A review on the fatigue cracking of twin boundaries: Crystallographic orientation and stacking fault energy
Twin boundaries (TBs) are ubiquitous interfaces with specific structure in metallic materials.
They possess special interactions with dislocations and the fatigue cracking behaviors are …
They possess special interactions with dislocations and the fatigue cracking behaviors are …
Tracking the sliding of grain boundaries at the atomic scale
Grain boundaries (GBs) play an important role in the mechanical behavior of polycrystalline
materials. Despite decades of investigation, the atomic-scale dynamic processes of GB …
materials. Despite decades of investigation, the atomic-scale dynamic processes of GB …
In situ microscopy techniques for characterizing the mechanical properties and deformation behavior of two-dimensional (2D) materials
Due to the atomic thickness and planar characteristics, two-dimensional (2D) materials such
as graphene and transition metal dichalcogenides (TMDs) are considered to be excellent …
as graphene and transition metal dichalcogenides (TMDs) are considered to be excellent …
Machine learning assisted design of FeCoNiCrMn high-entropy alloys with ultra-low hydrogen diffusion coefficients
The broad compositional space of high entropy alloys (HEA) is conducive to the design of
HEAs with targeted performance. Herein, a data-driven and machine learning (ML) assisted …
HEAs with targeted performance. Herein, a data-driven and machine learning (ML) assisted …
In situ atomic-scale observation of dislocation climb and grain boundary evolution in nanostructured metal
Non-conservative dislocation climb plays a unique role in the plastic deformation and creep
of crystalline materials. Nevertheless, the underlying atomic-scale mechanisms of …
of crystalline materials. Nevertheless, the underlying atomic-scale mechanisms of …
Deep-Learning Aided Atomic-Scale Phase Segmentation toward Diagnosing Complex Oxide Cathodes for Lithium-Ion Batteries
Phase transformation─ a universal phenomenon in materials─ plays a key role in
determining their properties. Resolving complex phase domains in materials is critical to …
determining their properties. Resolving complex phase domains in materials is critical to …
Chemical core-shell metastability-induced large ductility in medium-entropy maraging and reversion alloys
Maraging structural materials have been traditionally indicated as essential metallic alloys
for hundreds of years. The highest strength of the aged martensite alloys requires the …
for hundreds of years. The highest strength of the aged martensite alloys requires the …
High-strength AlCoCrFeNi2. 1 eutectic high entropy alloy with ultrafine lamella structure via additive manufacturing
X Chen, J Kong, J Li, S Feng, H Li, Q Wang… - Materials Science and …, 2022 - Elsevier
AlCoCrFeNi 2.1 eutectic high entropy alloy (EHEA), with its unique in-situ composite
structure, not only overcomes the shortcoming of insufficient strength for face-centered-cubic …
structure, not only overcomes the shortcoming of insufficient strength for face-centered-cubic …
Misorientation-dependent transition between grain boundary migration and sliding in FCC metals
Grain boundaries (GBs) play a crucial role in the mechanical behaviors of nanocrystalline
materials. The dynamics of GBs depend on a variety of intrinsic and extrinsic factors …
materials. The dynamics of GBs depend on a variety of intrinsic and extrinsic factors …
Shear direction induced transition mechanism from grain boundary migration to sliding in a cylindrical copper bicrystal
A Hua, J Zhao - International Journal of Plasticity, 2022 - Elsevier
Control over grain boundary (GB) motion ways provides an effective mean for tailoring the
mechanical and physical properties of nanocrystalline metals. However, shear direction …
mechanical and physical properties of nanocrystalline metals. However, shear direction …