Grain growth in nanocrystalline nickel films at low temperature and stress

B. Wang, M. T. Alam, M. A. Haque

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The influence of temperature and stress on grain growth was investigated in nanocrystalline nickel thin films in situ inside a transmission electron microscope. Independently, temperature and stress did not show any appreciable effect. However, concurrent loading at only 20% of melting temperature and 20% of yield stress resulted in significant grain boundary mobility and grain growth. We propose that grain growth in nanocrystals is a stress-heterogeneity- relieving mechanism that may not necessarily be associated with plasticity as proposed in the literature.

Original languageEnglish (US)
Pages (from-to)1-4
Number of pages4
JournalScripta Materialia
Volume71
DOIs
StatePublished - Jan 1 2014

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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