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High plasticity and substantial deformation in nanocrystalline NiFe alloys under dynamic loading

  • Sheng Cheng
  • , Yonghao Zhao
  • , Yazhou Guo
  • , Ying Li
  • , Qiuming Wei
  • , Xun Li Wang
  • , Yang Ren
  • , Peter K. Liaw
  • , Hahn Choo
  • , Enrique J. Lavernia
  • University of Tennessee, Knoxville
  • University of California at Davis
  • University of North Carolina at Charlotte
  • Oak Ridge National Laboratory
  • United States Department of Energy

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

A nanocrystalline (NC) NiFe alloy is presented, in which both highly improved plasticity and strength are achieved by the dynamic-loading-induced deformation mechanisms of de-twinning (that is, reduction of twin density) and significant grain coarsening (see figure). This work highlights potential ingenious avenues to exploit the superior behavior of NC materials under extreme conditions. "Figure Presented"

Original languageEnglish
Pages (from-to)5001-5004
Number of pages4
JournalAdvanced Materials
Volume21
Issue number48
DOIs
StatePublished - 28 Dec 2009
Externally publishedYes

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