Abstract
In this paper, new tailored structure design has come forward based on ultra-high-strength steel (UHSS) material properties. The analytical model and finite element model are established in this study for the investigation of the energy absorption properties of the plane strain sheet. Via analytical calculation, the mechanical characters of the tailored sheet are deeply investigated before fracture initiation under extreme conditions. An optimized structure geometry configuration is obtained according to the quantity of structural energy absorption. The promotion of energy absorption of the tailored structure before fracture initiation is not obvious comparing with the pure material ones. In the FE model, the properties of the energy absorption of the tailored sheet after fracture initiation are investigated. Under a designed geometry setting, the energy absorption of the tailored sheet can provide 135% and 77% promotion, respectively, compared with the pure material ones. Besides, the designed configuration can also provide a good effect of crack inhibition, which shows great potential for further engineer applications.
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Acknowledgments
This study is sponsored by the Program of High-end CNC Machine Tools and Basic Manufacturing Equipment (Number 2019ZX04002030)
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© 2021 The Minerals, Metals & Materials Society
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Ying, P., Ge, Y., Xia, Y. (2021). The Study of Energy Absorption of Dual-Material Tailored Plane Strain Sheet. 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_141
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DOI: https://doi.org/10.1007/978-3-030-75381-8_141
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