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Shape deterioration and reversible shape-memory effect in Ni-Ti alloys

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Abstract

The effect of constraint heating on shape-memory properties in Ni-Ti alloys is studied. Specimens which memorized linear shape showed remarkable shape deterioration under constraint conditions above 1% bending surface strain and 100° C heating temperature. A reversible shape-memory effect was obtained after constraint heating, and shape change due to this was about 1.4% bending surface strain. These effects strongly depend on ageing temperatures during shape-memory treatment.

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  1. Department of Energy Engineering, Hokkaido Polytechnic College, Zenibako 3-190, 047-02, Otaru, Japan

    S. Edo

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  1. S. Edo
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Edo, S. Shape deterioration and reversible shape-memory effect in Ni-Ti alloys. J Mater Sci 24, 3991–3993 (1989). https://doi.org/10.1007/BF01168962

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  • DOI: https://doi.org/10.1007/BF01168962

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