A computational mechanical constitutive modeling method based on thermally-activated microstructural evolution and strengthening mechanisms
A mechanical constitutive relationship is the basis for the design and application of structural
materials, and the establishment of a mechanical constitutive relationship generally relies on …
materials, and the establishment of a mechanical constitutive relationship generally relies on …
Dislocation flow turbulence simultaneously enhances strength and ductility
Multi-principal element alloys (MPEAs) exhibit outstanding strength attributed to the complex
dislocation dynamics as compared to conventional alloys. Here, we develop an atomic …
dislocation dynamics as compared to conventional alloys. Here, we develop an atomic …
[HTML][HTML] Topology and evolution of dislocation structures mediated by glissile reactions in face-centered cubic metals
The strength and hardening of metallic materials are dictated by the motion and interactions
of dislocations. Individual dislocations intersect, react, and frequently form junctions, defining …
of dislocations. Individual dislocations intersect, react, and frequently form junctions, defining …
Prediction of yield surface of single crystal copper from discrete dislocation dynamics and geometric learning
The yield surface of a material is a criterion at which macroscopic plastic deformation
begins. For crystalline solids, plastic deformation occurs through the motion of dislocations …
begins. For crystalline solids, plastic deformation occurs through the motion of dislocations …
A graph database for feature characterization of dislocation networks
B Katzer, D Betsche, K Böhm, D Weygand, K Schulz - Scripta Materialia, 2024 - Elsevier
Three-dimensional dislocation networks control the mechanical properties such as strain
hardening of crystals. Due to the complexity of dislocation networks and their temporal …
hardening of crystals. Due to the complexity of dislocation networks and their temporal …
Double-peak Strain Hardening Behavior of Mg–1.2 wt.% Y Alloy
In this study, the mechanical behavior and deformation mechanism of an extruded Mg–1.2
wt.% Y rod under tension and compression along the extrusion direction (ED) were …
wt.% Y rod under tension and compression along the extrusion direction (ED) were …
Synergistic Tailoring of Electronic and Thermal Transports in Thermoelectric Se-Free n-Type (Bi,Sb)2Te3
S Jung, S Jo, K Song, EA Choi, J Bae… - … Applied Materials & …, 2024 - ACS Publications
Se-free n-type (Bi, Sb) 2Te3 thermoelectric materials, outperforming traditional n-type Bi2
(Te, Se) 3, emerge as a compelling candidate for practical applications of recovering low …
(Te, Se) 3, emerge as a compelling candidate for practical applications of recovering low …
Dislocation storage-release-recovery model for metals under strain rates from 10− 3 to 107 s− 1, and application to tantalum
Extending the storage-recovery model, we propose a new strengthening model, premised
on detailed evolution laws for both mobile and immobile dislocations, for metals under …
on detailed evolution laws for both mobile and immobile dislocations, for metals under …
Unveiling deformation behavior and damage mechanism of irradiated high entropy alloys
The oxide dispersion strengthening (ODS) high entropy alloy (HEA) exhibits the high
elevated temperature performance and radiation resistance due to severe atomic lattice …
elevated temperature performance and radiation resistance due to severe atomic lattice …
Work hardening in colloidal crystals
S Kim, I Svetlizky, DA Weitz, F Spaepen - Nature, 2024 - nature.com
Colloidal crystals exhibit interesting properties,,–that are in many ways analogous to their
atomic counterparts. They have the same crystal structures,,–, undergo the same phase …
atomic counterparts. They have the same crystal structures,,–, undergo the same phase …