Numerical analysis of damage during hot forming

• Autorzy: Szyndler Joanna , Muhammad Imran Muhammad , Muhammad Junaid Afzal Muhammad Junaid , Bambach Markus
• Języki publikacji: EN

Abstrakty

EN

The main aim of the presented research is the analysis of damage evolution in 16MnCrS5 steel during hot forming based on results obtained from finite element modelling. Particular attention is put on the interaction between dynamic recrystallization (DRX) and damage initiation at the matrix-inclusion interface. Moreover, a modified Gurson-Tvergaard- Needleman (GTN) model is proposed with the nucleation criterion taken from an extended Horstemeyer model, which predicts damage nucleation based on material softening due to the DRX and stress state in the material.

Słowa kluczowe

EN

damage; dynamic recrystallization; void nucleation; numerical modelling

• Wydawca: Wydawnictwa AGH
• Czasopismo: Computer Methods in Materials Science
• Rocznik: 2018
• Tom: Vol. 18, No. 3
• Strony: 107--114
• Opis fizyczny: Bibliogr.18 poz., rys.

Twórcy

autor

Szyndler Joanna

• Brandenburg University of Technology Cottbus-Senftenberg, Konrad-Wachsmann-Allee 17, D-03046 Cottbus, Germany

autor

Muhammad Imran Muhammad

• Brandenburg University of Technology Cottbus-Senftenberg, Konrad-Wachsmann-Allee 17, D-03046 Cottbus, Germany

autor

Muhammad Junaid Afzal Muhammad Junaid

• Brandenburg University of Technology Cottbus-Senftenberg, Konrad-Wachsmann-Allee 17, D-03046 Cottbus, Germany

autor

Bambach Markus

• Brandenburg University of Technology Cottbus-Senftenberg, Konrad-Wachsmann-Allee 17, D-03046 Cottbus, Germany

Bibliografia

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• Gurson, A.L., 1977, Continuum theory of ductile rupture by void nucleation and growth: part I – yield criteria and flow rules for porous ductile media, Journal of Engineering Materials and Technology, 99, 1, 2-15.
• Horstemeyer, M.F., Gokhale, A.M., 1999, A void-crack nucleation model for ductile metals, International Journal of Solids and Structures, 36, 5029-5055.
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• Santos, R.O., Silveira, L.B., Moreira, L.P., Cardoso, M.C., Silva, F.R.F., 2018, Damage identification parameters of dual-phase 600-800 steels on experimental void analysis and finite element simulations, Journal of Materials Research and Technology, in press.
• Tang, J., Hu, W., Meng, Q., Sun, L., Zhan, Z., 2017, A novel two-scale damage model for fatigue damage analysis of transition region between high- and low-cycle fatigue, International Journal of Fatigue, 105, 208-218.
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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019)