Abstract
In the present study, the shape memory characteristics of Co38Ni33Al29 (numbers indicate at.%) alloy single crystals are investigated. Transformation behavior under constant stress levels, two-way shape memory behavior, the effect of cyclic deformation and pseudoelasticity as a function of strain and temperature were studied. The single crystals demonstrate large two-way shape memory strain, a near perfect pseudoelastic behavior with up to 4% pseudoelastic strain, low pseudoelastic stress hysteresis, a large pseudoelastic temperature window and high resistance for dislocation slip.
Original language | English |
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Pages (from-to) | 875-878 |
Number of pages | 4 |
Journal | Materials Science and Engineering: A |
Volume | 438-440 |
Issue number | SPEC. ISS. |
DOIs | |
State | Published - Nov 25 2006 |
Bibliographical note
Funding Information:This work was supported by Deutsche Forschungsgemeinschaft, Army Research Office, Contract No. DAAD 19-02-1-0261, and National Science Foundation, Division of Materials Research, Contract No. 0244126.
Keywords
- CoNiAl
- Martensitic phase transformation
- Pseudoelasticity
- Shape memory
ASJC Scopus subject areas
- General Materials Science
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering