Significance of slip propensity determination in shape memory alloys

Piyas Chowdhury, Huseyin Sehitoglu

Research output: Contribution to journalArticlepeer-review


Performance degradation in a shape memory alloy (SMA) occurs due to dislocation activities at any stage of its thermo-mechanical deformation history. Knowing the physical energy barriers to activate slip could prove instrumental in devising strategies to engineer superior resistance thereto. Given the multi-elements, the SMA slip propensity is intrinsically decided by inherent bonding landscapes. In essence, the problem of theorizing SMA slipping tendency reduces to a quantum mechanical one. Consequently, atomistic calculations can provide invaluable experimentally verifiable material trend as well as potentially pave the way for advancing novel SMAs.

Original languageEnglish (US)
Pages (from-to)82-87
Number of pages6
JournalScripta Materialia
StatePublished - Jul 1 2016


  • Atomistic model
  • Density functional theory
  • Dislocation
  • Generalized stacking fault energy
  • Shape memory alloy

ASJC Scopus subject areas

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


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