Cooperative deformation mechanisms in a fatigued CoCrNi multi-principal element alloy: A case of low stacking fault energy

K Lu, A Chauhan, D Litvinov, M Schneider… - Journal of the …, 2023 - Elsevier
Multi-principal element alloys (MPEAs) of low stacking fault energies (SFEs) often exhibit
outstanding damage tolerance. In contrast to the well-understood monotonic deformation …

Extra strengthening and Bauschinger effect in gradient high-entropy alloy: A molecular dynamics study

X Du, S Shuang, J Zhao, Z Fu, Q Kan… - International Journal of …, 2024 - Elsevier
The gradient nano-grained (GNG) structures achieve a combination of high strength and
ductility compared with homogeneous nano-grained structures. In order to study the …

Unveiling the precipitation behavior and mechanical properties in G-phase strengthened CrFe2Ni2Ti0. 2Six multi-principal element alloys

Z Wu, Z Wen, J Qin, P Cheng, J Yu, J Tian… - Materials Science and …, 2024 - Elsevier
In order to develop Co-free CrFeNi based multi-principal element alloys (MPEAs) with good
synergies between strength and plasticity, the effects of Si content on the microstructures …

Enhancing fatigue resistance of Cr-Mn-Fe-Co-Ni multi-principal element alloys by varying stacking fault energy and sigma (σ)-phase assisted grain-size reduction

S Sisodia, G Laplanche, M Rajkowski… - International Journal of …, 2025 - Elsevier
This study investigates two key aspects of the low cycle fatigue (LCF) behavior of alloys from
the Cr-Mn-Fe-Co-Ni system at room temperature:(1) the influence of stacking fault energy …

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 …

Enhancing cryogenic mechanical properties of a cost-effective FeCrNi dual-phase multi-principal element alloy by fully constrained heterostructure and deformation …

J Wang, A Wang, L Zhang, J Wang, L Zhang… - Materials Science and …, 2024 - Elsevier
This paper reports a cost-effective Fe 40 Cr 40 Ni 20 (at%) dual-phase multi-principal
element alloy with excellent cryogenic mechanical properties. The high strength primarily …

[HTML][HTML] Stacking fault energy, thermal expansion behavior, and elastic coefficients of a single-crystalline CrFeNi medium-entropy alloy

M Rajkowski, AB Parsa, AS Tirunilai, M Münchhalfen… - Scripta Materialia, 2024 - Elsevier
The equiatomic CrFeNi alloy is considered to be a model single-phase face-centered cubic
medium-entropy alloy. The Bridgman technique was employed to grow a single crystal of …

[HTML][HTML] Design and characterization of (TiZr) 95-xHfxMo5 multi-principal element alloys with excellent properties for biomedical applications

Q Xv, Z Li, W Lai, Z Zhang, X Xu, B Wang, C Zhong… - Materials & Design, 2024 - Elsevier
Developing new bio-metallic materials with improved performance has attracted intensive
research focus over the last decades. In the present work, a new series of (TiZr) 95-x Hf x Mo …

[HTML][HTML] Additively manufactured 316L stainless steel via laser powder directed energy deposition (LP-DED): Mechanical properties at cryogenic and elevated …

S Lee, R Ghiaasiaan, PR Gradl, S Shao… - International Journal of …, 2024 - Elsevier
Abstract 316L austenitic stainless steel (SS) has excellent corrosion resistance with decent
cryogenic and intermediate temperature mechanical properties and compatibility with …

Incipient Plasticity of a Non-equiatomic Co21.5Cr21.5Fe21.5Mn21.5Ni14 Multi-principal Element Alloy

C Konkati, A Chauhan - Metallurgical and Materials Transactions A, 2023 - Springer
To fully understand how multi-principal element alloys (MPEAs) behave when deformed, it is
necessary to investigate their dislocation nucleation mechanisms or incipient plasticity and …