Investigation on the Laser Based Actuation of Single way Trained SMA Sheet and their Application for the Development of Micro Positioning Stage

Tameshwer Nath; Abhilash Kasliwal; Kartik Kulkarni; Raghunandan Singh; Ritesh Khatri; Gaurav Raut; Alok Kumar; Sahil Mittal; I.A. Palani

doi:10.4028/www.scientific.net/AMM.766-767.427

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 766-767Investigation on the Laser Based Actuation of...

Investigation on the Laser Based Actuation of Single way Trained SMA Sheet and their Application for the Development of Micro Positioning Stage

Abstract:

Shape memory alloy (SMA) is an intermetallic compound able to recover, in a predetermined shape during a thermal cycle while generating mechanical work. The primary objective of this research is to develop a shape memory alloy based micro-positioning stage. This paper reports about the training, actuation method of NiTi shape Memory alloy thin sheets and its displacement measurement through Michelson Interferometer. The SMA based Tripod was fabricated the actuation was done using an electrical biasing with 5 A(1.2 Volt) where a displacement of around 6.10 mm was achieved. The actuation studies were also performed using a laser with a optimum fluence of 100 mJ/cm² that is of upto7.25 mm achieved.

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Periodical:

Applied Mechanics and Materials (Volumes 766-767)

Pages:

427-431

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.766-767.427

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Online since:

June 2015

Authors:

Tameshwer Nath, Abhilash Kasliwal, Kartik Kulkarni, Raghunandan Singh, Ritesh Khatri, Gaurav Raut, Alok Kumar, Sahil Mittal, I.A. Palani*

Keywords:

Laser Actuation, Michelson Interferometer, Nd:YAG Laser, NiTi SMA, One way Training, Shape Memory Effect

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* - Corresponding Author

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