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 …

Cell boundary engineering of ferrous medium-entropy alloy fabricated by laser powder bed fusion

JM Park, H Kwon, J Choe, KT Kim, JH Yu, YU Heo… - Scripta Materialia, 2023 - Elsevier
The concept of cell boundary (CB) engineering was proposed to explore the potential
benefits of segregation engineering in obtaining superior mechanical properties in materials …

Powder plasma arc additive manufacturing of (AlTi) 2x (CoCrNi) 100–2x medium-entropy alloys: microstructure evolution and mechanical properties

J Luo, X Chen, VB Deev, M Wen, Y Shen… - Journal of Alloys and …, 2024 - Elsevier
In this work the effects of Al and Ti element addition on the microstructure and mechanical
properties of CoCrNi medium-entropy alloys (MEAs) has been investigated. A novel (AlTi) 2x …

[HTML][HTML] Nitrogen-doping assisted local chemical heterogeneity and mechanical properties in CoCrMoW alloys manufactured via laser powder bed fusion

W Jiang, R Li, J He, S Ni, L Wang, Z Chen… - Advanced Powder …, 2024 - Elsevier
CoCrMoW alloys with different nitrogen (N) additions (0, 0.05, 0.1, and 0.2​ wt%) were
prepared via laser powder bed fusion (LPBF). The effects of N content on the microstructure …

Pulsed-wave laser additive manufacturing of CrCoNi medium-entropy alloys with high strength and ductility

S Gao, W Ji, Q Zhu, A Jarlöv, X Shen, X Bai, C Zhu… - Materials Today, 2024 - Elsevier
One of the most popular medium-and high-entropy alloys is CrCoNi alloy, renowned for its
outstanding mechanical properties, particularly at cryogenic temperatures. However, further …

Machine learning-based prediction of CoCrFeNiMo0. 2 high-entropy alloy weld bead dimensions in wire arc additive manufacturing

Q Shen, J Xue, Z Zheng, X Yu, N Ou - Materials Today Communications, 2024 - Elsevier
Wire arc additive manufacturing (WAAM) is a promising method to fabricate large-sized
components. By adjusting WAAM process parameters, dimensions of WAAM-produced weld …

[HTML][HTML] Exceptional strength-ductility synergy in additively manufactured (CoCrNi) 90Al5Ti5 medium-entropy alloy by heat treatment

J Luo, H Lu, M Wen, S Ma, X Chen - Journal of Materials Research and …, 2024 - Elsevier
Abstract Powder Plasma Arc Additive Manufacturing (PPA-AM) technique has tremendous
potential for the practical application in medium-entropy alloys (MEAs). In this study, we …

[HTML][HTML] Cryogenic tensile behavior of carbon-doped CoCrFeMnNi high-entropy alloys additively manufactured by laser powder bed fusion

H Park, H Kwon, KT Kim, JH Yu, J Choe, H Sung… - Additive …, 2024 - Elsevier
Cryogenic tensile behaviors of carbon-doped CoCrFeMnNi high-entropy alloy (C-HEA)
printed by laser powder bed fusion (LPBF) were systematically explored. The LPBFed C …

A novel strategy to regulate the precipitation-strengthened high-entropy alloy fabricated by laser directed energy deposition

B Zhang, W Mu, Y Cai - Materials Characterization, 2024 - Elsevier
The optimization of the aging process is an effective strategy for achieving excellent
performance in the rapidly solidified CoCrFeNiTi 0.7 high-entropy alloy (HEA). Current …

Effects of homogenization and deep cryogenic treatments on microstructure and mechanical property of D2 tool steel fabricated by laser direct energy deposition

H Jung, S Nam, C Jung, G Lee, S Lee, JS Lee… - Materials Science and …, 2024 - Elsevier
The integration of laser direct energy deposition (L-DED) for manufacturing high-hardness
D2 tool steel components presents a promising avenue for addressing the increasing …