Modified Johnson-Cook model of aluminum alloy 6016-T6 sheets at low dynamic strain rates

Z Jia, B Guan, Y Zang, Y Wang, L Mu - Materials Science and Engineering …, 2021 - Elsevier
The use of a dynamical constitutive model is essential for the numerical analysis of dynamic
impact. In this study, uniaxial tension tests were conducted on aluminum alloy (AA) 6016-T6 …

Elucidating the temperature dependence of TRIP in Q&P steels using synchrotron X-Ray diffraction, constituent phase properties, and strain-based kinetics models

CB Finfrock, B Ellyson, SRJ Likith, D Smith, CJ Rietema… - Acta Materialia, 2022 - Elsevier
Understanding the deformation-induced martensitic transformation (DIMT) is critical for
interpreting the structure-property relationships that govern the performance of …

Localized deformation inside the Lüders front of a medium manganese steel

RS Varanasi, S Zaefferer, B Sun, D Ponge - Materials Science and …, 2021 - Elsevier
Medium manganese steels are promising alloys for highly demanding sheet steel
applications. However, cold-rolled intercritically annealed ultrafine-grained dual-phase …

Experimental and numerical study of mechanical properties of multi-phase medium-Mn TWIP-TRIP steel: Influences of strain rate and phase constituents

JT Benzing, Y Liu, X Zhang, WE Luecke, D Ponge… - Acta materialia, 2019 - Elsevier
In the current work we investigate the room temperature tensile properties of a medium-Mn
twinning-and transformation-induced plasticity (TWIP-TRIP) steel from quasi-static to low …

Tailoring the metastable reversed austenite from metastable Mn-rich carbides

Y Xu, W Li, H Du, H Jiao, B Liu, Y Wu, W Ding, Y Luo… - Acta Materialia, 2021 - Elsevier
A two-steps tempering-partitioning process is designed for redistributing carbon and
austenite stabilizer such as manganese in a cold rolled medium-manganese steel. After …

Investigations on austenite stability and martensitic transformation kinetics of a medium Mn steel under different strain states

Y Zou, Q Gao, H Ding, Y Zhang, Z Tang - International Journal of Plasticity, 2023 - Elsevier
Martensitic transformation has received wide attention due to its significant role in improving
mechanical properties of medium Mn steels. In this paper, three typical strain states in sheet …

Strain rate dependent ductility and strain hardening in Q&P steels

CB Finfrock, MM Thrun, D Bhattacharya… - … Materials Transactions A, 2021 - Springer
Due to their high strength, formability and affordable cost, quenched and partitioned (Q&P)
steels have shown the potential to reduce the mass of vehicles, thereby decreasing fuel …

Competing deformation mechanisms in an austenite-ferrite medium-Mn steel at different strain rates

ZH Cai, DL Zhang, LF Ma, H Ding, Y Feng, J Hu… - Materials Science and …, 2021 - Elsevier
The study of strain rate is of particular significance in automotive applications. Thus, we
describe here the mechanical behavior and deformation mechanisms in Fe-0.2 C–11Mn …

Carbon-induced negative strain-rate sensitivity in a quenching and partitioning steel

CP Huang, M Wang, KY Zhu, A Perlade, MX Huang - Acta Materialia, 2023 - Elsevier
The present work reports an abnormal negative strain-rate sensitivity (SRS) in a room-
temperature quenching and partitioning (RT-Q&P) steel. The mechanisms responsible for …

Strain rate response of mechanical behaviors for Fe-8Mn-6Al-0.4 C duplex low-density steels with different austenite stabilities

R Chen, P Chen, XW Li - Materials Science and Engineering: A, 2023 - Elsevier
Duplex low-density steels exhibit excellent mechanical properties under quasi-static tensile
tests with the help of the transformation-induced plastic (TRIP) effect produced by the …