Invention Grant
US08154279B1 Non-destructive testing apparatus for the detection of graphitization of iron 有权
用于铁的石墨化检测的无损检测装置

Non-destructive testing apparatus for the detection of graphitization of iron
Abstract:
A sensor measures the interaction of an applied magnetic field to an iron sample surface to determine whether the sample surface has been graphitized. The sensor measures the magnetic force resulting from the interaction or the magnetic flux density to determine the content of magnetic material in localized regions of the sample surface. The sensor includes a cantilever beam with a strain gauge for measuring magnetic force. Alternatively, the sensor includes a magnetic flux density sensor to measure magnetic flux density.
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