Abstract

The effects of the addition of quaternary element, Co, to polycrystalline NiMnGa alloys on their magnetic and shape memory properties have been investigated. NiCoMnGa polycrystalline alloys have been found to demonstrate good shape memory and superelasticity behavior under compression at temperatures greater than 100 °C with about 3% transformation strain and low-temperature hysteresis. It is also possible to train the material to demonstrate a large two-way shape memory effect.

Document Type

Article

Publication Date

5-29-2013

Notes/Citation Information

Published in Journal of Materials Engineering and Performance, v. 22, no. 10, p. 3111-3114.

Copyright 2013 ASM International. This paper was published in Journal of Materials Engineering and Performance, v. 22, no. 10, p. 3111-3114 and is made available as an electronic reprint with the permission of ASM International. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplications of any material in this paper for a fee or for commercial purposes, or modification of the content of this paper are prohibited.

Digital Object Identifier (DOI)

http://dx.doi.org/10.1007/s11665-013-0593-0

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