Orientation dependence of superelasticity in FeMnAlNi single crystals under compression

Li-Wei Tseng, Ji Ma, Y. I. Chumlyakov, I. Karaman

Research output: Contribution to journalArticle

Abstract

The orientation dependence of the martensitic transformation characteristics and superelasticity were investigated in the Fe 43.5 Mn 34 Al 15 Ni 7.5 single crystalline shape memory alloy along the [100], [111] and [123] orientations under compression. Solution heat treated samples exhibited a strong orientation dependence of the slopes for the stress vs. temperature phase diagrams (i.e. Clausius-Clapeyron slopes), while peak-aged samples demonstrated reduced orientation dependence. Maximum superelastic strains determined in the experiments along various single crystal orientations match well with the theoretical predictions.

Original languageEnglish
Pages (from-to)48-52
Number of pages5
JournalScripta Materialia
Volume166
DOIs
Publication statusPublished - 2019 Jun 1

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Crystal orientation
Compaction
Single crystals
single crystals
Martensitic transformations
Shape memory effect
Phase diagrams
Crystalline materials
slopes
martensitic transformation
shape memory alloys
Experiments
Temperature
phase diagrams
heat
predictions
Hot Temperature
temperature

All Science Journal Classification (ASJC) codes

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

Cite this

Tseng, Li-Wei ; Ma, Ji ; Chumlyakov, Y. I. ; Karaman, I. / Orientation dependence of superelasticity in FeMnAlNi single crystals under compression. In: Scripta Materialia. 2019 ; Vol. 166. pp. 48-52.
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Orientation dependence of superelasticity in FeMnAlNi single crystals under compression. / Tseng, Li-Wei; Ma, Ji; Chumlyakov, Y. I.; Karaman, I.

In: Scripta Materialia, Vol. 166, 01.06.2019, p. 48-52.

Research output: Contribution to journalArticle

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