Dr.-Ing. Napat Vajragupta
Dr.-Ing. Napat Vajragupta
Research Group leader, ICAMS, Ruhr-Universität Bochum
Verified email at rub.de
Title
Cited by
Cited by
Year
A micromechanical damage simulation of dual phase steels using XFEM
N Vajragupta, V Uthaisangsuk, B Schmaling, S Münstermann, ...
Computational Materials Science 54, 271-279, 2012
1272012
The second Sandia Fracture Challenge: predictions of ductile failure under quasi-static and moderate-rate dynamic loading
BL Boyce, SLB Kramer, TR Bosiljevac, E Corona, JA Moore, K Elkhodary, ...
International Journal of Fracture 198 (1), 5-100, 2016
642016
A method to quantitatively upscale the damage initiation of dual-phase steels under various stress states from microscale to macroscale
J Lian, H Yang, N Vajragupta, S Münstermann, W Bleck
Computational materials science 94, 245-257, 2014
472014
The modeling scheme to evaluate the influence of microstructure features on microcrack formation of DP-steel: The artificial microstructure model and its application to predict …
N Vajragupta, P Wechsuwanmanee, J Lian, M Sharaf, S Münstermann, ...
Computational materials science 94, 198-213, 2014
282014
Modeling the microstructure influence on fatigue life variability in structural steels
M Sharaf, P Kucharczyk, N Vajragupta, S Münstermann, A Hartmaier, ...
Computational materials science 94, 258-272, 2014
202014
Prediction of plasticity and damage initiation behaviour of C45E+ N steel by micromechanical modelling
B Wu, N Vajragupta, J Lian, U Hangen, P Wechsuwanmanee, ...
Materials & Design 121, 154-166, 2017
172017
Modeling macroscopic material behavior with machine learning algorithms trained by micromechanical simulations
D Reimann, K Nidadavolu, N Vajragupta, T Glasmachers, P Junker, ...
Frontiers in Materials 6, 181, 2019
132019
Micromechanical modeling approach to derive the yield surface for BCC and FCC steels using statistically informed microstructure models and nonlocal crystal plasticity
N Vajragupta, S Ahmed, M Boeff, A Ma, A Hartmaier
Physical Mesomechanics 20 (3), 343-352, 2017
132017
Indentation size effects in spherical nanoindentation analyzed by experiment and non-local crystal plasticity
JK Engels, S Gao, W Amin, A Biswas, A Kostka, N Vajragupta, ...
Materialia 3, 21-30, 2018
102018
Influence of microstructural features on the strain hardening behavior of additively manufactured metallic components
A Biswas, MRG Prasad, N Vajragupta, H ul Hassan, F Brenne, T Niendorf, ...
Advanced Engineering Materials 21 (7), 1900275, 2019
72019
Studying grain boundary strengthening by dislocation-based strain gradient crystal plasticity coupled with a multi-phase-field model
W Amin, MA Ali, N Vajragupta, A Hartmaier
Materials 12 (18), 2977, 2019
72019
On application of a damage plasticity model to sheet metal forming of DP steel
J Lian, N Vajragupta, S Münstermann, W Bleck
Steel Res. Int, 901-6, 2011
62011
Evaluation of the Cold Formability of Multiphase Steels by Damage Mechanics Approaches∗
S Münstermann, J Lian, N Vajragupta
Materials Testing 55 (9), 628-635, 2013
42013
Fracture properties of zinc coating layers in a galvannealed steel and an electrolytically galvanized steel
J He, J Lian, A Aretz, N Vajragupta, U Hangen, F Goodwin, ...
Materials Science and Engineering: A 732, 320-325, 2018
32018
Influence of Trapped Gas on Pore Healing under Hot Isostatic Pressing in Nickel-Base Superalloys
MRG Prasad, S Gao, N Vajragupta, A Hartmaier
Crystals 10 (12), 1147, 2020
22020
Parameterization of a non-local crystal plasticity model for tempered lath martensite using nanoindentation and inverse method
JK Engels, N Vajragupta, A Hartmaier
Frontiers in Materials 6, 247, 2019
22019
Understanding of residual stresses in chain-die-formed dual-phase (DP) metallic components: predictive modelling and experimental validation
Y Sun, V Luzin, S Khan, N Vajragupta, P Meehan, B Daniel, J Yanagimoto, ...
The International Journal of Advanced Manufacturing Technology 103 (9), 3337 …, 2019
22019
The Second Blind Sandia Fracture Challenge: improved MBW model predictions for different strain rates
Y Di, J Lian, B Wu, N Vajragupta, D Novokshanov, V Brinnel, ...
International Journal of Fracture 198 (1-2), 149-165, 2016
22016
Modeling the cold formability of dualphase steels on different length scales
S Münstermann, J Lian, N Vajragupta
Procedia materials science 3, 1050-1055, 2014
22014
Micromechanical Modeling of Damage and Failure in Dual Phase Steels
JH Lian, N Vajragupta, S Münstermann
Key Engineering Materials 554, 2369-2374, 2013
22013
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