Table 1: Mechanisms assigned to shear stress and the modification expected in steel.

Material load Mechanism Modification
Shear stress Elastic lattice strain
- interaction transformation Δ Phase portion
- interaction diffusion Δ Element distribution
Δ Vacancy density
- critical nucleation radius Δ Inclusion density
Movement of dislocations Plastic deformation
Δ Gibbs energy (T, p)
Strengthening mechanisms (interaction of dislocations with alloy elements, dislocations, inclusions, grain boundaries) Δ Yield strength
Δ Hardness
Δ Gibbs energy (T, p)
Formation of dislocations Plastic deformation
Δ Dislocation density
Δ Gibbs energy
Δ Gibbs energy Plastic deformation
Δ Twin density
Δ Gibbs energy