Instrument for testing materials

Details Instrument for testing materials Instrument for testing materials

G - Physics

01

N

349/42, 324/55

G01N 29/04 (2006.01) G01N 27/90 (2006.01) G01N 29/24 (2006.01)

Patent

CA 1186735

INSTRUMENT FOR TESTING MATERIALS ABSTRACT OF THE DISCLOSURE An instrument for testing of test pieces made of paramagnetic or diamagnetic material as well as of ferromagnetic materials above their Curie point for material defects and/or dimensional accuracy, especially for testing of tubes and slabs above 1000°C. The instrument comprises an electrodynamic instrument transformer having magnetic pole shoes and eddy current exciting and receiving windings; and an electronic signal processing unit. The pole shoes are designed in such a manner as to develop a magnetic field parallel to the test piece, and the eddy current exciting and receiving windings are heat-insulated with respect to the test piece.

382873

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