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Deconvolution of overlapping peaks from differential scanning calorimetry analysis for multi-phase NiTi alloys

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1-s2.0-S004060311830220X-main.pdf (823.37 KB)

Date

2018-07-10

Authors

Michael, Andrew
Zhou, Y. Norman
Yavuz, Mustafa
Khan, Mohammad Ibraheem

Journal Title

Journal ISSN

Volume Title

Publisher

Elsevier

Abstract

An adaptive function capable of fitting the curve of Differential Scanning Calorimetry (DSC) data for any NiTi phase transformation peak has been developed. A novel methodology was applied in conjunction with this new equation, allowing for the deconvolution of multiple overlapping NiTi phase transformation peaks. Characteristic transformation properties determine by this methodology closely matched those ascertainable by current analysis techniques. This novel analysis technique allows for better determination of characteristic properties of complex NiTi materials with overlapping phase transformations or multiple embedded memories.

Description

The final publication is available at Elsevier via https://dx.doi.org/10.1016/j.tca.2018.05.014 © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

Deconvolution, Differential scanning calorimetry (DSC), Multi-phase, Multiple memory, Nickel-titanium, NiTi, Shape memory alloy (SMA)

LC Keywords

Citation

URI

https://dx.doi.org/10.1016/j.tca.2018.05.014
 http://hdl.handle.net/10012/14124

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Waterloo Research
Mechanical and Mechatronics Engineering