The revolutionary multiple memory material technology allows local modification of shape memory alloy functional properties to create monolithic actuators that exhibit several different thermomechanical characteristics. In this work, high density laser energy was used to process a monolithic piece of NiTi shape memory alloy material to allow synergistic pseudoelastic and shape memory effect behavior. The resulting actuator contains self-biasing properties eliminating the need for a separate biasing mechanism for cyclic actuation. The characteristics of these different local behaviors were analyzed using tensile testing and differential scanning calorimetry. The stress and strain amplitude of the self-biasing linear actuation was characterized with relation to input current control. This work provides proof of concept for local modification of martensitic and austenitic phases; enabling self-biasing linear actuation.
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ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 16–18, 2013
Snowbird, Utah, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5603-1
PROCEEDINGS PAPER
An Innovative Laser-Processed NiTi Self-Biasing Linear Actuator
B. Panton,
B. Panton
University of Waterloo, Waterloo, ON, Canada
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A. Michael,
A. Michael
University of Waterloo, Waterloo, ON, Canada
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A. Pequegnat,
A. Pequegnat
University of Waterloo, Waterloo, ON, Canada
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M. Daly,
M. Daly
University of Waterloo, Waterloo, ON, Canada
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Y. Zhou,
Y. Zhou
University of Waterloo, Waterloo, ON, Canada
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M. I. Khan
M. I. Khan
Smarter Alloys Inc., Toronto, ON, Canada
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B. Panton
University of Waterloo, Waterloo, ON, Canada
A. Michael
University of Waterloo, Waterloo, ON, Canada
A. Pequegnat
University of Waterloo, Waterloo, ON, Canada
M. Daly
University of Waterloo, Waterloo, ON, Canada
Y. Zhou
University of Waterloo, Waterloo, ON, Canada
M. I. Khan
Smarter Alloys Inc., Toronto, ON, Canada
Paper No:
SMASIS2013-3152, V001T01A011; 5 pages
Published Online:
February 20, 2014
Citation
Panton, B, Michael, A, Pequegnat, A, Daly, M, Zhou, Y, & Khan, MI. "An Innovative Laser-Processed NiTi Self-Biasing Linear Actuator." Proceedings of the ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Integrated System Design and Implementation. Snowbird, Utah, USA. September 16–18, 2013. V001T01A011. ASME. https://doi.org/10.1115/SMASIS2013-3152
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