Gradient heterostructured laser-powder bed fusion processed CoCrFeMnNi high entropy alloy

GM Karthik, Y Kim, ES Kim, A Zargaran… - Additive …, 2022 - Elsevier
Developing metal additive parts with a synergy in strength and ductility is a demanding need
for many critical applications. Recently, gradient structures have been of research interest as …

Enhanced mechanical performance of gradient-structured CoCrFeMnNi high-entropy alloys induced by industrial shot-blasting

MZ Zhang, K Zhang, KK Song, XY Zou, WD Song, KF Li… - Rare Metals, 2023 - Springer
In this study, CoCrFeMnNi high-entropy alloys (HEAs) with a surface gradient nanostructure
were produced using industrial shot blasting, which improved their mechanical properties …

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 …

Fabrication of multi-gradient heterostructured CoCrFeMnNi high-entropy alloy using laser metal deposition

GH Gu, ES Kim, H Kwon, S Son, RE Kim, TG Oh… - Materials Science and …, 2022 - Elsevier
Heterostructured materials have superior strength–ductility behavior than conventional
homogenous materials. In this study, a multi-gradient heterostructured CoCrFeMnNi high …

[HTML][HTML] Additive manufacturing of interstitial-strengthened high entropy alloy: scanning strategy dependent anisotropic mechanical properties

W Zhang, H Wang, BJ Kooi, Y Pei - Materials Science and Engineering: A, 2023 - Elsevier
A non-equiatomic interstitial-strengthened high entropy alloy (iHEA), Fe 49.5 Mn 30 Co 10
Cr 10 C 0.5 (at.%), is manufactured by laser powder-bed fusion (LPBF) with stripe and …

Enhanced strength-ductility synergy in high-entropy alloys via architecting three-level gradient hierarchical nanostructure

L Zeng, L Zeng, P Xu, W Liu, T Liang, W Li… - Materials Science and …, 2023 - Elsevier
Gradient microstructural design represents a new strategy for enhancing strength-ductility
synergy of high/medium entropy alloys (H/MEAs). However, most of the reported gradient …

[HTML][HTML] Deformation processes of additively manufactured interstitial-strengthened high entropy alloy: In-situ high-energy synchrotron X-ray diffraction and …

W Zhang, J Shen, JP Oliveira, H Wang, S Feng… - Additive …, 2023 - Elsevier
Additively manufactured components often exhibit pronounced anisotropy due to the
heterogeneous microstructure generated by the complex and repetitive thermal cycling …

[HTML][HTML] Multi-layered heterostructured CoCrFeMnNi high-entropy alloy processed using direct energy deposition and ultrasonic nanocrystalline surface modification

GH Gu, RE Kim, ES Kim, J Lee, A Amanov… - Journal of Materials …, 2022 - Elsevier
The advantages of heterostructured materials as structural materials include superior
mechanical properties and the ability to tailor the strength-ductility combination via …

Toward tunable microstructure and mechanical properties in additively manufactured CoCrFeMnNi high entropy alloy

H Li, W Fu, T Chen, Y Huang, Z Ning, J Sun… - Journal of Alloys and …, 2022 - Elsevier
Tailoring microstructure and mechanical properties of structural materials to meet
application requirements is a long-standing challenge in materials science. Here we have …

Cryogenic tensile behavior of laser additive manufactured CoCrFeMnNi high entropy alloys

ES Kim, KR Ramkumar, GM Karthik, SG Jeong… - Journal of Alloys and …, 2023 - Elsevier
In the present work the microstructural evolution, tensile properties, and deformation
behavior of additively manufactured equiatomic CoCrFeMnNi high entropy alloy (HEA) were …