ACTUATOR 2016 Manuscript A3.1


Author: Hubert Borgmann
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Pages: 3
Language: English
Publication date: 01/06/2016
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Manuscript A3.1 published in Conference Proceedings ACTUATOR 2016
Fast Actuation of Magnetic Shape Memory Material Ni-Mn-Ga Using Pulsed Magnetic Field

A. Saren, J. Tellinen, D. Musiienko, K. Ullakko
Lappeenranta University of Technology, Savonlinna, Finland

Abstract:
Pulsed magnetic field-induced actuation of magnetic shape memory material Ni–Mn–Ga 5M martensite has been studied. Saturation velocities of fast-moving single type II twin boundaries in a range of 35–39 m/s were directly observed using high-speed camera technique. Corresponding actuation velocities of 2.1–2.3 m/s were acquired using laser Doppler vibrometry technique, both for elongation and contraction of the sample. In a case of multiple twin boundaries motion, actuation velocities of 4–5.5 m/s and actuation accelerations of (4-7)×105 m/s2 were achieved. The actuation response time was measured to be less than 1 μs. The reported results have a potential for the development of new applications, especially in microscale devices where the working frequency can be significantly increased. Example potential applications are fast optical and electrical switches, pneumatic/hydraulic valves, microfluidic pumps and valves, micromanipulators and grippers.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (www.actuator.de)
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (www.ithec.de)

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