, Chenkuo; Chen, Yizhe; Liu, Zhaoyi; Wang, Yaoyao; Hua, Lin

doi:10.1016/j.tws.2023.111072

Cited by 6 publications

(1 citation statement)

References 32 publications

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“…Carbon fiber reinforced polymer/plastic (CFRP) composites are widely used in the aerospace industry due to their low weight and high strength properties -including both high strengthto-weight ratio and high stiffness-to-weight ratio. For example, in Bombardier Series C aircraft, CFRP composites account for 46% of the structure [1], while in the Airbus A350 and Boeing 787 it is more than 50% [2]. Despite the higher requirements for military aviation, CFRP composites are also used here on a regular basis.…”

Section: Introductionmentioning

confidence: 99%

Selected Methods of Modifying the Surface Layer of a Carbon Composite

Kłonica,

Kubit,

Perłowski

et al. 2024

Adv. Sci. Technol. Res. J.

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This article presents the results of a comparative study on the modification of the surface layer of carbon composites. Fibre-reinforced polymer (FRP) composite materials are heterogeneous and anisotropic materials, characterised by high strength, low density, corrosion resistance along with ease of processing and moulding, and are increasingly replacing metal alloys. They are widely used in aviation, automotive and transport applications. One example of a modern composite is carbon fibre-reinforced polymer (CFRP). This study presents the influence of selected modifications of the surface layer of a CFRP composite on the values of free surface energy (SFE) and surface topography. The resulting SFE values were analysed together with the contribution of the polar SFE and dispersive SFE components. The article also presents the test results related to selected 3D surface roughness parameters and includes photographs of the test specimens after surface layer modification. The results were statistically processed in compliance with good research practice.

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Section: Introductionmentioning

confidence: 99%

Selected Methods of Modifying the Surface Layer of a Carbon Composite

Kłonica,

Kubit,

Perłowski

et al. 2024

Adv. Sci. Technol. Res. J.

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Direct printing of carbon fiber reinforced thermoplastic plastic on metal sheets via fused deposition modeling assisted by laser texturing

Wang,

Liu,

Qin

et al. 2024

Polymer Composites

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Printing polymers on metal surfaces using fused deposition modeling could enhance the versatility of hybrid structures. However, the differences between metals and plastics prevented the effective spreading of molten plastic on metal surfaces, challenging reliable plastic printing on metal substrates. This study employed a nanosecond laser to fabricate laser‐textured grids of varying widths (0.2–0.5 mm) on a 6061 aluminum alloy (6061Al) surface. Carbon fiber reinforced thermoplastic plastic (CFRTP) was printed on 6061Al surface in different printing directions (0°, 45°, and 90°). The influence of laser texturing and printing direction on joint performance was evaluated. The findings indicated the laser‐texturing increased 6061Al surface roughness, enhancing wettability of CFRTP on 6061Al surface. The 45° printing direction provided the best wetting, resulting in a tensile‐shear force of 1631.7 N, 218% higher than at 90°. Optimal performance was achieved with a 0.5‐mm texture width, increasing tensile‐shear force by 180% compared to 0.2 mm and 67% compared to 0.6 mm. Interfacial stress concentration decreased and then increased with the increase of laser‐textured width and the 45° printing direction provided the longest print path and best resin spreading. This research presented a novel approach to metal‐polymer joining, with significant implications for advanced lightweight hybrid structures.Highlights Printing carbon fiber reinforced thermoplastic plastic (CFRTP) on 6061 aluminum alloy (6061Al) surface was achieved by fused deposition modeling via laser texturing. The print direction affected the wetting and spreading space of the molten resin. Pinning effect of printed CFRTP/6061Al by laser texturing was studied. The spreading and wetting of resin determined the mechanical properties.

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A novel method for reducing the welding pressure requirement in resistance welding of thermoplastic composites

Ma,

Xu,

et al. 2024

Composites Science and Technology

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Study on adhesive-film bonded Al/CFRP joints strengthened by ultrasonic vibration

Cited by 6 publications

References 32 publications

Selected Methods of Modifying the Surface Layer of a Carbon Composite

Selected Methods of Modifying the Surface Layer of a Carbon Composite

Direct printing of carbon fiber reinforced thermoplastic plastic on metal sheets via fused deposition modeling assisted by laser texturing

A novel method for reducing the welding pressure requirement in resistance welding of thermoplastic composites

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