What factors limit dislocation mobility

Assignment Help Mechanical Engineering

Reference no: EM13706981

a) Explain why metals are ductile and ceramics are brittle, in terms of their dislocation motion.

b) Draw 2 pictures to sequentially show an edge dislocation gliding through a crystal, using dots to represent the atoms.

c) Draw 2 pictures to show how a dislocation can climb by capturing a vacancy.

d) What factors limit dislocation mobility?

e) What positive and negative effects does limiting dislocation mobility have on mechanical properties?

Reference no: EM13706981

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