Shear banding suppression in Cu/TiZrNb nanolayered composites through dual crystalline/amorphous interfaces

K Dai, C Zhang, J Li - Materials Today Communications, 2024 - Elsevier
Medium/high entropy alloys (M/HEAs)-based nanolayered composites have attracted
intense scientific interest due to the improved mechanical properties. However, the shear …

Medium entropy alloy-induced strong size dependence in the strengthening and shear instability of nanolayered metallic composites

F Qin, K Dai, J Hou, W Lu, S Chen, J Li - Mechanics of Materials, 2024 - Elsevier
Medium/high entropy alloys (M/HEAs)-based nanolayered metallic composites have
attracted intensive scientific interests due to their superior mechanical properties. However …

Strong resistance to shear instability in multilayered metallic composites by nanoscale amorphous-BCC crystalline interfaces

F Qin, F Chen, J Hou, W Lu, S Chen, J Li - Materials Science and …, 2024 - Elsevier
Experiments have shown that high strength and high plastic stability are difficult to be
simultaneously obtained in crystalline-amorphous layered composites. Here we report a …

Size-dependent microstructural evolution and mechanical properties of crystalline/amorphous high-entropy alloy nanostructured multilayers: Cu/FeCoCrNiBSi vs Ni …

YF Zhao, B Chen, YQ Wang, JY Zhang, SZ Li, K Wu… - Acta Materialia, 2023 - Elsevier
Magnetron sputtering technique was employed to synthesize crystalline/amorphous high-
entropy alloy (AHEA) X/AHEA (X= Cu and Ni, AHEA= Fe 20 Co 20 Cr 20 Ni 20 B 10 Si 10) …

On the strain delocalization mechanism of Cu/Nb nanolayered composites with amorphous interfacial layers

Y Wang, J Li, J Li, S Chen - International Journal of Plasticity, 2024 - Elsevier
Nanostructured metals and alloys possess ultrahigh strength but suffer from severe shear
instability (strain localization). Recent experiments have shown that the strength and strain …

Shear instability in heterogeneous nanolayered Cu/Zr composites

J Li, F Qin, D Yan, W Lu, J Yao - Journal of Materials Science & Technology, 2022 - Elsevier
Ultrastrong nanolayered metallic composites are usually subjected to low ductility due to
plastic instability during deformation. Here we investigated the shear instability of a newly …

Quantifying the Size-Dependent Shear Banding Behavior in High-Entropy Alloy-Based Nanolayered Glass

K Dai, C Zhang, W Lu, J Li - Nanomaterials, 2024 - mdpi.com
Extensive research has shown that nanolayered structures are capable of suppressing the
shear banding in metallic glass in nanoindentation experiments. However, the specific mode …

Interface-affected mechanical properties and strengthening mechanisms in heterogeneous high entropy alloy nanolaminates

Y Zhao, Y Wang, K Wu, J Zhang, G Liu, J Sun - Journal of Alloys and …, 2022 - Elsevier
Introducing heterogeneous interfaces by constructing laminated structure is a promising
avenue to achieve the controllable strengthening behavior of high entropy alloys. In this …

The hardness and related deformation mechanisms in nanoscale crystalline–amorphous multilayers

Y Cui, P Huang, F Wang, TJ Lu, KW Xu - Thin Solid Films, 2015 - Elsevier
Built upon recent findings that nanocrystalline–amorphous multilayers could possess both
high strength and ductility due to nano-layer-limited structures, depth-sensing …

[HTML][HTML] An ultra-strong and ductile crystalline-amorphous nanostructured surface layer on TiZrHfTaNb0. 2 high-entropy alloy by laser surface processing

J Luo, W Sun, D Liang, W Yang, KC Chan, F Ren… - Materials & Design, 2023 - Elsevier
Heterogeneous crystalline-amorphous nanostructures have been documented to show
superior strength-ductility synergy via the co-deformation cooperative effects of nanograins …