Orientation dependence of superelasticity in FeMnAlNi single crystals under compression

L. W. Tseng; Ji Ma; Y. I. Chumlyakov; I. Karaman

doi:10.1016/j.scriptamat.2019.02.034

Orientation dependence of superelasticity in FeMnAlNi single crystals under compression

L. W. Tseng, Ji Ma, Y. I. Chumlyakov, I. Karaman

Department of Mechatronic Engineering

Research output: Contribution to journal › Article

1 Citation (Scopus)

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 language	English
Pages (from-to)	48-52
Number of pages	5
Journal	Scripta Materialia
Volume	166
DOIs	https://doi.org/10.1016/j.scriptamat.2019.02.034
Publication status	Published - 2019 Jun

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All Science Journal Classification (ASJC) codes

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

Cite this

Tseng, L. W., Ma, J., Chumlyakov, Y. I., & Karaman, I. (2019). Orientation dependence of superelasticity in FeMnAlNi single crystals under compression. Scripta Materialia, 166, 48-52. https://doi.org/10.1016/j.scriptamat.2019.02.034

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10.1016/j.scriptamat.2019.02.034