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Deformation twinning in nanocrystalline NI

  • X. Wu
  • , E. Ma
  • , Y. T. Zhu
  • , K. Lu
  • CAS - Institute of Mechanics
  • Johns Hopkins University
  • Computational Earth Science, Earth and Environmental Sciences Division, Los Alamos National Laboratory
  • CAS - Institute of Metal Research

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Deformation twinning is observed upon large plastic deformation in nanocrystalline (nc) Ni by transmission electron microscopy examinations. New and compelling evidence has been obtained for several twinning mechanisms that operate in nc grains, with the grain boundary emission of partial dislocations determined as the most proficient. Deformation twinning in nc Ni is discussed in comparison with molecular dynamics simulation results, based on generalized planar fault energy curves.

Original languageEnglish
Title of host publicationUltrafine Grained Materials IV
Pages35-40
Number of pages6
StatePublished - 2006
Externally publishedYes
Event2006 TMS Annual Meeting - San Antonio, TX, United States
Duration: 12 Mar 200616 Mar 2006

Publication series

NameTMS Annual Meeting
Volume2006

Conference

Conference2006 TMS Annual Meeting
Country/TerritoryUnited States
CitySan Antonio, TX
Period12/03/0616/03/06

Keywords

  • Deformation twinning
  • Nanocrystalline
  • Plastic deformation

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