Designing nanoparticles-strengthened high-entropy alloys with simultaneously enhanced strength-ductility synergy at both room and elevated temperatures

JX Hou, SF Liu, BX Cao, JH Luan, YL Zhao, Z Chen… - Acta Materialia, 2022 - Elsevier
Developing microstructurally stable alloys with the outstanding strength-ductility combination
at both room temperature and elevated temperatures is highly desirable for advanced …

Pursuing ultrastrong and ductile medium entropy alloys via architecting nanoprecipitates-enhanced hierarchical heterostructure

SK Guo, ZL Ma, GH Xia, XY Li, ZQ Xu, WZ Li, XY Jin… - Acta Materialia, 2024 - Elsevier
Nanoprecipitate-strengthened medium/high entropy alloys (M/HEAs) with ultrahigh strengths
and unusual physical properties represent promising candidates for structural applications …

Heterogenous columnar-grained high-entropy alloys produce exceptional resistance to intermediate-temperature intergranular embrittlement

BX Cao, HJ Kong, L Fan, JH Luan, ZB Jiao, JJ Kai… - Scripta Materialia, 2021 - Elsevier
High-entropy alloys (HEAs) strengthened by coherent nanoparticles show great potentials
for elevated-temperature structural applications, which however, generally suffer from a …

Metalloid substitution elevates simultaneously the strength and ductility of face-centered-cubic high-entropy alloys

D Wei, L Wang, Y Zhang, W Gong, T Tsuru, I Lobzenko… - Acta Materialia, 2022 - Elsevier
Recently-developed high-entropy alloys (HEAs) containing multiple principal metallic
elements have extended the compositional space of solid solutions and the range of their …

Ultrastrong and ductile BCC high-entropy alloys with low-density via dislocation regulation and nanoprecipitates

X Yan, PK Liaw, Y Zhang - Journal of Materials Science & Technology, 2022 - Elsevier
The high strength is a typical advantage of body-centered-cubic high-entropy alloys
(BCCsingle bondHEAs). However, brittleness and weak strain-hardening ability are still their …

Ductilizing brittle high-entropy alloys via tailoring valence electron concentrations of precipitates by controlled elemental partitioning

T Yang, YL Zhao, WH Liu, JH Zhu, JJ Kai… - Materials Research …, 2018 - Taylor & Francis
High-strength high-entropy alloys (HEAs) reinforced by hard intermetallics generally show a
propensity for embrittlement, significantly undercutting their applications. Here we report a …

Si-addition contributes to overcoming the strength-ductility trade-off in high-entropy alloys

D Wei, W Gong, T Tsuru, I Lobzenko, X Li… - International Journal of …, 2022 - Elsevier
Face-centered cubic single-phase high-entropy alloys (HEAs) containing multi-principal
transition metals have attracted significant attention, exhibiting an unprecedented …

Enhanced strength-ductility synergy via novel bifunctional nano-precipitates in a high-entropy alloy

L Liu, Y Zhang, J Li, M Fan, X Wang, G Wu… - International Journal of …, 2022 - Elsevier
High-entropy alloys (HEAs) with a single-phased face-centered-cubic structure possess
excellent plasticity but generally low strength. Precipitation strengthening is one of the most …

A strong-yet-ductile high-entropy alloy in a broad temperature range from cryogenic to elevated temperatures

YH Zhou, JY Zhang, J Zhang, XY Yao, JH Luan, Q Li… - Acta Materialia, 2024 - Elsevier
Developing strong-yet-ductile alloys with wide temperature capabilities is crucial for modern
industrial and scientific applications; however, this is often difficult to realize using …

Carbon and nitrogen co-doping enhances phase stability and mechanical properties of a metastable high-entropy alloy

W Zhang, D Yan, W Lu, Z Li - Journal of Alloys and Compounds, 2020 - Elsevier
To probe the significant interstitial effects coupling with the metastability design of high-
entropy alloys (HEAs), we introduced both interstitial C and N into a representative …