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Spreading of extrinsic grain boundary dislocations in plastically deformed aluminium

✍ Scribed by Varin, R. A. ;Wyrzykowski, J. W. ;Łojkowski, W. ;Grabski, M. W.


Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
367 KB
Volume
45
Category
Article
ISSN
0031-8965

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Low-angle grain boundary migration in th
✍ A.T. Lim; D.J. Srolovitz; M. Haataja 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 440 KB

We investigated the migration of a symmetric tilt, low-angle grain boundary (LAGB) under applied shear stress in the presence of extrinsic dislocations. The results demonstrate that there is a threshold stress for the LAGB to depin from extrinsic dislocations. Below the threshold stress, the LAGB re