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...To b navair a tm chapter eddy current inspection method section i et general capabilities of introduction this is used detect discontinuities in parts that are conductors electricity an circulating electrical induced conductor by alternating magnetic field instrument generates designed go through coil copper wire has been placed holder called probe results the producing when near currents within figure these encounter obstacle such as crack normal path and strength changed change detected processed then displayed on display reference type term means standard setup equipment only good s for flaw detection minimum three flaws varying sizes recommended represent closer standardization reliability probability pod data calibration standards also thickness measurements conductivity testing refers use directly traceable national institute technology nist government controlled definition time flow circular pattern but their paths oriented perpendicular direction note ferromagnetic properties s...