Which of the following statements are true about edge dislocations?
P. Edge dislocations do not have an extra half plane associated with them.
Q. The Burger vectors is perpendicular to the direction.
R. Edge dislocations can avoid obstacles by cross-slip.
S. Depending on geometry, parallel edge dislocations of opposite signs can attract or repel one another.
A. R
B. P, Q, S
C. Q, S
D. Q, R
Answer: Option C
This Question Belongs to Metallurgical Engineering >> Physics Of Metals In Metallurgy
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A. Burger vector and the dislocation line are Parallel to each other for screw dislocations
B. Burger vector and the dislocation line are perpendicular to each other for edge dislocations
C. Screw dislocations glide parallel to its Burger vector
D. Edge dislocations glide parallel to its Burger Vector
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