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Strain variation during the isothermal martensitic transformation in the Ni51Ti49 shape memory alloy. / Ivanov, Aleksei ; Belyaev, Sergey; Resnina, Natalia; Andreev, Vladimir.

In: Sensors and Actuators, A: Physical, Vol. 297, 111543, 01.10.2019.

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@article{ded47cc1751c4bc2a904f0c65a0305cd,
title = "Strain variation during the isothermal martensitic transformation in the Ni51Ti49 shape memory alloy",
abstract = "The strain variation under constant tensile stress of 50 MPa during isothermal holding of the quenched Ni51Ti49 shape memory alloy is reported for the first time. A maximum strain of 0.4% is observed during holding at a temperature of −37 °C, which is 6 °C less than the start temperature of the martensitic transformation (Ms σ). A shift in the holding temperature above or below the Ms σ temperature decreases the isothermal strain. It is shown that the strain that appears during isothermal holding completely recovers on subsequent heating. This allows one to conclude that the strain variation on holding is caused by the martensitic transformation that occurs under isothermal conditions.",
keywords = "Isothermal martensitic transformation, Martensitic phase transformation, Shape memory alloys (SMA), Strain variation, B2",
author = "Aleksei Ivanov and Sergey Belyaev and Natalia Resnina and Vladimir Andreev",
year = "2019",
month = oct,
day = "1",
doi = "10.1016/j.sna.2019.111543",
language = "English",
volume = "297",
journal = "Sensors and Actuators, A: Physical",
issn = "0924-4247",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Strain variation during the isothermal martensitic transformation in the Ni51Ti49 shape memory alloy

AU - Ivanov, Aleksei

AU - Belyaev, Sergey

AU - Resnina, Natalia

AU - Andreev, Vladimir

PY - 2019/10/1

Y1 - 2019/10/1

N2 - The strain variation under constant tensile stress of 50 MPa during isothermal holding of the quenched Ni51Ti49 shape memory alloy is reported for the first time. A maximum strain of 0.4% is observed during holding at a temperature of −37 °C, which is 6 °C less than the start temperature of the martensitic transformation (Ms σ). A shift in the holding temperature above or below the Ms σ temperature decreases the isothermal strain. It is shown that the strain that appears during isothermal holding completely recovers on subsequent heating. This allows one to conclude that the strain variation on holding is caused by the martensitic transformation that occurs under isothermal conditions.

AB - The strain variation under constant tensile stress of 50 MPa during isothermal holding of the quenched Ni51Ti49 shape memory alloy is reported for the first time. A maximum strain of 0.4% is observed during holding at a temperature of −37 °C, which is 6 °C less than the start temperature of the martensitic transformation (Ms σ). A shift in the holding temperature above or below the Ms σ temperature decreases the isothermal strain. It is shown that the strain that appears during isothermal holding completely recovers on subsequent heating. This allows one to conclude that the strain variation on holding is caused by the martensitic transformation that occurs under isothermal conditions.

KW - Isothermal martensitic transformation

KW - Martensitic phase transformation

KW - Shape memory alloys (SMA)

KW - Strain variation

KW - B2

UR - http://www.scopus.com/inward/record.url?scp=85070710195&partnerID=8YFLogxK

U2 - 10.1016/j.sna.2019.111543

DO - 10.1016/j.sna.2019.111543

M3 - Article

AN - SCOPUS:85070710195

VL - 297

JO - Sensors and Actuators, A: Physical

JF - Sensors and Actuators, A: Physical

SN - 0924-4247

M1 - 111543

ER -

ID: 45307664