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 …

Revealing the deformation mechanisms of the heterogeneous structured CrMnFeCoNi high entropy alloy with ameliorated mechanical and corrosion resistance …

Y Zou, S Li, Y Li - Surface and Coatings Technology, 2022 - Elsevier
Developing high entropy alloy (HEA) with both high strength and ductility is a longstanding
challenge as potential structural materials. The strength and ductility trade-off can achieve …

Gradient structured high-entropy alloy with high hardness and corrosion resistance after laser shock peening

L Liao, Q Wan, Y Luo, B Jia, W Ma, B Yang… - Journal of Alloys and …, 2023 - Elsevier
In the effort to improve the surface properties of FeCoCrNiMn HEA, gradient structure was
prepared by laser shock peening (LSP), a versatile and efficient method to achieve distinct …

Enhanced strength-ductility of CoCrFeMnNi high-entropy alloy with inverse gradient-grained structure prepared by laser surface heat-treatment technique

B Zhang, J Chen, P Wang, B Sun, Y Cao - Journal of Materials Science & …, 2022 - Elsevier
The inverse gradient-grained CoCrFeMnNi high-entropy alloy with a desirable mechanical
property that evades the strength-ductility trade-off is fabricated by the process of cold rolling …

Combination of annealing and laser shock peening for tailoring microstructure and mechanical properties of laser directed energy deposited CrMnFeCoNi high …

Z Tong, W Wan, H Liu, W Zhou, YX Ye, X Ren - Additive Manufacturing, 2023 - Elsevier
In this study, a post-treatment method combining annealing and laser shock peening (LSP)
is used to tailor the microstructure and mechanical properties of CrMnFeCoNi high-entropy …

Excellent strength-ductility synergy properties of gradient nano-grained structural CrCoNi medium-entropy alloy

W Lu, X Luo, D Ning, M Wang, C Yang, M Li… - Journal of Materials …, 2022 - Elsevier
Tailoring heterogeneities could bring out excellent strength-ductility synergy properties. A
gradient nano-grained (GNG) structure, ie grain size range from nanometer (∼ 50 nm) at …

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 …

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 …

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] 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 …