Two-way behavior of a Nitinol torsion bar

Weiming Huang

doi:10.1117/12.352802

12 July 1999 Two-way behavior of a Nitinol torsion bar

Weiming Huang

Proceedings Volume 3675, Smart Structures and Materials 1999: Smart Materials Technologies; (1999) https://doi.org/10.1117/12.352802
Event: 1999 Symposium on Smart Structures and Materials, 1999, Newport Beach, CA, United States

Abstract

In this paper, the experimental study of a NiTi shape memory alloy bar with nominal diameter of 6.5 mm is presented. First, some torsion experiments, including torsion cycling at constant temperature and thermal cycling under constant torque, were carried out. In these test, the torque was applied in both positive and negative directions. Two-way memory behavior and some unique phenomena, such as kink and easy-training, were found and hence, a series of uniaxial tension test was performed in order to understand the observations. After presenting the experimental work, the reason behind these phenomena is discussed.

Citation Download Citation

Weiming Huang "Two-way behavior of a Nitinol torsion bar", Proc. SPIE 3675, Smart Structures and Materials 1999: Smart Materials Technologies, (12 July 1999); https://doi.org/10.1117/12.352802

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