Superelastic response of the FeNiCoAlTi single crystals under tension and compression

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

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The superelastic response of the Fe43.5Ni28Co17Al11.5Ti2.5 single crystalline shape memory alloy was investigated along the [1 0 0] orientation in both tension and compression. A fully recoverable superelastic loop was observed under both tension and compression within the temperature range of -80 to 0 °C. At higher temperatures, while up to 6% superelastic strain was attainable in tension, the superelasticity deteriorates quickly under compressive strains exceeding 2%. The asymmetric response is likely caused by different numbers of stress-activated martensite variants in tension and compression.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalScripta Materialia
Volume101
DOIs
Publication statusPublished - 2015 May 1

Fingerprint

Compaction
Single crystals
single crystals
Shape memory effect
Martensite
Crystalline materials
Temperature
shape memory alloys
martensite
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 ; Karaman, I. ; Wang, S. J. ; Chumlyakov, Y. I. / Superelastic response of the FeNiCoAlTi single crystals under tension and compression. In: Scripta Materialia. 2015 ; Vol. 101. pp. 1-4.
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Superelastic response of the FeNiCoAlTi single crystals under tension and compression. / Tseng, Li-Wei; Ma, Ji; Karaman, I.; Wang, S. J.; Chumlyakov, Y. I.

In: Scripta Materialia, Vol. 101, 01.05.2015, p. 1-4.

Research output: Contribution to journalArticle

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