Direct Bonding of Polymer and Metal with an Ultrahigh Strength: Laser Treatment and Mechanical Interlocking

Xu, Rui; Xie, Yi Min; Li, Ruilong; Zhang, Jihai; Zhou, Tao

doi:10.1002/adem.202001288

Cited by 22 publications

(7 citation statements)

References 39 publications

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“…Xu et al [ 88 ] investigated the joining strength of PBT‐30GF/AA5052 single‐lap joints, using a 355 nm ultraviolet (UV) laser to structure square grid‐shaped grooves on the metal surface, with line spacing (i.e., the distance between two adjacent lines) of 30–240 μm, depth of 22–29 μm and an average width of 17 μm. The injection molding conditions were kept constant, and, after overmolding, grid‐shaped micro‐level polymer rivets were formed.…”

Section: Correlation Between Metal Surface Preparation Methods Proces...mentioning

confidence: 99%

Injection overmolding of polymer‐metal hybrid structures: A review

Vasconcelos

Oliveira

Amancio‐Filho

et al. 2023

Polymer Engineering & Sci

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Polymer‐metal hybrid (PMH) structures, also known as metal‐polymer hybrid (MPH) structures, have received considerable attention from industry and academia due to the societal need for developing strong, lightweight, and durable structures for several applications in strategic areas, such as transportation, household appliances, energy, and biomedical devices. Injection overmolding is an advantageous technique for manufacturing PMH structures as it combines automation, a fast process, cost efficiency, and dimensional accuracy. This review presents a comprehensive discussion of recent advances reported in the literature concerning PMH structures fabricated by direct‐adhesion injection overmolding. Following a general introduction, the fundamentals of the injection overmolding technique are presented. Next, the potential of some metal surface preparation methods to ensure good adhesion, and thus outstanding mechanical performance in injection overmolded PMH structures is discussed. Correlations are then made between metal surface features, processing parameters, and the mechanical strength of injection overmolded polymer‐metal joints. Some applications of injection overmolded PMH structures are explored, and, lastly, the main conclusions and prospects on the use of injection overmolding are presented.

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Section: Correlation Between Metal Surface Preparation Methods Proces...mentioning

confidence: 99%

Injection overmolding of polymer‐metal hybrid structures: A review

Vasconcelos

Oliveira

Amancio‐Filho

et al. 2023

Polymer Engineering & Sci

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“…Composites consisting of metallic and polymeric parts with significantly enhanced properties, such as a perfect balance between flexibility and high toughness of the mate-rial [15], open new applications, e.g., in a trans-tissue (bone and ligaments) region [16,17]. Conventionally, composites are created using "mechanical" methods, consisting of smelting and casting, or polymer interlocking during polymerization.…”

Section: Introductionmentioning

confidence: 99%

Polymer-Metal Bilayer with Alkoxy Groups for Antibacterial Improvement

Idriss,

Kutová,

Rimpelová

et al. 2024

Preprint

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Many bio-applicable materials, medical devices, and prosthetics combine both polymer and metal components to benefit from their complementary properties. This goal is normally achieved by their mechanical bonding or casting only. Here, we report an alternative easy method for the chemical grafting of a polymer on the surfaces of a metal or metal alloys using alkoxy amine salt as a coupling agent. The surface morphology of the created composites was studied by various microscopy methods, and their surface area and porosity were determined by adsorption/desorption nitrogen isotherms. The surface chemical composition was also examined by various spectroscopy techniques and electrokinetic analysis. Elements distribution on the surface was determined and successful bonding of the metal/alloys on one side with the polymer on the other one was confirmed by alkoxy amine. The composites show significantly increased wettability, reliable chemical stability of the bonding, excellent bacterial anti-adhesive properties and functionality, i.e. the characteristics promising for their application in biomedical field.

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“…Due to high flexibility, environmental friendliness, laser processing technology has broader applications in producing surface topographies on metallic materials than other techniques. , The dimension of laser-produced surface topographies varies from tens to hundreds of micrometers with processing parameters and types of laser machines. There are four types of regular surface topographies commonly reported at the laser processing of metals, namely, dimple, groove, , grid, and papillae, where papillae topography can only be fabricated using special parameters via the deposition of sputtering metallic materials. Therefore, most studies focus on the influence of dimples, grooves, and grids on interfacial bonding strength between polymer and metals.…”

Section: Introductionmentioning

confidence: 99%

Interface Wetting Driven by Laplace Pressure on Multiscale Topographies and Its Application to Performance Enhancement of Metal-Composite Hybrid Structure

Wan

Teng

et al. 2023

ACS Appl. Mater. Interfaces

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In this study, the wetting behavior of polymer on aluminum surfaces with multiscale topographies was theoretically and experimentally investigated to realize stable and complete wetting. Geometric dimensions of multiscale surface topographies have a notable impact on interfacial forces at the three-phase contact line of polymer/air/aluminum, and a competition exists between Laplace pressure and bubble pressure in dominating the wetting behavior. Laplace pressure facilitates the degassing of trapped air bubbles in grooves, bringing more robust interfacial wettability to grooves than dimples and grids. Conversely, dimples with excessive dimensions generate interfacial pores, and this intrinsic mechanism is theoretically unraveled. Moreover, different degrees of interface wetting cause variations in bonding strength of polymer−aluminum interface, which changes from ∼18% improvement to ∼17% reduction compared to original strength. Finally, groove topography perfectly achieved complete wetting between polymer and aluminum and consequently improved flexure performance by over 11% for the aluminum−carbon fiber hybrid side impact bar, which verifies the importance of complete wetting at a part scale. This study deepens the understanding of wetting behavior and clarifies the intrinsic correlation between interfacial bonding performance and surface topography.

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Direct Bonding of Polymer and Metal with an Ultrahigh Strength: Laser Treatment and Mechanical Interlocking

Abstract: Figure 5. a) XPS spectrum of Al alloy surface without and with laser treatment; b) high-resolution XPS of Al alloy surface without laser treatment in the Al 2p region; c) High-resolution XPS of Al alloy surface with laser treatment in the Al 2p region.

Cited by 22 publications

References 39 publications

Injection overmolding of polymer‐metal hybrid structures: A review

Injection overmolding of polymer‐metal hybrid structures: A review

Polymer-Metal Bilayer with Alkoxy Groups for Antibacterial Improvement

Interface Wetting Driven by Laplace Pressure on Multiscale Topographies and Its Application to Performance Enhancement of Metal-Composite Hybrid Structure

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