Coupled Thermomechanical Modelling of Ni45Ti50Cu5 Shape Memory Alloy Actuators for High-Load Applications
Christoph Peukert, Stefan Heiland, Thomas Hutsch, Mario Scholze, Jens Müller, Ludwig Leser +2 · Springer Science and Business Media LLC · 2026
This research presents a thermomechanical model for high-load shape memory alloy actuators, enhancing their precision in industrial applications.
Plain English summary
Why this matters
Key findings
- Developed a comprehensive thermomechanical model for Ni45Ti50Cu5 SMA actuators.
- Introduced martensite fraction as a state variable to describe phase transformation hysteresis.
- Validated predictions with thermographic measurements.
- Identified key thermomechanical properties experimentally.
- Model applicable to various high-load actuator configurations.
What's new
The introduction of a state variable for martensite fraction and the coupling of thermal and mechanical models for high-load SMA actuators.
Limitations
The abstract does not specify the range of actuator configurations that can be applied or the extent of experimental validation.
Commercial context
The research addresses practical challenges in actuator design, indicating potential for industrial application, though further development is needed.
Publication
- Publisher
- Springer Science and Business Media LLC
- Publication date
- June 1, 2026
- Research type
- Paper
- License
- https://creativecommons.org/licenses/by/4.0
Tags
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