Grain boundary sliding in nanomaterials at elevated temperatures

A. V. Sergueeva, N. A. Mara, A. K. Mukherjee

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


The unique deformation behavior of nanocrystalline materials is considered to be caused by suppression of conventional lattice dislocation slip (which dominates in coarse-grained materials) and effective action of alternative deformation mechanisms occurring through motion of grain boundary defects. A significant role of grain boundary sliding in deformation processes in nanocrystalline materials was shown in models and was revealed experimentally.

Original languageEnglish (US)
Pages (from-to)1433-1438
Number of pages6
JournalJournal of Materials Science
Issue number5
StatePublished - Mar 2007

Bibliographical note

Funding Information:
Acknowledgement This investigation is supported by NSF, Division of Materials Research (grant NSF-DMR-0240144).


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