Heterogenous columnar-grained high-entropy alloys produce exceptional resistance to intermediate-temperature intergranular embrittlement
High-entropy alloys (HEAs) strengthened by coherent nanoparticles show great potentials
for elevated-temperature structural applications, which however, generally suffer from a …
for elevated-temperature structural applications, which however, generally suffer from a …
Designing nanoparticles-strengthened high-entropy alloys with simultaneously enhanced strength-ductility synergy at both room and elevated temperatures
Developing microstructurally stable alloys with the outstanding strength-ductility combination
at both room temperature and elevated temperatures is highly desirable for advanced …
at both room temperature and elevated temperatures is highly desirable for advanced …
Strain partitioning enables excellent tensile ductility in precipitated heterogeneous high-entropy alloys with gigapascal yield strength
High entropy alloys (HEAs) with grain-scale heterogeneous structure and coherent
precipitates have shown gigapascal strength and considerable ductility. However, the …
precipitates have shown gigapascal strength and considerable ductility. However, the …
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 …
and unusual physical properties represent promising candidates for structural applications …
Engineering heterostructured grains to enhance strength in a single-phase high-entropy alloy with maintained ductility
ABSTRACT Coarse-grained (CG) single-phase face-centered cubic (fcc) high-entropy alloys
(HEAs) normally show insufficient room temperature strength. Here we design and …
(HEAs) normally show insufficient room temperature strength. Here we design and …
Compositionally complex coherent precipitation-strengthened high-entropy alloys: a critical review
The coherent precipitation-strengthened high-entropy alloys (CPS-HEAs) as a new type of
structural materials are expected to possess many unique mechanical properties, such as …
structural materials are expected to possess many unique mechanical properties, such as …
Intermediate temperature embrittlement in a precipitation-hardened high-entropy alloy: The role of heterogeneous strain distribution and environmentally assisted …
Severe intergranular embrittlement has been found in a wide range of polycrystalline
metallic materials in the intermediate temperature regime, setting severe limits on their …
metallic materials in the intermediate temperature regime, setting severe limits on their …
A high-entropy alloy with hierarchical nanoprecipitates and ultrahigh strength
High-entropy alloys (HEAs) are a class of metallic materials that have revolutionized alloy
design. They are known for their high compressive strengths, often greater than 1 GPa; …
design. They are known for their high compressive strengths, often greater than 1 GPa; …
Achieving high strength and high ductility in a high-entropy alloy by a combination of a heterogeneous grain structure and oxide-dispersion strengthening
Strengthening single-phase face-centered cubic high-entropy alloys (HEAs) by grain
refinement is usually accompanied by a dramatic loss of ductility, which is referred to as the …
refinement is usually accompanied by a dramatic loss of ductility, which is referred to as the …
Ductilizing brittle high-entropy alloys via tailoring valence electron concentrations of precipitates by controlled elemental partitioning
High-strength high-entropy alloys (HEAs) reinforced by hard intermetallics generally show a
propensity for embrittlement, significantly undercutting their applications. Here we report a …
propensity for embrittlement, significantly undercutting their applications. Here we report a …