Calibration and verification of the Johnson-Cook model for an austenitic steel under dynamic tension
1
Mechanical and Electrical Engineering Department, Polish Naval Academy, 81-103 Gdynia, Poland
Publication date: 2025-09-14
Corresponding author
Michał Grylewicz
Mechanical and Electrical Engineering Department, Polish Naval Academy, 81-103 Gdynia, Poland
Mechanical and Electrical Engineering Department, Polish Naval Academy, 81-103 Gdynia, Poland
Adv. Sci. Technol. Res. J. 2026; 20(1)
KEYWORDS
strain rateCAEaustenitic steelstatic tensile testdynamic tensile testrotary hammerplastic characteristicsmaterial model in terms of FEM
TOPICS
ABSTRACT
The paper presents the results of research on the properties of an austenitic steel used in the shipbuilding industry. Static tensile tests were conducted using an MTS testing machine, while dynamic tensile tests were carried out with rotary hammer at strain rates ranging from 250 to 2100 s-1. The obtained results were used to calibrate a Johnson-Cook model and the corresponding failure parameters suitable for Finite Element Method (FEM) analysis. This model was then used to simulate the response of the specimen subjected to impact loading at various strain rates.
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