Finite element simulation of the deep-drawing process of a two-piece tinplate can

Horta, Renato; Moreira, Luciano Pessanha; Oliveira, Hesron Willian de; Ouverney, Thais Macedo Werbet; Silva, Aline de Souza; Francisco, Alexandre Santos

doi:10.20906/cps/cilamce2017-0341

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“…The material parameters were measured with standard tensile tests as well. To analyse the wall thinning effect during a deep drawing process of two-piece cans in 2017, Horta et al [15] used a standard tensile test, Swift hardening equation and Hill48 yield locus to describe the material behaviour. In 2018, Slota et al [16] simulated the forming limits in cup drawing and expansion processes for the packaging steel TH330.…”

Section: State Of the Artmentioning

confidence: 99%

Characterization of High-Strength Packaging Steels: Obtaining Material Data for Precise Finite Element Process Modelling

Knieps

Liebscher

Moldovan

et al. 2020

Metals

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The steadily increasing demand for downgauging to reduce costs in packaging steel applications requires the development of high-strength packaging steel grades to meet strength requirements. At the same time, the demand for a simulative, computer-aided layout of industrial forming processes is growing to reduce costs in tool constructions for downgauging manners. As part of this work, different high-strength packaging steels were characterized for use in a finite element based process layout and validated using application-oriented experiments. Due to a low hardening rate and the occurrence of Lüders bands, high-strength packaging steels show a low amount of elongation in tensile tests, while for other stress states higher degrees of deformation are possible. Thus, common extrapolation methods fail to reproduce the flow curve of high-strength packaging steels. Therefore, a new approach to extrapolate the flow curve of high-strength packaging steels is presented using the tensile test and bulge test data together with a combined Swift–Voce hardening law. Furthermore, it is shown that the use of complex anisotropic yield locus models such as Yld2000-2d is necessary for high-strength packaging steels in order to be able to precisely simulate application-oriented loads in between plane strain and biaxial tension in validation experiments. Finally, the benefit of a material selection process for packaging steel applications guided by finite element simulations based on precisely characterized material behaviour is demonstrated.

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Section: State Of the Artmentioning

confidence: 99%