Metallurgical Engineering > GATE 2025 > Dislocations
A single crystal BCC metal with a lattice parameter a=0.4 nm is subjected to deformation at a shear strain rate of 0.001 s-1.
If the average mobile dislocation density in the single crystal is 1010 m-2, the average dislocation velocity is ______ ×10-3 m s-1 (rounded off to two decimal places).
Given: Burgers vector b=(a/2)⟨111⟩
If the average mobile dislocation density in the single crystal is 1010 m-2, the average dislocation velocity is ______ ×10-3 m s-1 (rounded off to two decimal places).
Given: Burgers vector b=(a/2)⟨111⟩
Correct : 0.80
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