Analysis of the behavior of a Shape Memory Alloy beam under dynamical loading
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2024, Composite StructuresOn the nonlinear analysis of pre-strained shape memory alloy beams
2023, Journal of Sound and VibrationSMA-based adaptive tuned mass dampers: Analysis and comparison
2023, Mechanical Systems and Signal ProcessingCitation Excerpt :Therefore, in this paper, a configuration with a double cantilever beam is considered in order to have only a force, avoiding the torque (see Fig. 2b). Finally, it is noticed that the mathematical treatment used here always considers small amplitude vibrations (e.g., those obtained when random excitation is considered) and, thus, stress-induced phase transformations (e.g., [25]) are neglected here. Nevertheless, the models described in this paper can be considered as a starting point for more complicated ones accounting also for the case of large amplitude vibrations.
Seismic protection strategies for damage mitigation in structures
2022, Seismic Evaluation, Damage, and Mitigation in StructuresAssessment of small-scale deformation characteristics and stress-strain behavior of NiTi based shape memory alloy using nanoindentation
2020, Acta MaterialiaCitation Excerpt :By virtue of these exceptional characteristics, along with their superior mechanical properties and biocompatibility, SMAs are increasingly deployed in a wide variety of technologies starting from bio-medical to aerospace industries [7,8]. Interestingly, it is noted that NiTi based alloys are considered as potential candidates for miniaturized appliances including micro-actuators, MEMS-based microsystems as well as various biomedical devices such as stents or guide wires [2,9–14]. It is mention-worthy that the size-scale of the component does influence the mechanical performance of NiTi system as reported in various previous researches [15–19].
Thermomechanical responses of nonlinear torsional vibration with NiTi shape memory alloy – Alternative stable states and their jumps
2017, Journal of the Mechanics and Physics of SolidsCitation Excerpt :In sharp contrast, much less has been achieved on the experimental aspect. Some early experimental works (Collet et al., 2001; Feng and Li, 1996; Graesser, 1995; Lammering and Schmidt, 2001; Li and Feng, 1997; Schmidt and Lammering, 2004a, 2004b) have indentified the softening nonlinear features on the transmissibility curve. The resonance frequencies and peak responses strongly depend on the external excitations.