Abstract
In the development of innovative lightweight solutions in automotive engineering, the use of the mechanical joining technique clinching offers the possibility of joining mixed structures with a wide range of requirement profiles. In order to be able to predict the material failure behavior of clinched structures under crash-like scenarios and to design components accordingly, investigations of the load-bearing behavior of clinched joints under high strain rate loading are necessary. For this reason, shear tensile tests on clinched joints under impact load application are to be carried out and evaluated with regard to their load-bearing capacities within the scope of this work using the aluminum alloy EN AW-6014 T4. In addition, the influence of plastic preforming of the parts to be joined is investigated. Furthermore, corresponding numerical investigations are carried out, for which the strain rate dependency of the material's plasticity is first characterized experimentally and implemented in the material model. Subsequently, the experimentally and numerically determined load-bearing capacities of the clinched joints are compared and discussed.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Mallick, P.K. (ed.): Materials, Design and Manufacturing For Lightweight Vehicles. Woodhead Publishing in materials, CRC Press, Boca Raton, Fla, Oxford (2011)
DIN Deutsches Institut für Normung e. V. DIN 8593–5: Manufacturing processes joining: Part 5: Joining by forming processing - Classification, subdivision, terms and definitions(2003)
DVS - Deutscher Verband für Schweißen und verwandte Verfahren e.V. Merkblatt DVS/EFB 3420: Clinching – basics (2021)
DVS – Deutscher Verband für Schweißen und verwandte Verfahren e.V. Merkblatt DVS/EFB 3480-1: Testing of Properties of Joints Testing of properties of mechanical and hybrid (mechanical/bonded) joints (2007)
Lambiase, F., Di Ilio, A.: An experimental study on clinched joints realized with different dies. Thin-Walled Struct. 85, 71–80 (2014). https://doi.org/10.1016/j.tws.2014.08.004
He, X., Zhao, L., Yang, H., et al.: Investigations of strength and energy absorption of clinched joints. Comput. Mater. Sci. 94, 58–65 (2014). https://doi.org/10.1016/j.commatsci.2014.01.056
Coppieters, S., et al.: Numerical and experimental study of the multi-axial quasi-static strength of clinched connections. Int. J. Mater. Form. 6(4), 437–451 (2012). https://doi.org/10.1007/s12289-012-1097-4
Mucha, J., Witkowski, W.: The clinching joints strength analysis in the aspects of changes in the forming technology and load conditions. Thin-Walled Struct. 82, 55–66 (2014). https://doi.org/10.1016/j.tws.2014.04.001
Lee, C.-J., Kim, J.-Y., Lee, S.-K., et al.: Design of mechanical clinching tools for joining of aluminium alloy sheets. Mater. Des. 31, 1854–1861 (2010). https://doi.org/10.1016/j.matdes.2009.10.064
Ge, Y., Xia, Y.: Mechanical characterization of a steel-aluminum clinched joint under impact loading. Thin-Walled Struct. 151, 106759 (2020). https://doi.org/10.1016/j.tws.2020.106759
Hahn, O., Kurzok, J.R.: Forming technology joining of preformed sheet metals - Part 1: Steel (Umformtechnisches Fügen vorverformter Halbzeuge - Teil 1: Stahl), Als Ms. gedr. Berichte aus dem Laboratorium für Werkstoff- und Fügetechnik, vol 37. Shaker, Aachen (1998)
Hahn, O., Kurzok, J.R.: Forming technology joining of preformed sheet metals - Part 2: Aluminum (Umformtechnisches Fügen vorverformter Halbzeuge - Teil 1: Aluminium), Als Ms. gedr. Berichte aus dem Laboratorium für Werkstoff- und Fügetechnik, vol 37. Shaker, Aachen (1998)
Bielak, C., Böhnke, M., Beck, R., et al.: Numerical analysis of the robustness of clinching process considering the pre-forming of the parts, vol. 3 (2021)
Bielak, C.R., Böhnke, M., Bobbert, M., et al.: Further development of a numerical method for analyzing the load capacity of clinched joints in versatile process chains. ESAFORM 2021 (2021). https://doi.org/10.25518/esaform21.4298
Jiang, T., Liu, Z.-X., Wang, P.-C.: Effect of aluminum pre-straining on strength of clinched galvanized SAE1004 steel-to-AA6111-T4 aluminum. J. Mater. Process. Technol. 215, 193–204 (2015). https://doi.org/10.1016/j.jmatprotec.2014.08.016
Novelis GLobal Automotive. EN AW-6014 T4 - Material Data Sheet: Novelis Advanz 6F - e170 (2019)
Bielak, C.R., Böhnke, M., Bobbert, M., Meschut,. G. (ed.): Experimental und numerical Investigation on manufacturing-induced pre-strain on the load-bearing capacity of clinched joints(2022)
Böhme, W., Luke, M., Blauel, J.G., et al.: Dynamic material characteristics for crash simulation (Dynamische Werkstoffkennwerte für die Crashsimulation). FAT- Publications (2007)
Böhnke, M., Unruh, E., Sell, S., et al.: Functionality study of an optical measurement concept for local force signal determination in high strain rate tensile tests. KEM 926, 1564–1572 (2022). https://doi.org/10.4028/p-wpuzyw
Bielak, C.R., Böhnke, M., Bobbert, M., Meschut, G.: Development of a numerical 3D model for analyzing clinched joints in versatile process chains. In: Inal, K., Levesque, J., Worswick, M., Butcher, C. (eds.) NUMISHEET 2022: Proceedings of the 12th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes, pp. 165–172. Springer International Publishing, Cham (2022). https://doi.org/10.1007/978-3-031-06212-4_15
Böhnke, M., Kappe, F., Bobbert, M., et al.: Influence of various procedures for the determination of flow curves on the predictive accuracy of numerical simulations for mechanical joining processes. Mater. Test. 63, 493–500 (2021). https://doi.org/10.1515/mt-2020-0082
Kupfer, R., Köhler, D., Römisch, D., et al.: Clinching of aluminum materials – methods for the continuous characterization of process, microstructure and properties. J. Adv. Join. Process. 5, 100108 (2022). https://doi.org/10.1016/j.jajp.2022.100108
Friedlein, J.: Influence of plastic orthotropy on clinching of sheet metal. In: Sheet Metal 2023. Materials Research Forum LLC, pp. 133–140 (2023)
Böhnke, M., Rossel, M., Bielak, C.R., Bobbert, M., Meschut, G.: Concept development of a method for identifying friction coefficients for the numerical simulation of clinching processes. Int. J. Adv. Manufac. Technol. 118(5–6), 1627–1639 (2021). https://doi.org/10.1007/s00170-021-07986-4
Acknowledgement
Funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – TRR 285 – Project-ID 418701707.
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2024 The Author(s), under exclusive license to Springer Nature Switzerland AG
About this paper
Cite this paper
Böhnke, M., Bielak, C.R., Bobbert, M., Meschut, G. (2024). Experimental and Numerical Investigation of Clinched Joints Under Shear Tensile Loading at High Strain Rates. In: Mocellin, K., Bouchard, PO., Bigot, R., Balan, T. (eds) Proceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity. ICTP 2023. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-031-41341-4_12
Download citation
DOI: https://doi.org/10.1007/978-3-031-41341-4_12
Published:
Publisher Name: Springer, Cham
Print ISBN: 978-3-031-41340-7
Online ISBN: 978-3-031-41341-4
eBook Packages: EngineeringEngineering (R0)