Influence of the Rivet Coating on the Friction during Self-Piercing Riveting

B. Uhe, C.-M. Kuball, M. Merklein, G. Meschut, Key Engineering Materials 883 (2021) 11–18.

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Journal Article | English
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Abstract
The number of multi-material joints is increasing as a result of lightweight design. Self-piercing riveting (SPR) is an important mechanical joining technique for multi-material structures. Rivets for SPR are coated to prevent corrosion, but this coating also influences the friction that prevails during the joining process. The aim of the present investigation is to evaluate this influence. The investigation focuses on the common rivet coatings Almac® and zinc-nickel with topcoat as well as on uncoated rivet surfaces. First of all, the coating thickness and the uniformity of the coating distribution are analysed. Friction tests facilitate the classification of the surface properties. The influence of the friction on the characteristic joint parameters and the force-stroke curves is analysed by means of experimental joining tests. More in-depth knowledge of the effects that occur is achieved through the use of numerical simulation. Overall, it is shown that the surface condition of the rivet has an impact on the friction during the joining process and on the resulting joint. However, the detected deviations between different surface conditions do not restrict the operational capability of SPR and the properties of uncoated rivet surfaces, in particular, are similar to those of Almac®-coated rivets. It can thus be assumed that SPR with respect to the joining process is also possible without rivet coating in principle.
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Journal Title
Key Engineering Materials
Volume
883
Page
11-18
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Uhe B, Kuball C-M, Merklein M, Meschut G. Influence of the Rivet Coating on the Friction during Self-Piercing Riveting. Key Engineering Materials. 2021;883:11-18. doi:10.4028/www.scientific.net/KEM.883.11
Uhe, B., Kuball, C.-M., Merklein, M., & Meschut, G. (2021). Influence of the Rivet Coating on the Friction during Self-Piercing Riveting. Key Engineering Materials, 883, 11–18. https://doi.org/10.4028/www.scientific.net/KEM.883.11
@article{Uhe_Kuball_Merklein_Meschut_2021, title={Influence of the Rivet Coating on the Friction during Self-Piercing Riveting}, volume={883}, DOI={10.4028/www.scientific.net/KEM.883.11}, journal={Key Engineering Materials}, author={Uhe, Benedikt and Kuball, Clara-Maria and Merklein, Marion and Meschut, Gerson}, year={2021}, pages={11–18} }
Uhe, Benedikt, Clara-Maria Kuball, Marion Merklein, and Gerson Meschut. “Influence of the Rivet Coating on the Friction during Self-Piercing Riveting.” Key Engineering Materials 883 (2021): 11–18. https://doi.org/10.4028/www.scientific.net/KEM.883.11.
B. Uhe, C.-M. Kuball, M. Merklein, and G. Meschut, “Influence of the Rivet Coating on the Friction during Self-Piercing Riveting,” Key Engineering Materials, vol. 883, pp. 11–18, 2021.
Uhe, Benedikt, et al. “Influence of the Rivet Coating on the Friction during Self-Piercing Riveting.” Key Engineering Materials, vol. 883, 2021, pp. 11–18, doi:10.4028/www.scientific.net/KEM.883.11.

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