In situ neutron diffraction study on tensile deformation behavior of carbon-strengthened CoCrFeMnNi high-entropy alloys at room and elevated temperatures

T Liu, Y Gao, H Bei, K An - Journal of Materials Research, 2018 - cambridge.org
Carbon is doped into a CoCrFeMnNi high-entropy alloy as an interstitial atom, improving the
single phase solid solution alloy with a good combination of strength and ductility at room …

Toward excellent tensile properties of nitrogen-doped CoCrFeMnNi high-entropy alloy at room and cryogenic temperatures

SH Shim, J Moon, H Pouraliakbar, BJ Lee… - Journal of Alloys and …, 2022 - Elsevier
Here, the effect of nitrogen addition on the microstructural evolution and mechanical
properties of the alloys at 298 K and 77 K was investigated. In the CoCrFeMnNi alloys with …

Temperature-dependent tensile properties of ultrafine-grained C-doped CoCrFeMnNi high-entropy alloy

YZ Tian, SY Peng, SF Chen, ZJ Gu, Y Yang, XL Shang… - Rare Metals, 2022 - Springer
Metallic materials can be strengthened by various kinds of plastic deformation strategies.
However, the deformed materials suffer poor ductility and thermal stability due to the high …

[HTML][HTML] Exceptional strength–ductility combination of CoCrFeMnNi high-entropy alloy with fully recrystallized structure by selective laser melting after post-deformation …

P Ji, Y Jia, P Ma, Y Mu, K Sun, G Wang - Journal of Materials Research and …, 2023 - Elsevier
The low yield strength of the equiatomic CoCrFeMnNi high-entropy alloy (HEA) at ambient
temperature severely limits its future application as engineering materials. Here, a …

Effects of annealing process parameters on microstructural evolution and strength-ductility combination of CoCrFeMnNi high-entropy alloy

P Wang, J Chen, B Sun, D Zhu, Y Cao - Materials Science and Engineering …, 2022 - Elsevier
Microstructures and mechanical properties of the CoCrFeMnNi high-entropy alloys (HEAs)
treated by various annealing temperatures and times are investigated in this paper. Typical …

[HTML][HTML] Global understanding of deformation behavior in CoCrFeMnNi high entropy alloy under high-strain torsion deformation at a wide range of elevated …

R Gholizadeh, S Yoshida, Y Bai, S Kurokawa… - Acta Materialia, 2023 - Elsevier
A number of recent studies have investigated deformation behavior of CoCrFeMnNi (Cantor)
alloy at elevated temperatures by using plastic deformation to relatively small strains such as …

Element effects of Mn and Ge on the tuning of mechanical properties of high-entropy alloys

TN Lam, CW Tsai, BK Chen, BH Lai, HC Liu… - … Materials Transactions A, 2020 - Springer
Abstract Substitution of Ge for Mn increases the elastic moduli of different {hkl} orientations
of the CoCrFeMnNi-based high-entropy alloy. Our findings indicate that tuning minor …

Superior strength and ductility in a C-containing CoCrFeNiMn high-entropy alloy with heterogeneous microstructure

AM Borujeni, H Shahmir, SAA Shams… - Materials Science and …, 2024 - Elsevier
The present study is focused on the beneficial effects of adding few amounts of carbon (0.76
at.%) and adopting microstructure engineering by a simple thermomechanical treatment to …

Effect of carbon addition on the microstructure and properties of CoCrFeMnNi high entropy alloys

R Ravi, SR Bakshi - High Entropy Alloys, 2020 - taylorfrancis.com
Equiatomic CoCrFeMnNi high entropy alloy has been very well-known in scientific
community as a material offering outstanding structural properties at a wide range of …

Hetero-deformation induced hardening in a CoCrFeNiMn high-entropy alloy

H Shahmir, P Saeedpour, MS Mehranpour… - Crystals, 2023 - mdpi.com
One of the most important issues in materials science is to overcome the strength–ductility
trade-off in engineering alloys. The formation of heterogeneous and complex …