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1. |
In the Frank-Read source of dislocation multiplication, in which of the following steps the shear stress required will be maximum? |
A. | Where D D’ are immobile points. Immobile points are shown in black dots, and the dislocation line is shown in the blue line, which is bowing around the black points. |
B. | a) |
C. | b) |
D. | c) |
E. | d) |
Answer» D. | |