The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is____________________?
Correct answer: A. More
- A. More
- B. Equal
- C. Less
- D. Double
Explanation
The elastic energy of an edge dislocation contains an additional factor of 1/(1−ν) compared with a screw dislocation. Since this factor is greater than one, an edge dislocation has greater energy per unit length.
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