Two edge dislocations of opposite sign are found in a material separated by several planes of atoms as shown below. Please provide a helpful sketch and an explanation along with the answer for each of the following questions: a. Without changing slip planes, will they spontaneously line up one under the other? b. Under what circumstances could they move to the same slip plane? c. If they did so, what would tend to happen once they were on the same plane?

Question

Two edge dislocations of opposite sign are found in a
material separated by several planes of atoms as shown
below. Please provide a helpful sketch and an explanation
along with the answer for each of the following questions:
a. Without changing slip planes, will they spontaneously line up one under the other?
b. Under what circumstances could they move to the
same slip plane?
c. If they did so, what would tend to happen once
they were on the same plane?

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