High-entropy alloys with heterogeneous microstructure: processing and mechanical properties

P Sathiyamoorthi, HS Kim - Progress in Materials Science, 2022 - Elsevier
Engineering metallic materials are an essential class of materials for a variety of industrial
applications due to their competitive mechanical properties, especially strength and ductility …

Strengthening mechanisms in high entropy alloys: A review

N Ali, L Zhang, D Liu, H Zhou, K Sanaullah… - Materials Today …, 2022 - Elsevier
High entropy alloys (HEAs) is a new generation of alloys with multi-component systems and
emerged as a potential candidate for the industrial applications due to their excellent …

Heterostructured materials: superior properties from hetero-zone interaction

Y Zhu, K Ameyama, PM Anderson… - Materials Research …, 2021 - Taylor & Francis
Heterostructured materials are an emerging class of materials with superior performances
that are unattainable by their conventional homogeneous counterparts. They consist of …

Hierarchical precipitates, sequential deformation-induced phase transformation, and enhanced back stress strengthening of the micro-alloyed high entropy alloy

G Yang, JK Kim - Acta Materialia, 2022 - Elsevier
We report the annealing time-dependent microstructures and deformation mechanisms of
the novel face-centered cubic Fe 49.5 Mn 30 Co 10 Cr 10 C 0.2 Ti 0.1 V 0.1 Mo 0.1 HEA …

[HTML][HTML] Ultrahigh high-strain-rate superplasticity in a nanostructured high-entropy alloy

NTC Nguyen, P Asghari-Rad, P Sathiyamoorthi… - Nature …, 2020 - nature.com
Superplasticity describes a material's ability to sustain large plastic deformation in the form
of a tensile elongation to over 400% of its original length, but is generally observed only at a …

Achieving excellent strength-ductility synergy in twinned NiCoCr medium-entropy alloy via Al/Ta co-doping

DD Zhang, H Wang, JY Zhang, H Xue, G Liu… - Journal of Materials …, 2021 - Elsevier
Alloying is an effective strategy to tailor microstructure and mechanical properties of metallic
materials to overcome the strength-ductility trade-off dilemma. In this work, we combined a …

Deformation-induced grain boundary segregation mediated high-strain rate superplasticity in medium entropy alloy

P Asghari-Rad, NTC Nguyen, A Zargaran… - Scripta Materialia, 2022 - Elsevier
Superplasticity refers to extremely high plastic deformation of crystalline materials at
homologous temperature. In particular, high-strain rate superplasticity (HSRS) at a strain …

Effects of post annealing on the microstructure, precipitation behavior, and mechanical property of a (CoCrNi) 94Al3Ti3 medium-entropy alloy fabricated by laser …

Z Li, P Zhao, T Lu, K Feng, Y Tong, B Sun, N Yao… - Journal of Materials …, 2023 - Elsevier
The additive manufacturing of multi-principal element alloys has remarkable potential for
industrial applications. In this study, a (CoCrNi) 94 Al 3 Ti 3 medium-entropy alloy (MEA) …

Microstructure evolution and mechanical properties of (CoCrNi) 90 (AlTiZr) 5 (CuFeMo) 5 multicomponent alloy: A pathway through multicomponent alloys toward new …

H Pouraliakbar, SH Shim, YK Kim, MS Rizi… - Journal of Alloys and …, 2021 - Elsevier
Thermodynamic criteria of lattice distortion energy (ΔH el) and enthalpy of mixing (ΔH mix)
were considered to design and estimate the initial phase formation and stability in (CoCrNi) …

[HTML][HTML] Recent progress in the CoCrNi alloy system

S Bajpai, BE MacDonald, TJ Rupert, H Hahn… - Materialia, 2022 - Elsevier
The exceptional mechanical properties, particularly at cryogenic temperatures, of the
equiatomic CoCrNi alloy are documented in numerous published studies. Similar to the …