Numerical analysis of the load paths and the resulting damage evolution during deep drawing of dual-phase steel
IOP Conference Series Materials Science and Engineering, vol. 1284, pp. 012006
Abstract
Abstract Within the deep drawing process chain, damage develops and evolves – starting with foreign particles from the slag as well as non-metallic inclusions leading to voids, which develop, accumulate and ultimately lead to failure. This damage accumulation and evolution along the process chain decisively influences the performance of components. Accordingly, the influence on the damage accumulation and evolution offers a lever to increase the performance of components. The final damage state in the component has been shown to be dependent on the prevailing load path by means of the stress and strain states along the process route. The investigation of the stress and strain states requires numerical modelling. From the models, the load path can then be extracted and a correlation can be obtained with the damage that results. The present work investigates the load paths during deep drawing of u-shaped profiles as a function of process set-up and process parameters of dual-phase steel DP800. The resulting load paths are extracted, analyzed and correlated with the numerically predicted damage.
Authors 2
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Affiliation as printed
Laboratory for Machine Tools and Production Engineering (WZL) of RWTH Aachen University, Campus-Boulevard 30, 52074 Aachen, Germany
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Thomas Bergs Aachen Fraunhofer Institute for Production Technology Laboratory for Machine Tools and Production Engineering (WZL)
RWTH Aachen University · Fraunhofer Institute for Production Technology IPT
Affiliation as printed
Fraunhofer Institute for Production Technology (IPT), Steinbachstr. 17, 52074 Aachen, Germany
Laboratory for Machine Tools and Production Engineering (WZL) of RWTH Aachen University, Campus-Boulevard 30, 52074 Aachen, Germany
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