METHOD OF MEASURING RESIDUAL STRESSES IN ARTICLES MADE OF FERROMAGNETIC MATERIALS Russian patent published in 1995 - IPC

Abstract RU 2029262 C1

FIELD: non-destructive control. SUBSTANCE: normal component of magnetic field strength is measured along input and output edges and along concave surface of the turbine blade. Points which have maximal and minimal values are registered. Lines onto the surface of the blade are built according to point with zero values Hур

. Zones of concentrations of stresses are measured at blades of the turbines from the disposition of the lines taking into account maximal values Heр

at input and output edges. EFFECT: improved precision. 1 dwg

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RU 2 029 262 C1

Authors

Dubov Anatolij Aleksandrovich

Dubov Aleksandr Anatol'Evich

Dates

1995-02-20—Published

1991-10-29—Filed