The significant strain dependence of the hysteretic Giant Magnetoimpedance (GMI) effect in a CoFeCrBSi amorphous alloy in a low magnetizing field is presented. A simplistic test stand capable of continuous measurements of GMI characteristics under the influence of strain is detailed. Based on the results, a stress-impedance (SI) sensor is proposed, with a gauge factor similar to semiconductor strain gauges but more robust. An effective method of minimizing external magnetic field influence on the SI effect is given.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6651656PMC
http://dx.doi.org/10.3390/ma12132110DOI Listing

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