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Tensile deformation of NiTi shape memory alloy thermally loaded under applied stress
- 1.0574358 - FZÚ 2024 RIV GB eng J - Článek v odborném periodiku
Šittner, Petr - Iaparova, Elizaveta - Kadeřávek, Lukáš - Chen, Yuchen - Tyc, Ondřej
Tensile deformation of NiTi shape memory alloy thermally loaded under applied stress.
Materials and Design. Roč. 226, Feb (2023), č. článku 111638. ISSN 0264-1275. E-ISSN 1873-4197
Grant CEP: GA ČR(CZ) GA20-14114S; GA ČR(CZ) GA22-20181S; GA MŠMT(CZ) EF16_019/0000760; GA MŠMT(CZ) EF18_053/0016627; GA MŠMT LM2018110; GA MŠMT LM2023051
Institucionální podpora: RVO:68378271
Klíčová slova: NiTi * shape memory alloy * martensitic transformation * kwinking * tensile deformation
Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
Impakt faktor: 7.6, rok: 2023
Způsob publikování: Open access
Constitutive behavior of engineering materials is typically characterized by stress–strain curves from isothermal tensile and/or compression tests until fracture. Strain reversible behavior of martensitically transforming shape memory alloys (SMA) is additionally characterized by cyclic stress–strain and strain-temperature curves limited to temperatures and stresses, at which the recorded strain responses are reversible in closed loop cycles. In this work focussing coupled martensitic transformation and plastic deformation of NiTi, we deformed nanocrystalline NiTi SMA wire in isothermal and isostress tensile tests beyond the temperature and stress limits stemming from the requirement on the strain reversibility in closed loop cyclic tests. Stress–strain-temperature responses of NiTi wire in such tests were recorded and analysed.
Trvalý link: https://hdl.handle.net/11104/0344697
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