Effects of aging on the shape memory and superelasticity behavior of ultra-high strength Ni54Ti46 alloys under compression

I. Kaya; H. Tobe; H. E. Karaca; B. Basaran; M. Nagasako; R. Kainuma; Y. Chumlyakov

doi:10.1016/j.msea.2016.09.078

Effects of aging on the shape memory and superelasticity behavior of ultra-high strength Ni₅₄Ti₄₆ alloys under compression

I. Kaya, H. Tobe, H. E. Karaca, B. Basaran, M. Nagasako, R. Kainuma, Y. Chumlyakov

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

This study investigates the effects of aging on the shape memory and superelasticity behavior of a Ni-rich Ni₅₄Ti₄₆ (at%) alloy. Differential scanning calorimetry (DSC), X-ray diffraction (XRD), transmission electron microscopy (TEM) and compression test (thermal cycling under stress and superelasticity) were carried out after 3 h agin;g from 450 °C to 600 °C. The alloys show recoverable shape memory effect with transformation strains of about 1% and narrow hysteresis under high stress levels. The work output of 14.1 Jg⁻¹ was observed at an ultra-high stress level of 1500 MPa after 600 °C 3 h aging. 450 °C 3 h aging resulted in a very narrow temperature hysteresis of 8°C under an ultra-high stress level of 1500 MPa. At room temperature, the superelastic response with 4% total strain was obtained even when high stress level of 2000 MPa is applied after 550 °C 3 h aging.

Original language	English
Pages (from-to)	93-100
Number of pages	8
Journal	Materials Science and Engineering: A
Volume	678
DOIs	https://doi.org/10.1016/j.msea.2016.09.078
State	Published - Dec 15 2016

Bibliographical note

Publisher Copyright:
© 2016 Elsevier B.V.

Funding

This work was supported in part by the NASA Fundamental Aeronautics Program, Supersonics Project and the NASA EPSCOR program under Grant no: NNX11AQ31A , KY EPSCoR RID program under Grant no: 3049024332 and RFBR project with Grant no: 10-03-0154-a . I.K. acknowledges the support from Anadolu University (Grant no. BAP-1605F390 ).

Funders	Funder number
National Aeronautics and Space Administration	NNX11AQ31A, 3049024332
National Aeronautics and Space Administration
Japan Society for the Promotion of Science Fund for the Promotion of Joint International Research	15H05766
Japan Society for the Promotion of Science Fund for the Promotion of Joint International Research
Russian Foundation for Basic Research	10-03-0154-a
Russian Foundation for Basic Research
Anadolu Üniversitesi	BAP-1605F390
Anadolu Üniversitesi

Keywords

High strength shape memory alloy
Multiple step phase transformation
Ni-rich NiTi shape memory alloy
R-phase transformation
Thermomechanical loading

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1016/j.msea.2016.09.078

Cite this

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title = "Effects of aging on the shape memory and superelasticity behavior of ultra-high strength Ni54Ti46 alloys under compression",

abstract = "This study investigates the effects of aging on the shape memory and superelasticity behavior of a Ni-rich Ni54Ti46 (at\%) alloy. Differential scanning calorimetry (DSC), X-ray diffraction (XRD), transmission electron microscopy (TEM) and compression test (thermal cycling under stress and superelasticity) were carried out after 3 h agin;g from 450 °C to 600 °C. The alloys show recoverable shape memory effect with transformation strains of about 1\% and narrow hysteresis under high stress levels. The work output of 14.1 Jg−1 was observed at an ultra-high stress level of 1500 MPa after 600 °C 3 h aging. 450 °C 3 h aging resulted in a very narrow temperature hysteresis of 8°C under an ultra-high stress level of 1500 MPa. At room temperature, the superelastic response with 4\% total strain was obtained even when high stress level of 2000 MPa is applied after 550 °C 3 h aging.",

keywords = "High strength shape memory alloy, Multiple step phase transformation, Ni-rich NiTi shape memory alloy, R-phase transformation, Thermomechanical loading",

author = "I. Kaya and H. Tobe and Karaca, \{H. E.\} and B. Basaran and M. Nagasako and R. Kainuma and Y. Chumlyakov",

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year = "2016",

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doi = "10.1016/j.msea.2016.09.078",

language = "English",

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AU - Kaya, I.

AU - Tobe, H.

AU - Karaca, H. E.

AU - Basaran, B.

AU - Nagasako, M.

AU - Kainuma, R.

AU - Chumlyakov, Y.

PY - 2016/12/15

Y1 - 2016/12/15

N2 - This study investigates the effects of aging on the shape memory and superelasticity behavior of a Ni-rich Ni54Ti46 (at%) alloy. Differential scanning calorimetry (DSC), X-ray diffraction (XRD), transmission electron microscopy (TEM) and compression test (thermal cycling under stress and superelasticity) were carried out after 3 h agin;g from 450 °C to 600 °C. The alloys show recoverable shape memory effect with transformation strains of about 1% and narrow hysteresis under high stress levels. The work output of 14.1 Jg−1 was observed at an ultra-high stress level of 1500 MPa after 600 °C 3 h aging. 450 °C 3 h aging resulted in a very narrow temperature hysteresis of 8°C under an ultra-high stress level of 1500 MPa. At room temperature, the superelastic response with 4% total strain was obtained even when high stress level of 2000 MPa is applied after 550 °C 3 h aging.

AB - This study investigates the effects of aging on the shape memory and superelasticity behavior of a Ni-rich Ni54Ti46 (at%) alloy. Differential scanning calorimetry (DSC), X-ray diffraction (XRD), transmission electron microscopy (TEM) and compression test (thermal cycling under stress and superelasticity) were carried out after 3 h agin;g from 450 °C to 600 °C. The alloys show recoverable shape memory effect with transformation strains of about 1% and narrow hysteresis under high stress levels. The work output of 14.1 Jg−1 was observed at an ultra-high stress level of 1500 MPa after 600 °C 3 h aging. 450 °C 3 h aging resulted in a very narrow temperature hysteresis of 8°C under an ultra-high stress level of 1500 MPa. At room temperature, the superelastic response with 4% total strain was obtained even when high stress level of 2000 MPa is applied after 550 °C 3 h aging.

KW - High strength shape memory alloy

KW - Multiple step phase transformation

KW - Ni-rich NiTi shape memory alloy

KW - R-phase transformation

KW - Thermomechanical loading

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