Recent progress in high-entropy alloys for laser powder bed fusion: Design, processing, microstructure, and performance

A Jarlöv, Z Zhu, W Ji, S Gao, Z Hu… - Materials Science and …, 2024 - Elsevier
Laser powder bed fusion (LPBF), as the most commercialized metal additive manufacturing
technique, is tantalizing the metallurgical community owing to its capabilities of directly …

[HTML][HTML] Fabrication of a strong and ductile FeCoCrNiMo0. 3 high-entropy alloy with a micro-nano precipitate framework via laser powder bed fusion

D Lin, X **, R Ma, Z Shi, H Wei, X Song, S Hu… - Composites Part B …, 2023 - Elsevier
Practical engineering applications of high-entropy alloys (HEAs) are limited owing to the
trade-off between their strength and plasticity. To address this limitation, herein, a …

Review on the tensile properties and strengthening mechanisms of additive manufactured CoCrFeNi-based high-entropy alloys

Z Wu, S Wang, Y Jia, W Zhang, R Chen, B Cao, S Yu… - Metals, 2024 - mdpi.com
The advent of high-entropy alloys (HEAs) provides new possibilities for the metallurgical
community. CoCrFeNi-based alloys have been widely recognized to demonstrate superior …

[HTML][HTML] Tailoring short-range order and dislocation evolution in Cr–Co–Ni medium-entropy alloys: A molecular dynamics study

A Jarlöv, W Ji, R Babicheva, Y Tian, Z Hu, HL Seet… - Materials & Design, 2024 - Elsevier
The research community has recently been captivated by the atomic-scale short-range order
observed in high-and medium-entropy alloys. However, significant challenges persist in …

Double heterogeneous structures induced excellent strength–ductility synergy in Ni40Co30Cr20Al5Ti5 medium-entropy alloy

AX Li, XS Liu, R Li, SB Yu, MH Jiang, JS Zhang… - Journal of Materials …, 2024 - Elsevier
The application of single-phase face-centered cubic (FCC) medium entropy alloys (MEAs) in
the engineering industry is often hindered by the challenge of insufficient strength. In this …

[HTML][HTML] Compositional regulation in additive manufacturing of precipitation-hardening (CoCrNi) 94Ti3Al3 medium-entropy superalloy: Cellular structure stabilization …

J Wang, H Yang, Z Liu, L Fan, W Yan, D Qiu… - Composites Part B …, 2024 - Elsevier
High or medium-entropy alloys that feature high thermal stability and excellent oxidation
resistance are promising candidates for elevated temperature applications. The rapid …

[HTML][HTML] Review on the preparation methods and strengthening mechanisms of medium-entropy alloys with CoCrNi as the main focus

H He, Y Wang, Y Qi, Z Xu, Y Li - Journal of Materials Research and …, 2023 - Elsevier
Abstract Medium-Entropy Alloy (MEA) is a new metal material with high strength, high
hardness, high corrosion resistance and excellent high temperature properties. With its …

Grain refinement of a NiCoFe medium entropy alloy: composition design from solute interaction perspective

ZH Yin, XW Liu, N Gao, SR Li, JQ Yao, ZT Fan… - Journal of Alloys and …, 2023 - Elsevier
The medium entropy alloys (MEAs) with mixing entropy between 1 R and 1.5 R eg, NiCoFe
alloy, exhibit unique properties, such as excellent specific strength and fracture toughness at …

Laser-directed energy deposition of a high performance additively manufactured (CoCrNi) 94 (TiAl) 6 medium-entropy alloy with a novel core-shell structured …

X Bi, R Li, Z Yuan, J Cheng, D Guan, P Zhang - Additive Manufacturing, 2024 - Elsevier
Abstract Additively manufactured (CoCrNi) 94 (TiAl) 6 medium-entropy alloys (MEAs) were
fabricated by laser-directed energy deposition. The strengthening induction mechanism in …

Simultaneously healing cracks and strengthening additively manufactured Co34Cr32Ni27Al4Ti3 high-entropy alloy by utilizing Fe-based metallic glasses as a glue

H Kang, K Song, L Li, X Liu, Y Jia, G Wang… - Journal of Materials …, 2024 - Elsevier
Solidification cracking issues during additive manufacturing (AM) severely prevent the rapid
development and broad application of this method. In this work, a representative Co 34 Cr …