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Energy of a Crossed Grid of Screw Dislocations

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1 Author(s)
Li, James C.M. ; Edgar C. Bain Laboratory for Fundamental Research, United States Steel Corporation, Monroeville, Pennsylvania

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The strain energy of a crossed grid of screw dislocations is calculated using isotropic elasticity theory. It is found that a distortion from the stable structure requires a large amount of strain energy. It is indicated that long‐range stresses can exist in metastable dislocation networks without a long pile‐up of like dislocations. Possible rearrangements of dislocation networks in both fcc and bcc metals are shown.

Published in:

Journal of Applied Physics  (Volume:32 ,  Issue: 10 )