On the preparation and characterization of thin NiTi shape memory alloy wires for MEMS

On the preparation and characterization of thin NiTi shape memory alloy wires for MEMS

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Shape memory alloy (SMA) wires are employed as actuators in small devices for consumer electronics, valves and automotive applications. Because of the continued miniaturization of all the industrial products, nowadays the tendency is to produce MEMS (micro electromechanical systems). Among the mos...

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Main Authors: Riccardo Casati, Maurizio Vedani, Syed A. M. Tofail, Calum Dikinson, Ausonio Tuissi
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2012-12-01
Series:Frattura ed Integrità Strutturale
Subjects:
Shape memory alloys
Online Access:https://212.237.37.202/index.php/fis/article/view/157
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spelling doaj-e0f07bc8edc34577ab813b434a5adbc02021-01-30T17:15:45ZengGruppo Italiano FratturaFrattura ed Integrità Strutturale1971-89932012-12-01723On the preparation and characterization of thin NiTi shape memory alloy wires for MEMSRiccardo Casati0Maurizio Vedani1Syed A. M. Tofail2Calum Dikinson3Ausonio Tuissi4Department of Mechanical Engineering, Politecnico di Milano, Via La Masa 34, Milano, ItalyDepartment of Mechanical Engineering, Politecnico di Milano, Via La Masa 34, Milano, ItalyMaterials and Surface Science Institute, University of Limerick, Limerick, IrelandMaterials and Surface Science Institute, University of Limerick, Limerick, IrelandNational Research Council (CNR-IENI), Corso Promessi Sposi 29, Lecco, ItalyShape memory alloy (SMA) wires are employed as actuators in small devices for consumer electronics, valves and automotive applications. Because of the continued miniaturization of all the industrial products, nowadays the tendency is to produce MEMS (micro electromechanical systems). Among the most promising functional MEMS materials, the thin SMA wires that are offering a rapid actuating response with high power/weigh ratio of the material, are attracting a world wide interest. This paper is aimed at showing the production process and the characterizations of thin NiTi shape memory wires. The activity was focused on drawing procedure and on functional and TEM characterizations of the final products. In particular, it was evaluated the performance of the SMA wires for actuators in terms of functional fatigue and thermo-mechanical properties by means of an experimental apparatus design ad hoc for these specific testshttps://212.237.37.202/index.php/fis/article/view/157Shape memory alloys
collection DOAJ
language English
format Article
sources DOAJ
author Riccardo Casati
Maurizio Vedani
Syed A. M. Tofail
Calum Dikinson
Ausonio Tuissi
spellingShingle Riccardo Casati
Maurizio Vedani
Syed A. M. Tofail
Calum Dikinson
Ausonio Tuissi
On the preparation and characterization of thin NiTi shape memory alloy wires for MEMS
Frattura ed Integrità Strutturale
Shape memory alloys
author_facet Riccardo Casati
Maurizio Vedani
Syed A. M. Tofail
Calum Dikinson
Ausonio Tuissi
author_sort Riccardo Casati
title On the preparation and characterization of thin NiTi shape memory alloy wires for MEMS
title_short On the preparation and characterization of thin NiTi shape memory alloy wires for MEMS
title_full On the preparation and characterization of thin NiTi shape memory alloy wires for MEMS
title_fullStr On the preparation and characterization of thin NiTi shape memory alloy wires for MEMS
title_full_unstemmed On the preparation and characterization of thin NiTi shape memory alloy wires for MEMS
title_sort on the preparation and characterization of thin niti shape memory alloy wires for mems
publisher Gruppo Italiano Frattura
series Frattura ed Integrità Strutturale
issn 1971-8993
publishDate 2012-12-01
description Shape memory alloy (SMA) wires are employed as actuators in small devices for consumer electronics, valves and automotive applications. Because of the continued miniaturization of all the industrial products, nowadays the tendency is to produce MEMS (micro electromechanical systems). Among the most promising functional MEMS materials, the thin SMA wires that are offering a rapid actuating response with high power/weigh ratio of the material, are attracting a world wide interest. This paper is aimed at showing the production process and the characterizations of thin NiTi shape memory wires. The activity was focused on drawing procedure and on functional and TEM characterizations of the final products. In particular, it was evaluated the performance of the SMA wires for actuators in terms of functional fatigue and thermo-mechanical properties by means of an experimental apparatus design ad hoc for these specific tests
topic Shape memory alloys
url https://212.237.37.202/index.php/fis/article/view/157
work_keys_str_mv AT riccardocasati onthepreparationandcharacterizationofthinnitishapememoryalloywiresformems
AT mauriziovedani onthepreparationandcharacterizationofthinnitishapememoryalloywiresformems
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AT calumdikinson onthepreparationandcharacterizationofthinnitishapememoryalloywiresformems
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