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Magnetic Flux Leakage Testing Method: Strong or Weak Magnetization?

There are different magnetic flux leakage instruments on the market designed for various applications. Up-to-date weak magnetization products, especially operating in a residual magnetic field, seem attractive because of their relatively low weight and small size, but their performance is quite poor and such products are inferior to strong magnetization instruments in this respect. This is very important for objects under test monitoring and to assess their lifetime prediction.

References

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