Exceptional strength-ductility synergy in the novel metastable FeCoCrNiVSi high-entropy alloys via tuning the grain size dependency of the transformation-induced …

MS Mehranpour, MJ Sohrabi, A Kalhor, JH Lee… - International Journal of …, 2024 - Elsevier
In-depth knowledge of the coupling between grain refinement and the transformation-
induced plasticity (TRIP) effect in metastable alloys is a viable approach for the improvement …

Synergistic effects of grain sizes on the corrosion behavior and mechanical properties in a metastable high-entropy alloy

K Lu, Z Lei, S Deng, J Li, T Feng, Z Luo, X Ma - Corrosion Science, 2023 - Elsevier
Synergistic effects of grain sizes on corrosion behavior and mechanical properties of
metastable high-entropy alloys (HEAs) were studied. The results exhibit that the corrosion …

Strain delocalization in a gradient-structured high entropy alloy under uniaxial tensile loading

W Fu, Y Sun, G Fan, Y Huang, Z Ning, X Li… - International Journal of …, 2023 - Elsevier
Suppressing strain localization in hard layers was crucial for making gradient alloys ductile.
Here, a typical structure in CrFeCoNiMn 0.75 Cu 0.25 high entropy alloy (HEA), which …

Resolving localized geometrically necessary dislocation densities in Al-Mg polycrystal via in situ EBSD

H Zhong, Q Shi, C Dan, X You, S Zong, S Zhong… - Acta Materialia, 2024 - Elsevier
The distribution of geometrically necessary dislocation (GND) densities is critical to
understanding the heterogeneous plastic deformation at intragranular scales in polycrystals …

Wire arc additive manufacturing of Al-Mg-Sc alloy: An analysis of the effect of Sc on microstructure and mechanical properties

Y ** facilitates tailoring the mechanical properties of IN718 during powder bed fusion
JD Pérez-Ruiz, F Galbusera, L Caprio… - Journal of Materials …, 2024 - Elsevier
One of the recent technological developments in the Laser Powder Bed Fusion (LPBF)
process is the use of non-Gaussian beam profiles of power density distributions. Irrespective …

Deformation-induced multi-step TRIP/TWIP (fcc, hcp) behaviors in metastable Fe55Mn25Co10Cr10 high-entropy alloy at ambient and cryogenic temperatures

BJ Lee, SH Shim, HB Lee, SK Hong, BJ Lee… - Materials Science and …, 2024 - Elsevier
The mechanical performance and multi-step TRIP/TWIP behaviors in a metastable Fe 55 Mn
25 Co 10 Cr 10 were systematically investigated at room temperature (RT) and 77 K. The …

[HTML][HTML] Optimizing heterostructure parameters towards enhanced toughening in micro/nano-reinforced bimodal-grained Al alloy composites

F Saba, H Sun, EG Nezhad, B Cui, G Fan, Z Tan… - Composites Part A …, 2024 - Elsevier
We manipulated soft coarse-grained (CG) domains to design optimized and toughened B 4
Cp/6061Al composites, featuring bimodal domains with in-situ MgO nanoparticles (n-MgO) …

[HTML][HTML] Strength-ductility synergy induced by high-density stacking faults in aluminum alloy composites with micro/nano hybrid reinforcements

F Saba, H Sun, G Fan, Z Tan, DB **ong, Z Li… - Composites Part A …, 2023 - Elsevier
Abstract Architecture design enables multi-mechanism coordination of strengthening and
toughening to overcome the strength-ductility trade-off in particulate reinforced metal matrix …