Metallurgical Engineering > GATE 2021 > Creep
Which one of the following is FALSE for creep deformation?
A
The minimum creep rate is obtained in the primary stage (stage I).
B
Creep resistance decreases with decrease in grain size.
C
Coble creep occurs via grain boundary diffusion.
D
Nabarro-Herring creep occurs via lattice diffusion.

Correct : a

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Related Topics

creep deformation metallurgy GATE Metallurgical Engineering 2021 false creep statement metallurgical engineering gate creep resistance grain size creep mechanism Nabarro-Herring creep Coble creep lattice diffusion grain boundary diffusion

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