Concept

Dislocation

Related lectures (31)

Dislocations and Deformation

Explores dislocations in crystals, deformation mechanisms, and the effects of obstacles on dislocation movement.

Dislocation Mechanisms: Part 4

Explores dislocation mechanisms in crystals, including sliding plane deviations and screw dislocations.

Kinetics of Dislocations

Explores the kinetics of dislocations, stress fields, and interactions with point defects and extended defects.

Elasticity Theory of Dislocations

Explores the stress field around dislocations, equilibrium equations, conservation laws, and energy calculations in face-centered cubic metals.

Defects in Crystals: Point Defects and Dislocations

Explores point defects and dislocations in crystals, highlighting their impact on material properties and the importance of energy relaxation.

Plastic Deformation: Introduction to the Dislocation Model

Covers plastic deformation, dislocation model, stages, shear stress, distortion, dislocation loops, strain hardening, and crystal growth.

Deformation and Dislocations

Explores the sliding of dislocations in single crystals, plastic deformation, and stress fields induced by dislocations.

Dislocations in Face-Centered Cubic Metals: Thompson Tetrahedron

Explores Thompson tetrahedron, dislocations in metals, Shockley partial dislocations, and stacking faults.

Multiscale Mechanics of Metal Plasticity

Explores the multiscale mechanics of metal plasticity, covering dislocations, crystal plasticity, and atomistic plasticity, with a focus on dynamic strain aging in aluminum alloys.

Thermally Activated Dislocation Motion

Explores thermally activated dislocation motion and physically based constitutive models in materials at high strain rates.

Lamination: Deformation, Ductility, and Dislocations

Explores lamination, ductility, plastic deformation, and dislocations in materials, emphasizing the effects of strain rate and temperature.

Thermally Activated Dislocation Motion

Explores thermally activated dislocation motion, covering Gibbs free energy, activation volume, climb velocity, and steady-state creep.

Cyclic Deformation and Recrystallization

Explores cyclic deformation, dislocation structures, fatigue resistance, and recrystallization kinetics.

Plastic Deformation and Energy Accumulation

Explores energy accumulation in materials during plastic deformation and the effects of dislocation density and heating.

Mechanical Behavior of Materials

Explores large deformations, dislocations, grain boundaries, and material behavior under different conditions.

Thin Films: Growth and Interfaces

Explores dislocation motion, thin film growth models, and interface nature in modern technology.

Dislocations: Glide vs. Climb

Explores the mechanisms of glide and climb motion for dislocations and different types of interfaces in materials.

Thin Film Growth Models

Explores dislocation motion, thin film interfaces, growth models, and diffusion-limited aggregation, emphasizing interface properties and dislocation control.

Mechanical Properties of Materials: Elastic Limit and Dislocations

Covers the elastic limit, dislocations, and plasticity mechanisms of materials.

Defects in Crystals

Explores defects in crystals, including point defects, dislocations, grain boundaries, and their impact on material behavior.