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Shape-Memory Alloy Thin Strip Rotary Actuator

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Abstract:

The torsional deformation properties of a TiNi shape-memory alloy thin strip were investigated. The results are summarized as follows. (1) The martensitic transformation starts at the edge of the thin strip. (2) The fatigue life in pulsating torsion is longer than that in alternating torsion. (3) A simple rotary driving element can be developed by using SMA-thin strip torsion.

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Periodical:

Materials Science Forum (Volume 674)

Pages:

219-224

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.674.219

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Online since:

February 2011

Authors:

Hisaaki Tobushi, Elzbieta Pieczyska, Kouji Miyamoto, Kento Mitsui

Keywords:

Fatigue, Rotary Driving Element, Shape Memory Alloy Actuator, Thin Strip, Torsion

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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References

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DOI: 10.2320/matertrans.mra2007097

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