Superelasticity of CoNiGa:Fe single crystals

descriptionPublicationkeyboard_double_arrow_right Article 08 Sep 2005 English Publisher:AIP PublishingJournal:Applied Physics Letters, volume 87 (issn: 0003-6951, eissn: 1077-3118,

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Authors: X. F. Dai; G. D. Liu; Z. H. Liu; G. H. Wu; J. L. Chen; F. B. Meng; H. Y. Liu; +5 Authors

doi: 10.1063/1.2045563

Superelasticity of CoNiGa:Fe single crystals

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Abstract

We have fabricated CoNiFeGa single crystals with excellent superelasticity. The superelastic strains of 4% and 6.7% in compression have been obtained along the [001] and [110] directions, respectively. These single crystals show strong anisotropy in strains, superelastic parameters, and even transformation path related to the different crystalline directions. A large superelastic strain up to 11% has been obtained in tension test. The perfect superelasticities have also displayed in bending and torsion tests.

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