Ductile fracture prediction of EH36 grade steel based on Hosford–Coulomb model

SJ Park, K Lee, BC Cerik, J Choung - Ships and Offshore …, 2019 - Taylor & Francis
To predict ductile fracture initiation of EH36 grade high tensile strength steels, the Hosford–
Coulomb ductile fracture model was employed. The ductile fracture tests were carried out on …

Ductile fracture behavior of mild and high-tensile strength shipbuilding steels

BC Cerik, J Choung - Applied Sciences, 2020 - mdpi.com
A comparison is made of the ductility limits of one mild (normal) and two high-tensile
strength shipbuilding steels with an emphasis on stress state and loading path dependency …

Modeling, testing and calibration of ductile crack formation in grade DH36 ship plates

BC Cerik, B Park, SJ Park, J Choung - Marine Structures, 2019 - Elsevier
The initiation of ductile fracture in grade DH36 shipbuilding steel was modeled using the
Hosford-Coulomb fracture model. The hardening and ductile fracture characteristics of DH36 …

[HTML][HTML] Micromechanically-motivated phenomenological Hosford–Coulomb model for predicting ductile fracture initiation at low stress triaxialities

D Mohr, SJ Marcadet - International Journal of Solids and Structures, 2015 - Elsevier
A phenomenological ductile fracture initiation model for metals is developed for predicting
ductile fracture in industrial practice. Its formulation is based on the assumption that the …

Ductile fracture prediction of high tensile steel EH36 using new damage functions

SJ Park, K Lee, J Choung… - Ships and offshore …, 2018 - Taylor & Francis
This study deals with ductile fracture prediction of a marine steel using new damage
functions. The stress triaxiality and Lode angle are known to be governing parameters on …

Ductile fracture of X80 pipeline steel over a wide range of stress triaxialities and Lode angles

Z Peng, H Zhao, X Li, L Yuan, T Zhu - Engineering Fracture Mechanics, 2023 - Elsevier
This study pays attention to the ductile fracture of X80 pipeline steel using both experimental
and numerical approaches. First, nineteen experimental cases are tested, consisting of the …

Comparative study on ductile fracture prediction of high-tensile strength marine structural steels

SJ Park, BC Cerik, J Choung - Ships and Offshore Structures, 2020 - Taylor & Francis
Accidental events such as collision, grounding, and explosion in marine structures can
cause plastic deformation and structural damage. Various fracture models based on different …

Numerical Study on a Ductile Fracture Model in Pre-Cracked Tension Tests of SUS304L

SJ Park, K Lee, W Nam, K Kim, B Park - Materials, 2024 - mdpi.com
The effectiveness of a ductile fracture model in accurately predicting fracture initiation has
been demonstrated. In this study, we concentrate on applying the ductile fracture model to …

Effect of strain rate on ductile fracture initiation in advanced high strength steel sheets: Experiments and modeling

CC Roth, D Mohr - International Journal of Plasticity, 2014 - Elsevier
Low, intermediate and high strain rate tensile experiments are carried out on flat smooth,
notched and central-hole tensile specimens extracted from advanced high strength steel …

Uncoupled fracture model for E250, E350, and E450 grades of structural steel under monotonic loading

T Nambirajan, PCA Kumar, S Aggarwal… - Engineering Fracture …, 2023 - Elsevier
Forty-eight specimens with four notch specimen configurations have been extracted from
three structural steel grades used in the Indian construction industry. The extracted …