Magnetic Particle Inspection Technology of Primary Pump Casing Stud of Reactor Coolant

Based on the analysis of different magnetic particle inspection method and by considering the specifications, magnetic properties, stress condition of the primary pump casing stud and the feature of the defects of the defects to be detected, this article provides an optimized magnetic particle inspection technology for the primary pump casing stud. This technology had provided effective technical support for the inspection of the primary pump casing stud at Nuclear Power Station.