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Q. |
What is the range of dislocation density in pure and unhardened metals? |
A. | 1010 – 1012 m-2 |
B. | 1014 – 1016 m-2 |
C. | 104 – 106 m-2 |
D. | 108 – 1010 m-2 |
Answer» A. 1010 – 1012 m-2 | |
Explanation: pure unhardened metals (real crystal) contain large number of dislocations of the order of1010 – 1012 m-2. so these can easily be deformed. |
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