Elsevier

Ultrasonics

Volume 36, Issues 1–5, February 1998, Pages 171-178
Ultrasonics

Magnetostrictive sensor technology and its applications

https://doi.org/10.1016/S0041-624X(97)00043-7Get rights and content

Abstract

The magnetostrictive sensor (MsS) is a type of transducer which can generate and detect time-varying stresses or strains in ferromagnetic materials. In this paper, a general description is first given of the physical principles of the MsS. sensor configuration and instrumentation, and operating characteristics and capabilities. Then a description is given of its various scientific and engineering applications, including the study of wave dispersion in structures, global and long-range inspection of steel pipes and tubes, condition monitoring of machinery such as combustion engines, and onboard sensing of crash events for vehicle safety system operations.

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