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Published in: Journal of Materials Engineering and Performance 21/2023

12-01-2023 | Technical Article

Two-Way Shape Memory Effect and Viscoelastic Properties in NiTiHf Polycrystals Containing Nanosized Particles

Authors: A. I. Tagiltsev, E. Y. Panchenko, Y. I. Chumlyakov, E. E. Timofeeva, E. S. Marchenko

Published in: Journal of Materials Engineering and Performance | Issue 21/2023

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Abstract

The effect of stress-induced martensite aging on the microstructure, viscoelastic properties, and one-way and two-way shape memory effect in high-temperature Ni50.2Ti37.3Hf12.5 aged polycrystals in tension was investigated. Stress-induced martensite aging for 6 h resulted in significant changes in the viscoelastic properties of the polycrystals. The elastic module of the martensite and austenite increased (by a factor of two), and a large softening of the elastic module and the growth of internal friction by 30% during MT was observed. Aging in martensite leads to the induction of a two-way shape memory effect with a strain of 1.7%, whose degradation is related to the microstructural change. It is established that both the value and the stability of the high-temperature two-way shape memory effect are defined by the time of the stress-induced martensite aging and the maximum value and stability were observed at an aging time of 6 h.

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Literature
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go back to reference A.I. Tagiltsev, E. Yu Panchenko, E.E. Timofeeva, Yu.I. Chumlyakov, I.D. Fatkullin, E.S. Marchenko, and I. Karaman, The Effect of Stress-Induced Martensite Aging in Tension and Compression on B2–B19′ Martensitic Transformation in Ni50.3Ti32.2Hf17.5 High-Temperature Shape Memory Alloy, Smart Mater. Struct., 2021, 30(2), p 025039. https://doi.org/10.1088/1361-665X/abdaa8CrossRef A.I. Tagiltsev, E. Yu Panchenko, E.E. Timofeeva, Yu.I. Chumlyakov, I.D. Fatkullin, E.S. Marchenko, and I. Karaman, The Effect of Stress-Induced Martensite Aging in Tension and Compression on B2–B19′ Martensitic Transformation in Ni50.3Ti32.2Hf17.5 High-Temperature Shape Memory Alloy, Smart Mater. Struct., 2021, 30(2), p 025039. https://​doi.​org/​10.​1088/​1361-665X/​abdaa8CrossRef
Metadata
Title
Two-Way Shape Memory Effect and Viscoelastic Properties in NiTiHf Polycrystals Containing Nanosized Particles
Authors
A. I. Tagiltsev
E. Y. Panchenko
Y. I. Chumlyakov
E. E. Timofeeva
E. S. Marchenko
Publication date
12-01-2023
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 21/2023
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-023-07812-w

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