Comparative analysis of irradiation-stimulated hardening in the austenite and ferrite phases of F321 stainless steel

P Lin, J Nie, W Cui, L He, S Cui, Y Lu - Acta Materialia, 2024 - Elsevier
F321 stainless steel is renowned for its outstanding mechanical properties and corrosion
resistance, making it a crucial structural material in light water reactors and high-temperature …

[HTML][HTML] Coupling strengthening mechanism of precipitate and solute atoms in edge dislocation motion of Al-Mg-Si alloy

S Kong, Z Yu, X Zhang, Z Zhang - Journal of Materials Research and …, 2024 - Elsevier
To investigate the coupling strengthening mechanism of precipitate and Cu solute atoms in
Al-Mg-Si alloy, the molecular dynamics model of edge dislocation motion interacted with …

Multi-element segregation strengthening and doping softening of Σ5 (210)[001] symmetrically tilted grain boundary in Ni-based bicrystal

H Hu, T Fu, S Wang, C Li, S Weng, D Yin… - International Journal of …, 2025 - Elsevier
Alloying is an economically efficient strategy to improve the thermal and mechanical stability
of materials, which can also be applied to grain boundary (GB) in nanocrystalline materials …

Trade-off between local chemical order and lattice distortion in affecting dislocation motion in NbTiZr multi-principal element alloys

B Chen, S Li, J Ding, X Ding, J Sun, E Ma - Acta Materialia, 2024 - Elsevier
Local chemical order (LCO) is energetically favorable in multi-principal element alloys
(MPEAs) due to the chemical affinity difference among constituent species. Here we show …

Understanding stacking fault tetrahedron formation in FCC stainless steel: A fusion of transmission electron microscopy, molecular dynamics, and machine learning

P Lin, J Nie, W Cui, L He, S Cui, G Gu, G Xiao… - International Journal of …, 2024 - Elsevier
The stacking fault tetrahedron (SFT) formation displays a pronounced size effect,
progressing from vacancy equilateral triangular plate to perfect SFT, and eventually to …

[HTML][HTML] Standard deviation in maximum restoring force controls the intrinsic strength of face-centered cubic multi-principal element alloys

F Shuang, L Laurenti, P Dey - Acta Materialia, 2025 - Elsevier
In this study, we explore the mechanisms underlying the exceptional intrinsic strength of face-
centered cubic (FCC) Multi-Principal Element Alloys (MPEAs) using a multifaceted …

Predicting yield stress in a nano-precipitate strengthened austenitic steel by integrating multi length-scale simulations and experiments

CA Stewart, EA Antillon, M Sudmanns, JA El-Awady… - Acta Materialia, 2024 - Elsevier
A promising high-strength Fe–17.7 Mn–4.7 Cr–0.48 C–10Ni–5Al–4Cu wt.% Austenitic steel
was solutionized, then aged for 3 or 10 h at 580° C producing a pronounced precipitation …

[HTML][HTML] First-principles and cluster expansion study of the effect of magnetism on short-range order in Fe-Ni-Cr austenitic stainless steels

T Su, BJ Blankenau, N Kim, JA Krogstad, E Ertekin - Acta Materialia, 2024 - Elsevier
Abstract Short-range order (SRO), the regular and predictable arrangement of atoms over
short distances, alters the mechanical properties of technologically relevant structural …

[HTML][HTML] Solution Strengthening and Short-Range Order in Cold-Drawn Pearlitic Steel Wires

G Zhao, J Jiao, Y Wu, F Bai, H Zhou, J Xue, Y Zhu… - Crystals, 2024 - mdpi.com
Pearlitic steel rods are subjected to cold-drawing processes to produce pearlitic steel wires
with true strains ranging from 0.81 to 2.18. Tensile tests are utilized to attain mechanical …

Interplay of Stacking Fault Energy and Compositional Short-Range Ordering on the Deformation Mechanisms of Model Fe-Cr-Ni Alloys

T Liu, S Mukhopadhyay, CH Li, T Li, Y Ren… - Available at SSRN … - papers.ssrn.com
Understanding the composition dependent change in deformation mechanisms of austenite
in stainless steels is crucial to develop accurate predictive models both for stress induced …