[HTML][HTML] Twenty years of the CoCrFeNiMn high-entropy alloy: achieving exceptional mechanical properties through microstructure engineering

H Shahmir, MS Mehranpour, SAA Shams… - Journal of Materials …, 2023 - Elsevier
The CoCrFeNiMn multicomponent is one of the most widely and best studied of all high-
entropy alloys (HEAs) since its exceptional properties suggest potential uses as a structural …

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 …

Evidence of FCC to HCP and BCC-martensitic transformations in a CoCrFeNiMn high-entropy alloy by severe plastic deformation

H Shahmir, P Asghari-Rad, MS Mehranpour… - Materials Science and …, 2021 - Elsevier
An equiatomic CoCrFeNiMn high entropy alloy was subjected to high-pressure torsion
under a pressure of 10 GPa at room and cryogenic temperatures. Increasing straining and …

CoCrFeNiMn high entropy alloy microstructure and mechanical properties after severe cold shape rolling and annealing

MS Mehranpour, H Shahmir… - Materials Science and …, 2020 - Elsevier
A CoCrFeNiMn high entropy alloy (HEA) was processed by Severe Cold Shape Rolling
(SCSR) to equivalent strain of 3.7 at room temperature. The processed alloy shows a single …

Strength-ductility synergy in a wrought AZ80 magnesium alloy by microstructure engineering

A Koushki, A Jalali, N Rasooli, A Heydarinia… - Materials Science and …, 2024 - Elsevier
The present investigation is conducted on microstructure engineering of a Mg–8Al-0.5 Zn
(AZ80) alloy by different processing routes including conventional aging, cold rolling …

Microstructure tailoring by manipulating chemical composition in novel CoNiMnCrAl high-entropy alloys

MS Mehranpour, H Shahmir, HS Kim - Journal of Alloys and Compounds, 2023 - Elsevier
One of the most important dilemmas in materials science is to overcome the strength-ductility
trade-off. There is an increasing trend toward designing alloys with strong precipitates in …

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 …

Upgrading of superior strength–ductility trade-off of CoCrFeNiMn high-entropy alloy by microstructural engineering

MS Mehranpour, H Shahmir, P Asghari-Rad… - Materialia, 2022 - Elsevier
One of the challenging phenomena in the materials science community is the issue of the
strength-ductility trade-off. Pre-strain followed by annealing at low temperatures was used as …

Significance of Ti addition on precipitation in CoCrFeNiMn high-entropy alloy

MS Mehranpour, H Shahmir, A Derakhshandeh… - Journal of Alloys and …, 2021 - Elsevier
Abstract CoCrFeNiMnTi x (x= 0, 0.1 and 0.3) high-entropy alloys were subjected to a large
plastic deformation followed by annealing. Annealing at 700 and 800° C led to …

Grain size tailoring to control strain hardening and improve the mechanical properties of a CoCrFeNiMn high-entropy alloy

H Shahmir, MS Mehranpour, SAA Shams… - High Entropy Alloys & …, 2023 - Springer
An equiatomic CoCrFeNiMn high-entropy alloy was processed by severe plastic
deformation followed by post-deformation annealing over a range of temperatures and times …