TY - JOUR
T1 - Stress state-dependent mechanics of additively manufactured 304L stainless steel
T2 - Part 2 – Characterization and modeling of macroscopic plasticity behavior
AU - Wang, Zhuqing
AU - Beese, Allison M.
N1 - Publisher Copyright:
© 2018 Elsevier B.V.
PY - 2019/1/16
Y1 - 2019/1/16
N2 - A model that describes macroscopic plasticity behavior of additively manufactured 304L stainless steel, in terms of its stress state-dependent microstructural austenite-to-α’ martensite phase transformation is developed. Specifically, a stress state-, texture-, and chemistry-dependent strain-induced martensitic transformation kinetics equation was coupled to an isotropic hardening law in order to explicitly link the macroscopic strain hardening behavior in this material to its microstructural evolution. The plasticity model was implemented into a finite element code, calibrated using experimental data under uniaxial tension, uniaxial compression, pure shear, and validated using experimental data under combined tension and shear loading. The simulated results were in good agreement with the corresponding experimental data for all stress states studied for calibration and validation, demonstrating the predictiveness of the plasticity model developed.
AB - A model that describes macroscopic plasticity behavior of additively manufactured 304L stainless steel, in terms of its stress state-dependent microstructural austenite-to-α’ martensite phase transformation is developed. Specifically, a stress state-, texture-, and chemistry-dependent strain-induced martensitic transformation kinetics equation was coupled to an isotropic hardening law in order to explicitly link the macroscopic strain hardening behavior in this material to its microstructural evolution. The plasticity model was implemented into a finite element code, calibrated using experimental data under uniaxial tension, uniaxial compression, pure shear, and validated using experimental data under combined tension and shear loading. The simulated results were in good agreement with the corresponding experimental data for all stress states studied for calibration and validation, demonstrating the predictiveness of the plasticity model developed.
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U2 - 10.1016/j.msea.2018.11.091
DO - 10.1016/j.msea.2018.11.091
M3 - Article
AN - SCOPUS:85057603751
SN - 0921-5093
VL - 743
SP - 824
EP - 831
JO - Materials Science and Engineering: A
JF - Materials Science and Engineering: A
ER -