Abstract
Production of high strength, high stiffness, and safety-relevant profile parts is feasible through the sequence of media-based forming and in-die quenching. As forming media, solid granular media have been recently introduced. In this work, the granular media tube press hardening process with additional axial feeding is investigated in order to enhance the tube thickness distribution and to enlarge the process window. The experiments show that, compared to the process with frictional feed, the limits for insufficient forming and wrinkling are unaffected by the change of the feeding system, while the area for intolerable thinning is reduced. Additionally, through the new feeding system, a higher degree of design freedom could be achieved, e.g., shoulder angles of 90° are possible. Furthermore, for the design of the process, an advanced FEM simulation has been developed, which is based on the Drucker–Prager cap model and covers also the thermal interactions.
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References
Mennecart T, Rostek T, Witulski J et al (2011) Presshärten von Rohren und Profilen mittels formlos fester Stoffe. Erlanger Work Warmblechumformung 117–128
Grüner M, Merklein M (2010) Numerical simulation of hydro forming at elevated temperatures with granular material used as medium compared to the real part geometry. Int J Mater Form 3:279–282
Chen H (2017) Granular medium-based tube press hardening. Dr.-Ing Dissertation. TU Dortmund
Mueth DM, Jaeger HM, Nagel SR (1998) Force distribution in a granular medium. Phys Rev E 57:3164–3169
Chen H, Güner A, Ben KN et al (2016) Granular media-based tube press hardening. J Mater Process Technol 228:145–159
Chen H, Hess S, Haeberle J et al (2016) Enhanced granular medium-based tube and hollow profile press hardening. CIRP Ann 65:273–276
Kang BH, Lee MY, Shon SM et al (2007) Forming various shapes of tubular bellows using a single-step hydroforming process. J Mater Process Technol 194:1–6
Hoffmann E, Kamaliev M, Löbbe C, et al (2019) Enhanced process limits in the granular media-based tube forming through axial feeding. In Proceedings of 7th international conference on hot sheet metal forming of high performance steel CHS2, pp 95–102
Resende L, Martin JB (1985) Formulation of drucker-prager cap model. J Eng Mech 111:855–881
Wu C-Y, Ruddy OM, Bentham AC, et al (2005) Modelling the mechanical behaviour of pharmaceutical powders during compaction. Powder Technol 152:107–117
Koskilinna JO, Linnolahti M, Pakkanen TA (2006) Friction coefficient for hexagonal boron nitride surfaces from ab initio calculations. Tribol Lett 24:37–41
Acknowledgments
The authors acknowledge funding from the German Research Foundation (DFG) for project TE 508/52-1 “Granular media-based tube press hardening”.
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© 2021 The Minerals, Metals & Materials Society
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Hoffmann, E., Löbbe, C., Tekkaya, A.E. (2021). Experimental Analysis on Granular Media-Based Tube Forming with Active Axial Feed. In: Daehn, G., Cao, J., Kinsey, B., Tekkaya, E., Vivek, A., Yoshida, Y. (eds) Forming the Future. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-75381-8_220
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DOI: https://doi.org/10.1007/978-3-030-75381-8_220
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