METHOD FOR MEASURING STRESS/STRAIN USING BARKHAUSEN NOISES

摘要

The invention relates to a method for measuring stress/strain using Barkhausen noises. Said method is characterised in that an exciter element or a sensor element (1; 2, 3; 2,7) is arranged at least adjacently to a magnetic or magnetisable element (4; 5); the exciter element (1; 2) is subjected to an increasing magnetising current; and the Barkhausen noise occurring in the magnetic or magnetisable element (4; 5) according to the magnetising current is detected by the sensor element (1; 3; 7), the Barkhausen noise being a measure for the stress/strain state of the element (4; 5).