[HTML][HTML] Revealing relationships between microstructure and hardening nature of additively manufactured 316L stainless steel

L Cui, S Jiang, J Xu, RL Peng, RT Mousavian… - Materials & Design, 2021 - Elsevier
Relationships between microstructures and hardening nature of laser powder bed fused (L-
PBF) 316 L stainless steel have been studied. Using integrated experimental efforts and …

Enhanced strength-ductility synergy via high dislocation density-induced strain hardening in nitrogen interstitial CrMnFeCoNi high-entropy alloy

H Li, Y Han, H Feng, G Zhou, Z Jiang, M Cai… - Journal of Materials …, 2023 - Elsevier
The present work demonstrates that nitrogen do** inhibits the formation of deformation
twins in a CrMnFeCoNi high entropy alloy, while significantly increases the strength without …

Comparison of the microstructure, mechanical properties and distortion of stainless steel 316 L fabricated by micro and conventional laser powder bed fusion

J Fu, S Qu, J Ding, X Song, MW Fu - Additive Manufacturing, 2021 - Elsevier
Micro laser powder bed fusion (μLPBF) technology offers great benefits to industries as it
enables fabrication of complicated metallic components with greater accuracy and minimum …

Strengthening contributions of dislocations and twins in warm-rolled TWIP steels

YZ Li, ZY Liang, MX Huang - International Journal of Plasticity, 2022 - Elsevier
A twinning-induced plasticity (TWIP) steel was processed by warm rolling with different
reduction ratios to elevate yield strength while maintaining considerable ductility. To …

Synergistic deformation pathways in a TWIP steel at cryogenic temperatures: In situ neutron diffraction

L Tang, L Wang, M Wang, H Liu, S Kabra, Y Chiu… - Acta Materialia, 2020 - Elsevier
High manganese steels are promising candidates for applications in cryogenic
environments. In this study, we investigate the mechanical and microstructural responses of …

Cooperative deformation mechanisms in a fatigued CoCrNi multi-principal element alloy: A case of low stacking fault energy

K Lu, A Chauhan, D Litvinov, M Schneider… - Journal of the …, 2023 - Elsevier
Multi-principal element alloys (MPEAs) of low stacking fault energies (SFEs) often exhibit
outstanding damage tolerance. In contrast to the well-understood monotonic deformation …

Non-equivalence contribution of geometrically necessary dislocation and statistically stored dislocation in work-hardened metals

N Wang, Y Chen, G Wu, Q Zhao, Z Zhang, L Zhu… - Materials Science and …, 2022 - Elsevier
This work reveals the non-equivalence contribution of geometrically necessary dislocation
(GND) and statistically stored dislocation (SSD) to work hardening of the dual-phase steel …

Additive manufacturing of high strength near β titanium alloy Ti-55511 by engineering nanoscale secondary α laths via in-situ heat treatment

D Li, H Huang, C Chen, S Liu, X Liu, X Zhang… - Materials Science and …, 2021 - Elsevier
In addition to the great merits of producing three-dimensional complex components from
metallic powders in additive manufactured parts, the microstructural features can be tailored …

Simultaneously enhancing strength-ductility synergy and strain hardenability via Si-alloying in medium-Al FeMnAlC lightweight steels

H Zhi, J Li, W Li, M Elkot, S Antonov, H Zhang, M Lai - Acta Materialia, 2023 - Elsevier
We studied the initial microstructures, mechanical responses and deformation-induced
microstructures of the medium-Al Fe-21Mn-6Al-1C-xSi (x= 0, 1.5, 3 wt.%) lightweight steels …

Mechanism of dislocation evolution during plastic deformation of nitrogen-doped CoCrFeMnNi high-entropy alloy

Y Han, H Li, H Feng, Y Tian, Z Jiang, T He - Materials Science and …, 2021 - Elsevier
In this study, the evolution of statistically stored dislocation (SSD) and geometrically
necessary dislocation (GND) during tensile tests was investigated in CoCrFeMnNi high …