Thermisches Direktfügen von Metall und Kunststoff – Eine Alternative zur Klebtechnik?

Scheik, Sven; Schleser, Markus; Reisgen, Uwe

doi:10.1007/978-3-658-04025-3_16

Cited by 6 publications

(3 citation statements)

References 2 publications

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“…The surface pretreatment was carried out by laser structuring; the achieved bond strength is 19 MPa. Scheick et al [11] used thermal direct joining to join 1.4301 respectively Al 3.3457 with GF-PA6. In this study GF-PA6 was plasma pretreated.…”

Section: Hybrid Joining Techniquesmentioning

confidence: 99%

Influence of Welding Temperature and Weathering on Inductive Welded Hybrid Joints Made of Steel and TP-FRPC

Weidmann

Mitscháng

2019

KEM

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Aim of this study is to investigate the influence of welding temperature and weathering on bond strength of induction welded hybrid joints made of steel and thermoplastic fiber reinforced polymer composites (TP-FRPC). The used TP-FRPC are continuous glass fiber reinforcedpolyamide 6 (PA6), -polypropylene (PP), -polycarbonate (PC) and -polyphenylenesulfide (PPS). The metal sheets are mild steel (1.0338 and 1.0330). The surface pretreatments of the metal sheets are either laser structuring in line pattern, perpendicular to the load direction, or two different types of functional coating adhesives (Köratac HL 400 and Köratac HL 403) currently used in coilcoating processes. First the process parameters were optimized for each material combination by investigating the bond strength at different welding temperatures. In a second step, for each material combination, specimens were welded using the determined welding temperatures with the highest bond strength in order to investigate the influence of weathering on hybrid joints. Therefore the cataplasma test (DIN EN 13523-27: 2009) as well as alternating climatic change (BMW PR 308.2) were used. Figure 1: Induction heating of electric conductive material Induction coil Electric conductive material Induced eddy currents Alternating electomagnetic fields This is an open access article under the CC-BY 4.0 license (https://creativecommons.org/licenses/by/4.0/)

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Section: Hybrid Joining Techniquesmentioning

confidence: 99%

Influence of Welding Temperature and Weathering on Inductive Welded Hybrid Joints Made of Steel and TP-FRPC

Weidmann

Mitscháng

2019

KEM

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“…The technology is classified according to the heat input method: (a) induction, (b) friction, and (c) energy beam. [3] The focus of current investigations is set to friction spot joining, [4] induction welding [5,6] ultrasonic welding as a part of (b) [7,8], and laser-assisted welding as a part of (c). [9,10] However, in 2011, Allaer et al presented a method for the direct joining of homologous lap joints from polyphenyl-sulfone (PPS) material by IR-welding.…”

Section: Introductionmentioning

confidence: 99%

Hybrid joining of aluminum alloys and thermoplastic CFR‐PA12 manufactured by IR‐irradiation: Influence of pretreatment and aging on the mechanical properties

Meinhard

Nester

Schanz

et al. 2023

Materials & Corrosion

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In this work, a thermal direct joining process was applied to obtain hybrid composites of thermoplastic carbon fiber compounds and selected aluminum alloys. With the successful proof-of-concept, the aging behavior under hydrothermal and corrosive conditions is also investigated. Before joining, various linear surface topographies with a characteristic aspect ratio ranging from 0.1 to 2.0 were generated on the aluminum using a short-pulsed nearinfrared (NIR) laser source. By using optimized NIR laser parameters, the achieved shear strength under tensile load can reach the maximum value corresponding to the interlaminar shear strength of the used carbon fiberreinforced thermoplastic polymer. In two aging regimes under hydrothermal and corrosive conditions, a rapid and sharp decrease in mechanical strength over time was observed exclusively under corrosive conditions.

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“…The main disadvantages for series production are insufficient joining qualities, time-and cost-intensive pre-or post-treatment processes, long cycle times or the insufficient fatigue strength under changing climate conditions. Due to the different thermomechanical properties of metal and FRP, an excellent adhesion strength at the interface is necessary [7]. Gluing is one of the few processes that has been established on a large-scale production for joining FRP with metals in such a way that high safety standards can be maintained with regard to the fatigue strength in automotive applications [8,9].…”

Section: Introductionmentioning

confidence: 99%

Profile structures for economical hybrid lightweight design

Wagner

Löpitz

Knobloch

et al. 2022

TLS

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Especially in the transport sector, lightweight design with fiber reinforced plastics (FRP) is of major relevance due to CO2 reduction through mass saving [1]. In sectors like automotive, FRP are mainly used in secondary structures such as seat shells. In order to be able to operate effective FRP lightweight design in load-bearing structural components, pultruded hybrid profiles are to be established as a new tool for engineers. The profile components are characterized by a FRP base structure and a metallic core that increases the ductility. The manufacturing of the components with pultrusion ensures a large scale production. To guarantee a high covalent bond between the metal cores and the FRP, the inserts are provided by using a newly developed powder coating, which acts like a latent reactive adhesive [2]. Three different profile constructions have been verified, which are identical in the external cross-sectional shape and size, but differing in core structure. A glass-FRP-steel-combination was chosen as material and a pure FRP sample was used as a reference. The mechanical properties were investigated by using a 4-point bending test. Depending on the core structure, various failure behavior and mechanical parameters like energy absorption could be determined.

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Thermisches Direktfügen von Metall und Kunststoff – Eine Alternative zur Klebtechnik?

Cited by 6 publications

References 2 publications

Influence of Welding Temperature and Weathering on Inductive Welded Hybrid Joints Made of Steel and TP-FRPC

Influence of Welding Temperature and Weathering on Inductive Welded Hybrid Joints Made of Steel and TP-FRPC

Hybrid joining of aluminum alloys and thermoplastic CFR‐PA12 manufactured by IR‐irradiation: Influence of pretreatment and aging on the mechanical properties

Profile structures for economical hybrid lightweight design

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