Table 1 Calculated reaction heat, activation energy, and barrier strength for dislocation reactions by slip transfer mode.
Types of dislocationDislocation reactions equationReaction heat (eV/Å)Activation energy (eV)Barrier strength (GPa)
Glide-set 30° partial
dislocation
Bα → Bδ + δα1.56.953.7
Bα → BTαT + αTα2.46.752.1
Glide-set 90° partial
dislocation
αD → Aδ03.937.2
αD → αδ +αTδ + DTαT2.94.649.3
Glide-set 0° perfect
dislocation
BC → Bδ + δC−0.96.243.7
BC → BTαT + αTCT−0.910.231.7
Bα + αC → Bδ + δC06.953.7
Bα + αC → BTαT + αTCT06.752.1
Glide-set 60° perfect
dislocation
BD → Bδ + δD2.79.955.3
Bα + >αD →αTDT + BTαT + 2αTδ3.06.752.1
Shuffle-set 0° perfect
dislocation
BC → BC07.824.1
BC → BTCT08.219.2
Shuffle-set 60° perfect
dislocation
BD → BC + CD7.116.347.7
BD → BTCT + CD7.116.347.7