Experimental data and FE-model for tensile tests of DC06 at high strain rates

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In high strain rate forming processes two superposing and opposing effects influence the flow stress of the material: strain rate hardening and thermal softening due to adiabatic heating. The presented FE-model and experimental results are based on https://doi.org/10.3390/app12052299 where uniaxial tensile tests at different high strain rates are analyzed experimentally and numerically to understand the influence of adiabatic heating of the workpiece during deformation under high-speed loading. A thermal camera and a pyrometer were used for temperature measurement in the fracture region in addition to the measurement of force and elongation. The numerical simulations are carried out in LS-Dyna using the GISSMO model for modeling damage and failure.

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Forming at high strain rates Part 2: Analysis of adiabatic heating based on tensile tests of DC06

Tulke, Marc; Galiev, Elmar (Technische Universität DresdenFraunhofer Institute for Machine Tools and Forming Technology IWU, 2023)

In high strain rate forming processes two superposing and opposing effects influence the flow stress of the material: strain rate hardening and thermal softening due to adiabatic heating. The presented FE-model and ...