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NONDESTRUCTIVE SENSOR USING HYBRID MAGNETIC

[Category : - Computers and computer accessories ]
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PURPOSE: A complex non-destructive inspecting device using a hybrid induced magnetic film sensor is provided to quantitively inspect the size of defects in a target and detect defects regardless of the material of a target and the position of a defective part. CONSTITUTION: A complex non-destructive inspecting device using a hybrid induced magnetic film sensor comprises a signal generator(11), an AC power applying unit(12), a signal detecting unit(10), a filtering and amplifying unit(13), a data collecting unit(14), and a signal receiving computer(15). The signal generator supplies frequency to apply magnetic field(4) to an exited coil(3), which is inserted into the hybrid induced magnetic film sensor. The AC power applying unit comprises a power supply unit. The power supply unit supplies appropriate frequency of AC power to the signal generator.


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Using a permanent magnet and at the same time induces a magnetic flux induced in the inspection sample by the alternating magnetic field is applied to the excitation coil magnetization of the inspection sample by detecting the change and flux leakage of the magnetic flux induced in the inspection sample by thin-film sensors in the sensor windings on the core part of the nose is, the size of the defects contained in the inspection sample can be examined quantitatively.







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