Tailoring the strengthening mechanisms of high-entropy alloys toward excellent strength-ductility synergy by metalloid silicon alloying: A review

MJ Sohrabi, A Kalhor, H Mirzadeh, K Rodak… - Progress in Materials …, 2024 - Elsevier
Metalloids and transition/refractory elements typically differ significantly in the electronic
structure and atomic size, allowing for stronger solid-solution hardening in high-entropy …

Deformation-induced martensitic transformations: A strategy for overcoming the strength-ductility trade-off in high-entropy alloys

MS Mehranpour, N Rasooli, HS Kim… - Current Opinion in Solid …, 2024 - Elsevier
High-entropy alloys (HEAs) have become an important topic in modern materials science
due to their exceptional properties. Despite their attractive properties, achieving a superior …

Addressing the strength-ductility trade-off in a thermomechanical-processed high entropy alloy

A Radi, C Isil, SV Seyedmohammadi, HS Kim… - Journal of Alloys and …, 2023 - Elsevier
High entropy alloys (HEAs) have garnered significant attention due to their exceptional
mechanical behavior. However, the influence of secondary phases and dislocation …

Significantly ameliorating room-temperature brittleness of refractory high-entropy alloys via in situ heterogeneous structure

D Han, B Yang, W Xu, H Yang, G Han, X Wang… - Journal of Materials …, 2024 - Elsevier
Although refractory high-entropy alloys (RHEAs) possess excellent softening resistance and
thermal stability at high temperatures, their practical application is often limited due to room …

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 …

Overcoming strength-ductility trade-off in Si-containing transformation-induced plasticity high-entropy alloys via metastability engineering

MJ Sohrabi, MS Mehranpour, JH Lee… - Materials Science and …, 2024 - Elsevier
Benefiting from the transformation-induced plasticity effect has been recognized as a new
approach to develop high-performance Si-containing high-entropy alloys with outstanding …

Low cycle fatigue properties of CoCrFeNiMn high-entropy alloy with heterogeneous microstructure

H Shahmir, P Saeedpour, MS Mehranpour… - Materials Science and …, 2024 - Elsevier
Heterogeneous microstructure is a hot topic in materials science which facilitates tackling
the dilemma of strength-ductility trade-off in engineering materials including high-entropy …

Microstructure, mechanical and electrochemical performance of spark plasma sintered CoCrNi medium-entropy alloy

P Ma, Y Peng, J Hu, Y Yu, Y Liu, M Chen… - Journal of Alloys and …, 2024 - Elsevier
In recent years, CoCrNi medium-entropy alloy (MEA) has garnered widespread attention
due to its preferable mechanical properties such as good strength-ductility matching and low …

Enhancing oxidation resistance via grain boundary engineering in L12-strengthened medium entropy alloys

S Cai, J Cui, Z Dong, W Lv, B Yang, D Han… - Journal of Materials …, 2024 - Elsevier
The concept of grain boundary engineering (GBE) has been successfully applied to L1 2-
strengthened (CoCrNi) 94 Al 3 Ti 3 medium entropy alloy, with the aim of improving the …

Combining strength and ductility in a precipitation (γ') hardened Fe-rich compositionally complex alloy via recrystallisation

M Annasamy, J Joseph, P Cizek, A Vahid… - Materials Science and …, 2024 - Elsevier
Fe-rich alloys are the most attractive among the compositionally complex alloys (CCAs)
owing to the excellent combinations of mechanical properties combined with low cost. The …