Mechanical properties and deformation mechanisms of gradient nanostructured metals and alloys
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 …
compositional and structural gradients for about 40 years as an approach to enhance the …
Advancing strength and counteracting embrittlement by displacive transformation in heterogeneous high-entropy alloys containing sigma phase
Metallic alloy design for room temperature applications typically aims at avoiding undesired
brittle intermetallic phases. In transition metal alloys, the sigma phase is particularly known …
brittle intermetallic phases. In transition metal alloys, the sigma phase is particularly known …
Small-scale mechanical testing
V Jayaram - Annual Review of Materials Research, 2022 - annualreviews.org
This article reviews recent developments in small-scale mechanical property testing with
some emphasis on intermediate (meso) length scales in complex microstructures and …
some emphasis on intermediate (meso) length scales in complex microstructures and …
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 …
instability (strain localization). Recent experiments have shown that the strength and strain …
Forming mechanism, mechanical properties, and corrosion properties of aluminum alloy sheet with gradient structure processed by plastic flow machining
P Shen, B Zhang, Z Li, X Pang, W Deng - Journal of Alloys and Compounds, 2023 - Elsevier
Plastic flow machining (PFM), a novel severe plastic deformation machining, was proposed
to prepare 7075 aluminum alloy sheets with a gradient structure. The forming performance …
to prepare 7075 aluminum alloy sheets with a gradient structure. The forming performance …
Enhanced resistance to shear instability by gradient nanolayered structures in sputtered Cu/Zr composites
F Qin, W Lu, J Li - Materials Science and Engineering: A, 2022 - Elsevier
Nanolayered metallic composites have exhibited ultrahigh strength but compromised
ductility due to their vulnerability to shear instability during deformation. Here we show that a …
ductility due to their vulnerability to shear instability during deformation. Here we show that a …
Compatible deformation and extra strengthening by heterogeneous nanolayer composites
A topologically heterogeneous microstructure design is introduced in a Cu/Zr nanolayered
composite, in which each soft 100 nm Cu or Zr layer is surrounded on both sides by several …
composite, in which each soft 100 nm Cu or Zr layer is surrounded on both sides by several …
A Novelty Procedure to Identify Critical Causes of Materials Incompatibility
Ensuring the expected quality of materials is still a challenge, mainly in order to precisely
plan improvement actions that allow for stabilization of the production process. Therefore …
plan improvement actions that allow for stabilization of the production process. Therefore …
Strengthening Cu/Ni nanolayered composites by introducing thin Ag interlayers: A molecular dynamics simulation study
Y Wang, J Li - Journal of Applied Physics, 2021 - pubs.aip.org
Experiments have shown that the ultrahigh strength of nanolayered metallic composites
originates from their high-density interfaces of special characteristics. Hence, the modulation …
originates from their high-density interfaces of special characteristics. Hence, the modulation …
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 …
attracted intensive scientific interests due to their superior mechanical properties. However …