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Are nanotwinned structures in fcc metals optimal for strength, ductility and grain stability?

โœ Scribed by Yashashree Kulkarni; Robert J. Asaro; Diana Farkas


Book ID
113897691
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
370 KB
Volume
60
Category
Article
ISSN
1359-6462

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Ultrafine polycrystalline metals containing nanotwins exhibit simultaneous ultrahigh strength and ductility. We study the plastic deformation of such materials through molecular dynamics simulations. Based upon these simulations, we trace the sequence of dislocation events associated with the initia