A sensor based on a paramagnetic substance (titanium nickelide) is developed. An element made of this material is capable of oscillating under constant mechanical loading with a cyclic temperature change relative to a certain critical point at which a phase transition of a substance from one modification to another takes place. Near this critical point, the system is essentially nonlinear and potentially capable of reacting to the effects of external factors that determine environmental conditions.
The results of analyzing the long-term variations in the strain rate of a TiNi element during martensitic transformation cycling have been reported. It is shown that the factors involved in the formation of the state of the environment lead to unstable operation of functional technical elements similar to those based on titanium nickelide.
The readings of a sensor based on a shape-memory metal and variations in atmospheric parameters were studied at the same time interval using a comparative analysis. The results obtained make it possible to identify a common external factor that simultaneously affects several dissimilar substances. The effect of the factor is the modulation of the electrical potential, including in the atmospheric environment.
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