Phase engineering of high‐entropy alloys

X Chang, M Zeng, K Liu, L Fu - Advanced Materials, 2020 - Wiley Online Library
High‐entropy alloys (HEAs) are based on five or more principal elements with equal or
nearly equal molar fractions and possess many significant advantages over traditional …

Additive manufacturing of high-entropy alloys: a review

S Chen, Y Tong, PK Liaw - Entropy, 2018 - mdpi.com
Owing to the reduced defects, low cost, and high efficiency, the additive manufacturing (AM)
technique has attracted increasingly attention and has been applied in high-entropy alloys …

Real-time observations of TRIP-induced ultrahigh strain hardening in a dual-phase CrMnFeCoNi high-entropy alloy

S Chen, HS Oh, B Gludovatz, SJ Kim, ES Park… - Nature …, 2020 - nature.com
Strategies involving metastable phases have been the basis of the design of numerous
alloys, yet research on metastable high-entropy alloys is still in its infancy. In dual-phase …

Nano-scale heterogeneity-driven metastability engineering in ferrous medium-entropy alloy induced by additive manufacturing

JM Park, P Asghari-Rad, A Zargaran, JW Bae, J Moon… - Acta Materialia, 2021 - Elsevier
Selective laser melting (SLM) offers unprecedented advantages in fabrication of metals and
alloys with complex geometry and unique microstructural features with hierarchical …

Cooperative deformation in high-entropy alloys at ultralow temperatures

M Naeem, H He, F Zhang, H Huang, S Harjo… - Science …, 2020 - science.org
High-entropy alloys exhibit exceptional mechanical properties at cryogenic temperatures,
due to the activation of twinning in addition to dislocation slip. The coexistence of multiple …

A dual-phase alloy with ultrahigh strength-ductility synergy over a wide temperature range

RK Nutor, Q Cao, R Wei, Q Su, G Du, X Wang, F Li… - Science …, 2021 - science.org
High-entropy alloys (HEAs), as an emerging class of materials, have pointed a pathway in
develo** alloys with interesting property combinations. Although they are not exempted …

Simultaneously enhancing strength and ductility of a high-entropy alloy via gradient hierarchical microstructures

MN Hasan, YF Liu, XH An, J Gu, M Song, Y Cao… - International Journal of …, 2019 - Elsevier
Although many high-entropy alloys (HEAs) possess excellent mechanical properties, they
are not exempt from the common dilemma of strength–ductility trade-off in most cases, which …

Simultaneous enhancement of strength and ductility in a NiCoCrFe high-entropy alloy upon dynamic tension: Micromechanism and constitutive modeling

TW Zhang, SG Ma, D Zhao, YC Wu, Y Zhang… - International Journal of …, 2020 - Elsevier
The deformation responses of NiCoCrFe high-entropy alloy (HEA) under quasi-static (1×
10− 4-1× 10− 1/s) and dynamic (1,000–6,000/s) tension were investigated. A good …

Influence of carbon on the corrosion behaviour of interstitial equiatomic CoCrFeMnNi high-entropy alloys in a chlorinated concrete solution

H Luo, S Zou, YH Chen, Z Li, C Du, X Li - Corrosion Science, 2020 - Elsevier
We investigated the corrosion behaviour and passive film characteristics of interstitial
equiatomic CoCrFeMnNi high-entropy alloys (HEAs) with various carbon concentrations in …

Single-phase high-entropy alloys–A critical update

W Steurer - Materials Characterization, 2020 - Elsevier
Maximization of the configurational entropy–this has been the magic formula promising
thousands or even millions of intermetallic multiple-principal-element solid solutions with …