Amorphous shear bands in crystalline materials as drivers of plasticity
Traditionally, the formation of amorphous shear bands in crystalline materials has been
undesirable, because shear bands can nucleate voids and act as precursors to fracture …
undesirable, because shear bands can nucleate voids and act as precursors to fracture …
On amorphization as a deformation mechanism under high stresses
In this paper we review the work related to amorphization under mechanical stress. Beyond
pressure, we highlight the role of deviatoric or shear stresses. We show that the most recent …
pressure, we highlight the role of deviatoric or shear stresses. We show that the most recent …
A review of grain boundary and heterointerface characterization in polycrystalline oxides by (scanning) transmission electron microscopy
Interfaces such as grain boundaries (GBs) and heterointerfaces (HIs) are known to play a
crucial role in structure-property relationships of polycrystalline materials. While several …
crucial role in structure-property relationships of polycrystalline materials. While several …
Superior flexibility in oxide ceramic crystal nanofibers
Oxide crystal ceramics are commonly hard and brittle, when they are bent they typically
fracture. Such mechanical response limits the use of these materials in emerging fields like …
fracture. Such mechanical response limits the use of these materials in emerging fields like …
Inhibiting the inverse Hall-Petch behavior in CoCuFeNiPd high-entropy alloys with short-range ordering and grain boundary segregation
W Ji, MS Wu - Scripta Materialia, 2022 - Elsevier
The mechanical implications of short-range ordering (SRO) and grain boundary (GB)
segregation in the inverse Hall-Petch behavior of nanocrystalline CoCuFeNiPd high-entropy …
segregation in the inverse Hall-Petch behavior of nanocrystalline CoCuFeNiPd high-entropy …
The characterization of plastic behavior and mechanical properties in the gradient nanostructured copper
WA Siswanto, RM Romero-Parra… - Proceedings of the …, 2023 - journals.sagepub.com
Due to their individual plastic deformation behavior and mechanistic performances, gradient
nano-grained (GNG) metals have been identified as promising materials for application in …
nano-grained (GNG) metals have been identified as promising materials for application in …
Effects of temperature and strain rate on plastic deformation mechanisms of nanocrystalline high-entropy alloys
The nanocrystalline high-entropy alloys (HEAs) can be regarded as ideal substitution
materials for use in aero engines due to their outstanding mechanical properties. Owing to …
materials for use in aero engines due to their outstanding mechanical properties. Owing to …
Stress-induced amorphization triggers deformation in the lithospheric mantle
The mechanical properties of olivine-rich rocks are key to determining the mechanical
coupling between Earth's lithosphere and asthenosphere. In crystalline materials, the motion …
coupling between Earth's lithosphere and asthenosphere. In crystalline materials, the motion …
Exploring nonlinear strengthening in polycrystalline metallic materials by machine learning methods and heterostructure design
J Du, J Li, Y Feng, Y Li, F Zhang - International Journal of Plasticity, 2023 - Elsevier
To improve the strength and plasticity of structural materials, researchers often introduce
various strengthening mechanisms such as second-phase strengthening, dislocation …
various strengthening mechanisms such as second-phase strengthening, dislocation …
Mobile dislocation mediated Hall-Petch and inverse Hall-Petch behaviors in nanocrystalline Al-doped boron carbide
Abstract The Hall-Petch and inverse Hall-Petch behaviors in nanocrystalline ceramics are
not well understood because dislocation activities, which are important in metals, are usually …
not well understood because dislocation activities, which are important in metals, are usually …