METHOD OF DETERMINING RESIDUAL VOLTAGES IN ARTICLES FROM FERROMAGNETIC MATERIALS Russian patent published in 1995 - IPC

FIELD: measurement technology. SUBSTANCE: method involves the steps of: measuring magnetic field strength H in the direction coinciding with a predetermined direction of residual voltages and recording lines with value H equal to zero along this line, measuring a gradient of H along length 1 on both sides from this line at distance 1, determining zone of concentration of maximum value of residual voltages on the basis of a gradient maximum value. EFFECT: enhanced accuracy. 4 dwg