One- and two-step phase transformation in Ti-rich NiTi shape memory alloy

Paula Andersan dos Santos; Karimbi Koosappa Mahesh; Christian Mariani Lucas dos Santos; João Paulo Heitor Godinho Canejo; Francisco Manuel Braz Fernandes

One- and two-step phase transformation in Ti-rich NiTi shape memory alloy

Paula Andersan dos Santos, Karimbi Koosappa Mahesh, Christian Mariani Lucas dos Santos, João Paulo Heitor Godinho Canejo, Francisco Manuel Braz Fernandes

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

6 Citations (Scopus)

Abstract

In the present study, the phase transformations in the Ti-rich (51.0 at% Ti-Ni) NiTi Shape Memory Alloy (SMA) was analyzed using four characterization techniques: Differential Scanning Calorimetry (DSC), Electrical Resistivity (ER), Dilatometry and X-Ray Diffraction (XRD). During the phase transformations various physical parameters of the material are modified and each technique senses different physical phenomena. In order to distinguish the different types of sequences (one-step versus two-step) the observations are discussed highlighting the capability of each technique to analyze the phase transformations in NiTi SMAs. © 2006 - IOS Press and the authors.

Original language	English
Pages (from-to)	25-32
Number of pages	8
Journal	International Journal Of Applied Electromagnetics And Mechanics
Volume	23
Issue number	1-2
Publication status	Published - 1 Jan 2006

Keywords

Transformation steps
XRD
Dilatometry
DSC
Electrical resistivity
Shape memory effect

Cite this

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title = "One- and two-step phase transformation in Ti-rich NiTi shape memory alloy",

abstract = "In the present study, the phase transformations in the Ti-rich (51.0 at% Ti-Ni) NiTi Shape Memory Alloy (SMA) was analyzed using four characterization techniques: Differential Scanning Calorimetry (DSC), Electrical Resistivity (ER), Dilatometry and X-Ray Diffraction (XRD). During the phase transformations various physical parameters of the material are modified and each technique senses different physical phenomena. In order to distinguish the different types of sequences (one-step versus two-step) the observations are discussed highlighting the capability of each technique to analyze the phase transformations in NiTi SMAs. {\textcopyright} 2006 - IOS Press and the authors. ",

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AU - Santos, Paula Andersan dos

AU - Mahesh, Karimbi Koosappa

AU - Santos, Christian Mariani Lucas dos

AU - Canejo, João Paulo Heitor Godinho

AU - Braz Fernandes, Francisco Manuel

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AB - In the present study, the phase transformations in the Ti-rich (51.0 at% Ti-Ni) NiTi Shape Memory Alloy (SMA) was analyzed using four characterization techniques: Differential Scanning Calorimetry (DSC), Electrical Resistivity (ER), Dilatometry and X-Ray Diffraction (XRD). During the phase transformations various physical parameters of the material are modified and each technique senses different physical phenomena. In order to distinguish the different types of sequences (one-step versus two-step) the observations are discussed highlighting the capability of each technique to analyze the phase transformations in NiTi SMAs. © 2006 - IOS Press and the authors.

KW - Transformation steps

KW - XRD

KW - Dilatometry

KW - DSC

KW - Electrical resistivity

KW - Shape memory effect

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JO - International Journal Of Applied Electromagnetics And Mechanics

JF - International Journal Of Applied Electromagnetics And Mechanics

IS - 1-2

ER -

One- and two-step phase transformation in Ti-rich NiTi shape memory alloy

Abstract

Keywords

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