# Reaction Forming a Stair-Rod Dislocation

| The following sequence of pictures (taken from "Read and Hull") shows the formation of a Lomer-Cotrell dislocation.
|  | Two perfect dislocations on different {111} planes split into Shockley partials, move until they meet, and react. The end end product of the reaction is a stair-rod dislocation with a Lomer-Cotrell dislocation at its apex.

With frame

5.4.3 Some Details for Specific Lattices

© H. Föll (Defects - Script)