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Concept

Dislocation

Related lectures (31)

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.

Plastic Deformation: Introduction to the Dislocation Model

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

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, covering Gibbs free energy, activation volume, climb velocity, and steady-state creep.

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.

Structural Hardening in Al-Cu System

Explores structural hardening in the Al-Cu system through precipitate formation, growth kinetics, and dislocation movement.

Defects in Materials: Structure and Behavior

Explores defects in materials, grain boundaries, grain coarsening kinetics, the glass transition, and vacancy creation.

Dislocations and Deformation Log in to Mediaspace to watch this video

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

Dislocation Mechanisms: Part 4 Log in to Mediaspace to watch this video

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

Defects in Crystals: Point Defects and Dislocations Log in to Mediaspace to watch this video

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

Deformation and Dislocations Log in to Mediaspace to watch this video

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

Thermally Activated Dislocation Motion Log in to Mediaspace to watch this video

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

Lamination: Deformation, Ductility, and Dislocations Log in to Mediaspace to watch this video

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

Cyclic Deformation and Recrystallization Log in to Mediaspace to watch this video

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

Plastic Deformation and Energy Accumulation Log in to Mediaspace to watch this video

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

Mechanical Behavior of Materials Log in to Mediaspace to watch this video

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

Thin Films: Growth and Interfaces Log in to Mediaspace to watch this video

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