Mechanical properties and deformation mechanisms of gradient nanostructured metals and alloys

X Li, L Lu, J Li, X Zhang, H Gao - Nature Reviews Materials, 2020 - nature.com
Inspired by the gradient structures of biological materials, researchers have explored
compositional and structural gradients for about 40 years as an approach to enhance the …

[HTML][HTML] An overview of tailoring strain delocalization for strength-ductility synergy

H Wu, G Fan - Progress in Materials Science, 2020 - Elsevier
In this paper, we systematically proposed the strategy of tailoring strain delocalization to
evade long-standing strength-ductility trade-off dilemma. The scientific contribution is to …

Dual heterogeneous structures lead to ultrahigh strength and uniform ductility in a Co-Cr-Ni medium-entropy alloy

XH Du, WP Li, HT Chang, T Yang, GS Duan… - Nature …, 2020 - nature.com
Alloys with ultra-high strength and sufficient ductility are highly desired for modern
engineering applications but difficult to develop. Here we report that, by a careful controlling …

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 …

Advanced high-entropy alloys breaking the property limits of current materials

D Li, PK Liaw, L ** in high-entropy alloys: A pathway to achieve desired strength-ductility synergy
MY He, YF Shen, N Jia, PK Liaw - Applied materials today, 2021 - Elsevier
High-entropy alloys (HEAs) have attracted great attention because they provide diversified
possibilities for obtaining many exceptional properties. They are expected to serve as …

Hierarchically activated deformation mechanisms to form ultra-fine grain microstructure in carbon containing FeMnCoCr twinning induced plasticity high entropy alloy

MS Rizi, H Minouei, BJ Lee, H Pouraliakbar… - Materials Science and …, 2021 - Elsevier
Nanotructural evolution and grain refinement leading to heterogeneous bimodal structure
were investigated during thermomechanical processing in carbon-containing FeMnCoCr …

Remarkable wear resistance in a complex concentrated alloy with nanohierarchical architecture and composition undulation

Y Geng, W Chen, H Tan, J Cheng, S Zhu, J Yang… - Research, 2023 - spj.science.org
Sustained wear damages on the sliding surfaces of alloys are generally the culprit
responsible for the failure of various mechanical systems. Inspired by high-entropy effects …

A (CrFeNi) 83 (AlTi) 17 high-entropy alloy matrix solid-lubricating composite with exceptional tribological properties over a wide temperature range

Y Geng, J Cheng, H Tan, Q Sun, J Chen, S Zhu… - Journal of Materials …, 2023 - Elsevier
High-entropy alloy matrix solid-lubricating composites (HSLCs) are promising anti-wear and
friction-reduced materials to meet the demands of complicated engineering applications …

Design of ultrastrong but ductile medium-entropy alloy with controlled precipitations and heterogeneous grain structures

W Li, TH Chou, T Yang, WS Chuang, JC Huang… - Applied Materials …, 2021 - Elsevier
In this study, we develop a non-equiatomic Co 2 CrNi 1.5 Al 0.25 Ti 0.25 quinary medium-
entropy alloy (MEA). The heterogeneous grain structure (HGS)(comprising residual …