On the Design, Characterization and Simulation of Hybrid Metal-Composite Interfaces

Kießling, Robert; Ihlemann, Jörn; Pohl, M.; Stommel, Markus; Dammann, Christian; Mahnken, Rolf; Bobbert, Mathias; Meschut, Gerson; Hirsch, Franz; Kästner, Markus

doi:10.1007/s10443-016-9526-z

Cited by 18 publications

(8 citation statements)

References 61 publications

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“…In the literature, besides modelling the production properties [ 18 , 19 ], only a few modelling approaches can be observed for the determination of the strength of laser-based plastic-metal hybrid joints. A comprehensive overview of modeling techniques of hybrid metal-composite interfaces can be found in [ 12 ].…”

Section: Modeling Methodologymentioning

confidence: 99%

“…Although there is much research being conducted on the joining technology, there is insufficient work available on modeling the mechanical properties. Despite the high relevance of the plastic-metal interface [ 12 ], there are currently no experimentally validated physical models, such as finite element models, that can capture the influence of the microstructure on the strength. Furthermore, the application of surrogate models for the strength determination of laser-based plastic–metal joints has not yet been explored.…”

Section: Introductionmentioning

confidence: 99%

“…Previous investigations [6,7,10,11] show a variation in strength for different microstructures up to 25 MPa. Considering parameters from both micro and meso levels is essential for the mechanical design of laser-based plastic-metal joints [12]. Currently, the design is mainly based on experiments, which have to be repeated when changing the microstructure or the material.…”

Section: Introductionmentioning

confidence: 99%

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Model-Based Estimation of the Strength of Laser-Based Plastic-Metal Joints Using Finite Element Microstructure Models and Regression Models

et al. 2021

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Plastic-metal joints with a laser-structured metal surface have a high potential to reduce cost and weight compared to conventional joining technologies. However, their application is currently inhibited due to the absence of simulation methods and models for mechanical design. Thus, this paper presents a model-based approach for the strength estimation of laser-based plastic-metal joints. The approach aims to provide a methodology for the efficient creation of surrogate models, which can capture the influence of the microstructure parameters on the joint strength. A parametrization rule for the shape of the microstructure is developed using microsection analysis. Then, a parameterized finite element (FE) model of the joining zone on micro level is developed. Different statistical plans and model fits are tested, and the predicted strength of the FE model and the surrogate models are compared against experiments for different microstructure geometries. The joint strength is predicted by the FE model with a 3.7% error. Surrogate modelling using half-factorial experimental design and linear regression shows the best accuracy (6.2% error). This surrogate model can be efficiently created as only 16 samples are required. Furthermore, the surrogate model is provided as an equation, offering the designer a convenient tool to estimate parameter sensitivities.

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Section: Modeling Methodologymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Model-Based Estimation of the Strength of Laser-Based Plastic-Metal Joints Using Finite Element Microstructure Models and Regression Models

et al. 2021

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“…Cohesive zone model approach can be effectively used to simulate the behavior of the interfaces; in this case, the shape of the cohesive laws can be adjusted to conform to the behavior of the material or interface they are simulating [32,33].…”

Section: Description Of Materials Main Propertiesmentioning

confidence: 99%

Fatigue crack growth of new FML composites for light ship buildings under predominant mode II loading condition

Giallanza

Parrinello

Ruggiero

et al. 2019

Int J Interact Des Manuf

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Your article is protected by copyright and all rights are held exclusively by Springer-Verlag France SAS, part of Springer Nature. This eoffprint is for personal use only and shall not be self-archived in electronic repositories. If you wish to self-archive your article, please use the accepted manuscript version for posting on your own website. You may further deposit the accepted manuscript version in any repository, provided it is only made publicly available 12 months after official publication or later and provided acknowledgement is given to the original source of publication and a link is inserted to the published article on Springer's website. The link must be accompanied by the following text: "The final publication is available at link.springer.com".

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“…Besides the development of materials and structures, specific nondestructive inspection (NDI) techniques are studied actively, in order to detect and identify damages which are specific to these materials. Full composite structures however do not always comply with some specific requirements and hybrid structures, incorporating both composites and metals [1], are still necessary. In such case, adapted NDI must also be studied and assessed.…”

Section: Introductionmentioning

confidence: 99%

Thermography and Shearography Inspection of Composite Hybrid Sandwich Structure Made of CFRP and GFRP Core and Titanium Skins

Georges

Šrajbr²,

Menner³

et al. 2018

The 18th International Conference on Experimental Mechanics

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Abstract:We have investigated several full-field contactless techniques, such as thermography and shearography, with several excitation methods for inspecting hybrid composite-metal sandwich structures. The latter are made of a core with epoxy reinforced by carbon and glass fibers and skins of titanium. Several calibrated defects are incorporated at different places in depth and are made of air gaps and inserts.

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On the Design, Characterization and Simulation of Hybrid Metal-Composite Interfaces

Cited by 18 publications

References 61 publications

Model-Based Estimation of the Strength of Laser-Based Plastic-Metal Joints Using Finite Element Microstructure Models and Regression Models

Model-Based Estimation of the Strength of Laser-Based Plastic-Metal Joints Using Finite Element Microstructure Models and Regression Models

Fatigue crack growth of new FML composites for light ship buildings under predominant mode II loading condition

Thermography and Shearography Inspection of Composite Hybrid Sandwich Structure Made of CFRP and GFRP Core and Titanium Skins

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