Phase transformations of severely plastically deformed Ti-Ni-Pd high-temperature shape memory alloys
- Author(s)
- Semir Tulic, Michael Kerber, Mitsuhiro Matsuda, Thomas Waitz
- Abstract
Severe plastic deformation of a Ti50Ni25Pd25 high-temperature shape memory alloy yields a nanoscale mixture of an amorphous phase and retained lamellae of the parent B19 martensite. The thermal stability of the deformed martensite is significantly enhanced. Upon heating, B2 austenite occurs within the martensite and by crystallization of the amorphous phase, concomitant with recovery and the formation of an ultrafine grained structure. In the small grains, the B2 austenite to B19 martensitic transformation is shifted to lower temperatures and incomplete.
- Organisation(s)
- Physics of Nanostructured Materials
- External organisation(s)
- Kumamoto University
- Journal
- Functional Materials Letters
- Volume
- 10
- No. of pages
- 8
- ISSN
- 1793-6047
- DOI
- https://doi.org/10.1142/S1793604717400124
- Publication date
- 02-2017
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 103018 Materials physics
- Keywords
- ASJC Scopus subject areas
- Materials Science(all)
- Portal url
- https://ucris.univie.ac.at/portal/en/publications/phase-transformations-of-severely-plastically-deformed-tinipd-hightemperature-shape-memory-alloys(79041c3d-8342-403e-a188-04eebe2425fe).html