Boost in mechanical strength of additive manufactured CoCrFeMnNi HEA by reinforcement inclusion of B4C nano-particles

SY Ahn, F Haftlang, ES Kim, SG Jeong, JS Lee… - Journal of Alloys and …, 2023 - Elsevier
As a way to improve the strength of high-entropy alloys (HEAs), reinforcement by composite
fabrication of HEAs has recently been investigated in various ways. In this study …

Influence of in-situ and ex-situ precipitations on microstructure and mechanical properties of additive manufacturing CoCrFeMnNi high-entropy alloys

X Zhang, R Li, L Huang, A Amar, C Wu, G Le, X Liu… - Vacuum, 2021 - Elsevier
CoCrFeMnNi high entropy alloys (HEAs) based composites have been synthesized by laser
melting deposition (LMD). Through TiC and WC particle additions, ex-situ TiC and in-situ M …

Nanoparticles induced intragranular and dislocation substructures in powder bed fusion for strengthening of high-entropy-alloy

T Shu, N Hu, F Liu, GJ Cheng - Materials Science and Engineering: A, 2023 - Elsevier
In recent years, high entropy alloys (HEAs) have attracted considerable attention because of
their excellent mechanical and functional properties. Despite this, as-cast high entropy …

[HTML][HTML] Additively manufactured CoCrFeNiMn high-entropy alloy via pre-alloyed powder

P Wang, P Huang, FL Ng, WJ Sin, S Lu, MLS Nai… - Materials & Design, 2019 - Elsevier
An equiatomic CoCrFeNiMn high-entropy alloy (HEA) powder is produced by vacuum
induction melting gas-atomization with argon gas. A detailed characterization reveals that …

[HTML][HTML] Cellular structure engineering of additive manufactured CoCrFeMnNi high-entropy composite: the role of hard ceramic reinforcements in elemental …

SY Ahn, F Haftlang, ES Kim, JS Lee, SG Jeong… - Additive Manufacturing …, 2023 - Elsevier
This study explores cellular structures in TiC/B 4 Csingle bondCoCrFeMnNi high-entropy
composites (HECs) fabricated by direct energy deposition (DED) additive manufacturing …

Superior thermal stability and strength of additively manufactured CoCrFeMnNi high-entropy alloy via NbC decorated sub-micro dislocation cells

R Li, D Kong, K He, C Dong - Scripta Materialia, 2023 - Elsevier
Additively manufactured metallic alloys often exhibit mesoscale chemical-structural
heterogeneity due to the inherent melting and solidification processes. The resulting …

Comparative study of the microstructure and phase evolution of FeCoCrNiAl high-entropy alloy-matrix WC nanocomposite powders prepared by mechanical alloying

Q Cheng, J Chen, G Yi, Y Shan, Y Geng, J Wang… - Journal of Alloys and …, 2023 - Elsevier
Mechanical alloying is the most popular processing method for preventing nanoparticle
agglomeration in metal matrix nanocomposites and is one of the primary methods for …

Hierarchical microstructures and strengthening mechanisms of nano-TiC reinforced CoCrFeMnNi high-entropy alloy composites prepared by laser powder bed fusion

H Chen, K Kosiba, T Lu, N Yao, Y Liu, Y Wang… - Journal of Materials …, 2023 - Elsevier
High entropy alloys (HEAs) have recently received extensive attention due to their appealing
mechanical performance given their simple phase formation. This study utilized laser …

Structure and properties of ultrafine-grained CoCrFeMnNi high-entropy alloys produced by mechanical alloying and spark plasma sintering

SH Joo, H Kato, MJ Jang, J Moon, EB Kim… - Journal of Alloys and …, 2017 - Elsevier
CoCrFeMnNi high-entropy alloy (HEA) materials were fabricated using mechanical alloying
(MA) and spark plasma sintering (SPS). The MA time, SPS temperature, and contaminations …

Microstructure evolution and enhanced mechanical properties of additively manufactured CrCoNi medium-entropy alloy composites

P Xue, L Zhu, P Xu, H Lu, S Wang, Z Yang… - Journal Of Alloys And …, 2022 - Elsevier
High-entropy alloys (HEAs) and medium-entropy alloys (MEAs) are regarded as promising
advanced material with vast potential applications because of their many functional …