Videos
Here you will find a collection of videos taken during in-situ TEM (transmission electron microscopy) experiments showing elementary processes of plastic deformation.
Dislocation motion¶
- In Al at 400°C
- In TA6V at room temperature
- Interaction dislocation-precipitate in an ODS steel (ref [22,24])
- Dynamic strain ageing in an ODS steel (ref [22,24]): behavior at 350°C (pinning)
and at 550°C (solute drag)
- Dislocation dipole annihilation in an Al-Pd-Mn quasicrystal (ref [4])
- Pile-up of dislocations in an ultra fine grained Al: under load
and during unloading
- Dislocation grain boundary interaction (ref [36])
Motion at grain boundaries and interfaces¶
- Grain boundaries motions under stress at 400°C in micron grains Al
- Idem in a sub-micron grain
- Shear-migration coupling by motion of a disconnection (dislocation plus step)(ref [32])
- Dislocation motions in a twin boundary in Al (ref [47])
- Dislocation source in a general grain boundary in Al (ref [33])
- Shrinkage of a circular Al grain by capillarity (ref [27])
- Dislocation emission from an austenite lath growing in a ferrite matrix (ref [52])
- Al-Al_2Cu eutectic fusion
Deformation mechanisms in whiskers¶
- Fragile behavior in an Al wire (ref [28])
and in Be wire (ref [46])
- Spiral source in an Al wire (ref [28])
- Dislocation avalanche in an Al wire
- Twinning in Be wire (ref [46])
Plasticity and irradiation¶
- Dislocation irradiation loop interaction in a Zr alloy (ref [49])
- Helicoidal climb in Mg irradiated in situ with 200 kV electrons
- Formation of irradiation loops in Mg
- Unpining of a dislocation loop by electron irradiation in Mg