Abstract
A setup was developed for visualization of flaws in residual magnetic fields using thin-film matrix probes, whose principle of operation is based on the anisotropy effect of the magnetic resistance in ferromagnetic films. Although the flaw-detecting ability of this technique is the same as that of the magnetic-powder technique, the setup allows automation of the testing process and increases its effectiveness. The inspection is performed with a gap between the detectors and a surface of up to 2 mm. The fields of application are machine building, oil and gas industry, etc.
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