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Metastable effects on martensitic transformation in SMA. Part IX: static aging for morphing by temperature and stress

Author
Torra, V.; Auguet, C.; Isalgue, A.; Lovey, F.C.; Carreras, G.
Type of activity
Journal article
Journal
Journal of thermal analysis and calorimetry
Date of publication
2013-04
Volume
112
Number
2
First page
777
Last page
780
DOI
https://doi.org/10.1007/s10973-012-2585-y Open in new window
Abstract
The NiTi SMA was studied by temperature (mainly at 373 K) and by stress–temperature aging. The temperature induces monotonic changes in Rs transformation temperature near 10–20 K/year. The simultaneous stress/temperature aging produced strong changes in the stress–strain cycles and in the necessary stress to continue transforming with an increase of maximal stress near 45 MPa/month at 373 K.
Keywords
Aging, Martensitic transformation, Metastable effects, Morphing, SMA
Group of research
AIEM - Architecture, energy and environment
BIOCOM-SC - Computational Biology and Complex Systems Group

Participants