Combining mechanical interlocking, force fit and direct adhesion in polymer–metal-hybrid structures – Evaluation of the deformation and damage behavior

Paul, Hanna; Luke, Michael; Henning, Frank

doi:10.1016/j.compositesb.2014.12.013

Cited by 26 publications

(12 citation statements)

References 20 publications

(26 reference statements)

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“…Polymer-metal hybrid structures are promising energy-saving materials for manufacturing lightweight and high-mechanical-strength components, mainly for aerospace, automotive, railway, and household appliances. The joining processes of advanced hybrid materials usually involves mechanical coupling, while the molten polymer is formed by joining polymeric rivets in the through-holes of the metallic part [1][2][3][4]. With the production of metal-polymeric parts by means of injection molding, their features depend on those of the adhesion bonding.…”

Section: Introductionmentioning

confidence: 99%

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Deformation Mechanism in Mechanically Coupled Polymer–Metal Hybrid Joints

et al. 2020

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In this, work, metal inserts were joined with polyamide 6 by using the injection-molding technique. The metal parts, made of steel grade DC 04, were mechanically interlocked with polyamide 6 (PA6) by rivets as a mechanical connection between both components in the form of s polymer filling the holes in the metallic parts. The mechanical-interlocking joints made of steel/PA6 were mechanically tested in a tensile-lap-shear test. The damage behavior of the joined materials in relation to rivet number and position on the metal plate was studied. The observation of rivet deformation was also conducted by infrared IR thermography. The study showed that, for polymer–metal joined samples with fewer than three rivets, the destruction of rivets by shearing meant sample damage. On the other hand, when the polymer–metal joint was made with three or four rivets, the disruption mechanism was mostly related to the polymer part breaking. The maximal values of the joint’s failure force under tensile-shear tests were achieved for samples where three rivets were used. Moreover, strong correlation was found between the surface temperature of the samples and their maximal force during the tensile-lap-shear test.

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Section: Introductionmentioning

confidence: 99%

“…For each tensile test, six samples were used. Most tested specimens were damaged via detachment between polymer and metal pieces 2. Temperature recorded during lap-shear tests by thermography camera.…”

mentioning

confidence: 99%

Deformation Mechanism in Mechanically Coupled Polymer–Metal Hybrid Joints

et al. 2020

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“…The form‐fit elements, established since the 1990s, are through‐moulding points, beams with undercuts and overmoulded edges which form a permanent joint between the two materials [3, 11–14], Figure 1 left. Especially through‐moulding points which are rivet‐like connections, are an established industry standard as form‐fit elements.…”

Section: State Of the Artmentioning

confidence: 99%

“…Some of the processes to create form‐fit elements are already used in the Post‐Mould‐Assembly of plastic‐metal‐hybrids or fibre reinforced plastic‐metal hybrids by means of laser transmission welding or thermal direct joining [7, 25, 26]. The In‐Mould‐Assembly and its boundary conditions by overmoulding directly in the injection mould has not been subject of many investigations [14, 23, 27]. Especially the potential of using electron beam structuring to create addition‐and‐subtraction form‐fit elements to join plastic‐metal hybrids via In‐Mould‐Assembly has not been investigated.…”

Section: State Of the Artmentioning

confidence: 99%

Joining of plastic‐metal hybrid components by overmoulding of specially designed form‐closure elements

Wurzbacher

Gach

Reisgen

et al. 2021

Materialwissenschaft Werkst

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Ecological and economic aspects nowadays increasingly require the development of weight‐reduced designs and energy‐efficient production processes. Particularly in the field of modern vehicle or aircraft construction, developers endeavour to take into account the ever more extensive customer requirements for safety and comfort by using lightweight construction. In many lightweight construction applications, alongside the classic material steel, plastics and the light metals aluminium, magnesium and titanium are being used. Due to a wide variety of requirements, the combination of different material classes to form hybrids will become even more important in the future. Injection moulding is an established method to join plastic‐metal hybrid components. In the present study, the potentials of electron beam structuring by means of surfi‐sculpt, an electron beam material processing technology, on different lightweight materials for the generation of form‐fit elements in plastic‐metal‐hybrid components to be used to join both materials by overmoulding are analysed. The analysis is performed by means of tensile shear test specimens.

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“…Meanwhile, the polymermetal hybrid (PMH) with features of lightweight, high strength, and easy processing are receiving more and more attention. [1][2][3][4][5][6][7] The PMH refers to a hybrid material in which a metal and a polymer resin are bonded in a particular form, expecting that two parts are interpenetrated at the bonding interface, and the remaining portions separately present their respective metal or plastic properties. Therefore, the adhesion of metal and polymer resin at the interface becomes a key point.…”

Section: Introductionmentioning

confidence: 99%