Q.

Which statement is false?

A. plastic deformation decreases dislocation density.
B. strain hardening is the increase of dislocation density with plastic deformation.
C. slip plane is the crystallographic plane of dislocation motion.
D. dislocation can change its plane of motion by climb on high temperatures.
Answer» A. plastic deformation decreases dislocation density.
Explanation: plastic deformation increases the dislocation density. plastic deformation causes generation of dislocations due to the frank-read source. all other statements are correct.
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