Dislocation strain field interactions

Dislocations have strain fields. These can interact with one another and with other point defects like impurities. The interactions can be positive or negative and lead to dislocation bands, dislocation pinning, and more. We can see these interactions with bubble raft videos.

[@juancarlosalvarezhostos7138]

question "can screw dislocations with opossite burger vectors anihilate each other?

[@TaylorSparks]

Yep. Just like edge dislocations can